138536492640

Names of 138536492640

• Cardinal: 138536492640 can be written as One hundred thirty-eight billion, five hundred thirty-six million, four hundred ninety-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3853649264 × 10¹¹

Factors of 138536492640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 413

Divisors of 138536492640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 49 52 56 60 65 70 78 80 84 91 96 98 104 105 112 120 130 140 147 156 160 168 169 182 195 196 208 210 224 240 245 260 273 280 294 312 336 338 343 364 383 390 392 416 420 455 480 490 507 520 546 560 588 624 637 672 676 686 728 735 766 780 784 840 845 910 980 1014 1029 1040 1092 1120 1149 1176 1183 1248 1274 1352 1365 1372 1456 1470 1532 1560 1568 1680 1690 1715 1820 1911 1915 1960 2028 2058 2080 2184 2197 2298 2352 2366 2535 2548 2681 2704 2730 2744 2912 2940 3064 3120 3185 3360 3380 3430 3549 3640 3822 3830 3920 4056 4116 4368 4394 4459 4596 4704 4732 4979 5070 5096 5145 5362 5408 5460 5488 5745 5880 5915 6128 6240 6370 6591 6760 6860 7098 7280 7644 7660 7840 8043 8112 8232 8281 8736 8788 8918 9192 9464 9555 9958 10140 10192 10290 10724 10920 10976 10985 11490 11760 11830 12256 12740 13182 13377 13405 13520 13720 14196 14560 14937 15288 15320 15379 16086 16224 16464 16562 17576 17745 17836 18384 18767 18928 19110 19916 20280 20384 20580 21448 21840 21970 22295 22980 23520 23660 24843 24895 25480 26364 26754 26810 27040 27440 28392 29874 30576 30640 30758 32172 32928 32955 33124 34853 35152 35490 35672 36768 37534 37856 38220 39832 40215 40560 41160 41405 42896 43680 43940 44590 45960 46137 47320 49686 49790 50960 52728 53508 53620 54880 56301 56784 57967 59748 61152 61280 61516 64344 64727 65910 66248 66885 69706 70304 70980 71344 74685 75068 76440 76895 79664 80430 81120 82320 82810 85792 87880 89180 91920 92274 93835 94640 99372 99580 101920 104559 105456 107016 107240 107653 112602 113568 115934 119496 123032 124215 128688 129454 131369 131820 132496 133770 139412 141960 142688 149370 150136 152880 153790 159328 160860 164640 165620 173901 174265 175760 178360 183840 184548 187670 189280 194181 198744 199160 209118 210912 214032 214480 215306 225204 230685 231868 238992 243971 246064 248430 257376 258908 262738 263640 264992 267540 278824 281505 283920 289835 298740 300272 305760 307580 321720 322959 323635 331240 347802 348530 351520 356720 369096 375340 388362 394107 397488 398320 418236 428064 428960 430612 450408 453089 461370 463736 477984 487942 492128 496860 517816 522795 525476 527280 535080 538265 557648 563010 567840 579670 597480 600544 615160 643440 645918 647270 656845 662480 695604 697060 713440 731913 738192 750680 753571 776724 788214 794976 796640 836472 841451 861224 869505 900816 906178 922740 927472 970905 975884 993720 1035632 1045590 1050952 1054560 1070160 1076530 1115296 1126020 1159340 1194960 1219855 1230320 1286880 1291836 1294540 1313690 1324960 1359267 1391208 1394120 1463826 1476384 1501360 1507142 1553448 1576428 1614795 1672944 1682902 1707797 1722448 1739010 1801632 1812356 1845480 1854944 1941810 1951768 1970535 1987440 2071264 2091180 2101904 2140320 2153060 2252040 2260713 2265445 2318680 2389920 2439710 2460640 2524353 2583672 2589080 2627380 2718534 2782416 2788240 2927652 3002720 3014284 3106896 3152856 3171623 3229590 3345888 3365804 3415594 3444896 3478020 3624712 3659565 3690960 3767855 3883620 3903536 3941070 3974880 4182360 4203808 4207255 4306120 4504080 4521426 4530890 4637360 4879420 5048706 5123391 5167344 5178160 5254760 5437068 5564832 5576480 5855304 5890157 6028568 6213792 6305712 6343246 6459180 6731608 6796335 6831188 6956040 7249424 7319130 7381920 7535710 7767240 7807072 7882140 8364720 8414510 8538985 8612240 9008160 9042852 9061780 9274720 9514869 9758840 10097412 10246782 10334688 10356320 10509520 10874136 11303565 11710608 11780314 12057136 12611424 12621765 12686492 12918360 13463216 13592670 13662376 13912080 14498848 14638260 15071420 15534480 15764280 15858115 16729440 16829020 17077970 17224480 17670471 18085704 18123560 19029738 19517680 20194824 20493564 21019040 21748272 22201361 22607130 23421216 23560628 24114272 25243530 25372984 25616955 25836720 26926432 27185340 27324752 27824160 29276520 29450785 30142840 31068960 31528560 31716230 33658040 34155940 35340942 36171408 36247120 38059476 39035360 40389648 40987128 41231099 43496544 44402722 45214260 47121256 47574345 50487060 50745968 51233910 51673440 54370680 54649504 58553040 58901570 60285680 63057120 63432460 66604083 67316080 68311880 70681884 72342816 72494240 76118952 80779296 81974256 82462198 88352355 88805444 90428520 94242512 95148690 100974120 101491936 102467820 108741360 111006805 117106080 117803140 120571360 123693297 126864920 133208166 134632160 136623760 141363768 152237904 163948512 164924396 176704710 177610888 180857040 188485024 190297380 201948240 204935640 206155495 217482720 222013610 235606280 247386594 253729840 266416332 273247520 282727536 288617693 304475808 329848792 333020415 353409420 355221776 361714080 380594760 403896480 409871280 412310990 444027220 471212560 494773188 507459680 532832664 565455072 577235386 618466485 659697584 666040830 706818840 710443552 761189520 819742560 824621980 865853079 888054440 942425120 989546376 1065665328 1154470772 1236932970 1319395168 1332081660 1413637680 1443088465 1522379040 1649243960 1731706158 1776108880 1979092752 2131330656 2308941544 2473865940 2664163320 2827275360 2886176930 3298487920 3463412316 3552217760 3958185504 4329265395 4617883088 4947731880 5328326640 5772353860 6596975840 6926824632 8658530790 9235766176 9895463760 10656653280 11544707720 13853649264 17317061580 19790927520 23089415440 27707298528 34634123160 46178830880 69268246320 138536492640
• Sum of all divisors σ(n): 552738816000
• Sum of proper divisors (its aliquot sum) s(n): 414202323360
• 138536492640 is an abundant number, because the sum of its proper divisors (414202323360) is greater than itself. Its abundance is 275665830720

Bases of 138536492640

• Binary: 10000001000001011010110001111001100000₂
• Hexadecimal: 0x20416B1E60
• Base-36: 1RN51TUO

Squares and roots of 138536492640

• 138536492640 squared (138536492640²) is 19192359792992774169600
• 138536492640 cubed (138536492640³) is 2658842211206175382319972511744000
• The square root of 138536492640 is 372204.9067919443
• The cube root of 138536492640 is 5174.3372253961

Scales and comparisons

• 138,536,492,640 seconds is equal to 4,405 years, 1 week, 4 days, 15 hours, 4 minutes.
• To count from 1 to 138,536,492,640 would take you about eight thousand, eight hundred ten 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 138536492640 cubic inches would be around 431.2 feet tall.

Recreational maths with 138536492640

• 138536492640 backwards is 046294635831
• The number of decimal digits it has is: 12
• The sum of 138536492640's digits is 51
• More coming soon!