138639900672

Names of 138639900672

• Cardinal: 138639900672 can be written as One hundred thirty-eight billion, six hundred thirty-nine million, nine hundred thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.38639900672 × 10¹¹

Factors of 138639900672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 66

Divisors of 138639900672

• Number of divisors d(n): 1020
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 41 42 48 49 52 54 56 63 64 72 78 81 82 84 91 96 98 104 108 112 117 123 126 128 144 147 156 162 164 168 182 189 192 196 208 216 224 234 246 252 256 273 287 288 294 312 324 328 336 351 364 369 378 384 392 416 432 441 448 468 492 504 512 533 546 567 574 576 588 624 637 648 656 672 702 728 738 756 768 784 819 832 861 864 882 896 936 984 1008 1024 1053 1066 1092 1107 1134 1148 1152 1176 1248 1274 1296 1312 1323 1344 1404 1456 1476 1512 1536 1568 1599 1638 1664 1722 1728 1764 1792 1872 1911 1968 2009 2016 2048 2106 2132 2184 2214 2268 2296 2304 2352 2457 2496 2548 2583 2592 2624 2646 2688 2808 2912 2952 3024 3072 3136 3198 3276 3321 3328 3444 3456 3528 3584 3731 3744 3822 3936 3969 4018 4032 4096 4212 4264 4368 4428 4536 4592 4608 4704 4797 4914 4992 5096 5166 5184 5248 5292 5376 5616 5733 5824 5904 6027 6048 6144 6272 6396 6552 6642 6656 6888 6912 7056 7168 7371 7462 7488 7644 7749 7872 7938 8036 8064 8192 8424 8528 8736 8856 9072 9184 9216 9408 9594 9828 9984 10192 10332 10368 10496 10584 10752 11193 11232 11466 11648 11808 12054 12096 12288 12544 12792 13104 13284 13312 13776 13824 14112 14336 14391 14742 14924 14976 15288 15498 15744 15876 16072 16128 16384 16848 17056 17199 17472 17712 18081 18144 18368 18432 18816 19188 19656 19968 20384 20664 20736 20992 21168 21504 22386 22464 22932 23247 23296 23616 24108 24192 24576 25088 25584 26117 26208 26568 26624 27552 27648 28224 28672 28782 29484 29848 29952 30576 30996 31488 31752 32144 32256 32768 33579 33696 34112 34398 34944 35424 36162 36288 36736 36864 37632 38376 39312 39936 40768 41328 41472 41984 42336 43008 43173 44772 44928 45864 46494 46592 47232 48216 48384 49152 50176 51168 51597 52234 52416 53136 53248 54243 55104 55296 56448 57344 57564 58968 59696 59904 61152 61992 62976 63504 64288 64512 65536 67158 67392 68224 68796 69888 70848 72324 72576 73472 73728 75264 76752 78351 78624 79872 81536 82656 82944 83968 84672 86016 86346 89544 89856 91728 92988 93184 94464 96432 96768 98304 100352 100737 102336 103194 104468 104832 106272 106496 108486 110208 110592 112896 114688 115128 117936 119392 119808 122304 123984 125952 127008 128576 129024 134316 134784 136448 137592 139776 141696 144648 145152 146944 147456 150528 153504 156702 157248 159744 162729 163072 165312 165888 167936 169344 172032 172692 179088 179712 183456 185976 186368 188928 192864 193536 196608 200704 201474 204672 206388 208936 209664 212544 212992 216972 220416 221184 225792 229376 230256 235053 235872 238784 239616 244608 247968 251904 254016 257152 258048 268632 269568 272896 275184 279552 283392 289296 290304 293888 294912 301056 302211 307008 313404 314496 319488 325458 326144 330624 331776 335872 338688 344064 345384 358176 359424 366912 371952 372736 377856 385728 387072 401408 402948 409344 412776 417872 419328 425088 425984 433944 440832 442368 451584 458752 460512 470106 471744 477568 479232 489216 495936 503808 508032 514304 516096 537264 539136 545792 550368 559104 566784 578592 580608 587776 589824 602112 604422 614016 626808 628992 638976 650916 652288 661248 663552 671744 677376 688128 690768 705159 716352 718848 733824 743904 745472 755712 771456 774144 802816 805896 818688 825552 835744 838656 850176 851968 867888 881664 884736 903168 921024 940212 943488 955136 958464 978432 991872 1007616 1016064 1028608 1032192 1074528 1078272 1091584 1100736 1118208 1133568 1157184 1161216 1175552 1204224 1208844 1228032 1253616 1257984 1277952 1301832 1304576 1322496 1327104 1343488 1354752 1376256 1381536 1410318 1432704 1437696 1467648 1487808 1490944 1511424 1542912 1548288 1605632 1611792 1637376 1651104 1671488 1677312 1700352 1735776 1763328 1769472 1806336 1842048 1880424 1886976 1910272 1916928 1956864 1983744 2015232 2032128 2057216 2064384 2115477 2149056 2156544 2183168 2201472 2236416 2267136 2314368 2322432 2351104 2408448 2417688 2456064 2507232 2515968 2555904 2603664 2609152 2644992 2654208 2686976 2709504 2763072 2820636 2865408 2875392 2935296 2975616 2981888 3022848 3085824 3096576 3211264 3223584 3274752 3302208 3342976 3354624 3400704 3471552 3526656 3612672 3684096 3760848 3773952 3820544 3833856 3913728 3967488 4030464 4064256 4114432 4128768 4230954 4298112 4313088 4366336 4402944 4472832 4534272 4628736 4644864 4702208 4816896 4835376 4912128 5014464 5031936 5207328 5218304 5289984 5308416 5419008 5526144 5641272 5730816 5750784 5870592 5951232 5963776 6045696 6171648 6193152 6447168 6549504 6604416 6685952 6709248 6801408 6943104 7053312 7225344 7368192 7521696 7547904 7641088 7667712 7827456 7934976 8060928 8128512 8228864 8461908 8596224 8626176 8732672 8805888 8945664 9068544 9257472 9289728 9404416 9633792 9670752 9824256 10028928 10063872 10414656 10436608 10579968 10838016 11052288 11282544 11461632 11501568 11741184 11902464 12091392 12343296 12386304 12894336 13099008 13208832 13371904 13418496 13602816 13886208 14106624 14450688 14736384 15043392 15095808 15282176 15654912 15869952 16257024 16457728 16923816 17192448 17252352 17465344 17611776 17891328 18137088 18514944 18579456 18808832 19341504 19648512 20057856 20127744 20829312 20873216 21159936 21676032 22104576 22565088 22923264 23003136 23482368 23804928 24182784 24686592 25788672 26198016 26417664 26743808 26836992 27205632 27772416 28213248 28901376 29472768 30086784 30191616 30564352 31309824 31739904 32514048 32915456 33847632 34384896 34504704 34930688 35223552 36274176 37029888 37158912 38683008 39297024 40115712 40255488 41658624 41746432 42319872 43352064 44209152 45130176 45846528 46964736 47609856 49373184 51577344 52396032 52835328 53487616 53673984 54411264 55544832 56426496 58945536 60173568 60383232 61128704 62619648 63479808 65028096 65830912 67695264 68769792 69009408 70447104 72548352 74059776 77366016 78594048 80231424 80510976 83317248 84639744 86704128 88418304 90260352 91693056 93929472 95219712 98746368 103154688 104792064 105670656 106975232 108822528 111089664 117891072 120347136 120766464 122257408 125239296 126959616 130056192 131661824 135390528 137539584 140894208 148119552 154732032 157188096 160462848 161021952 166634496 169279488 176836608 180520704 183386112 187858944 190439424 197492736 206309376 211341312 213950464 217645056 222179328 235782144 240694272 241532928 244514816 253919232 260112384 270781056 275079168 281788416 296239104 309464064 314376192 320925696 333268992 353673216 361041408 366772224 375717888 380878848 394985472 412618752 422682624 427900928 444358656 471564288 481388544 483065856 507838464 541562112 550158336 563576832 592478208 618928128 641851392 666537984 707346432 722082816 733544448 761757696 825237504 845365248 855801856 888717312 943128576 962777088 1083124224 1100316672 1127153664 1184956416 1237856256 1283702784 1333075968 1414692864 1444165632 1523515392 1650475008 1690730496 1711603712 1777434624 1925554176 2166248448 2200633344 2475712512 2567405568 2666151936 2829385728 2888331264 3300950016 3381460992 3554869248 3851108352 4332496896 4951425024 5134811136 5332303872 5776662528 6601900032 7702216704 8664993792 9902850048 10664607744 11553325056 15404433408 17329987584 19805700096 23106650112 34659975168 46213300224 69319950336 138639900672
• Sum of all divisors σ(n): 531550051956
• Sum of proper divisors (its aliquot sum) s(n): 392910151284
• 138639900672 is an abundant number, because the sum of its proper divisors (392910151284) is greater than itself. Its abundance is 254270250612

Bases of 138639900672

• Binary: 10000001000111100101010000000000000000₂
• Hexadecimal: 0x2047950000
• Base-36: 1ROUM800

Squares and roots of 138639900672

• 138639900672 squared (138639900672²) is 19221022058342026051584
• 138639900672 cubed (138639900672³) is 2664800588982859480794842108264448
• The square root of 138639900672 is 372343.7936531237
• The cube root of 138639900672 is 5175.6243350083

Scales and comparisons

• 138,639,900,672 seconds is equal to 4,408 years, 16 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,639,900,672 would take you about eight thousand, eight hundred sixteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138639900672 cubic inches would be around 431.3 feet tall.

Recreational maths with 138639900672

• 138639900672 backwards is 276009936831
• 138639900672 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138639900672's digits is 54
• More coming soon!