138642866544

Names of 138642866544

• Cardinal: 138642866544 can be written as One hundred thirty-eight billion, six hundred forty-two million, eight hundred sixty-six thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.38642866544 × 10¹¹

Factors of 138642866544

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 478

Divisors of 138642866544

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 19 21 24 26 28 38 39 42 48 49 52 56 57 76 78 84 91 98 103 104 112 114 133 147 152 156 168 182 196 206 208 228 247 266 273 294 304 309 312 331 336 343 364 392 399 412 456 494 532 546 588 618 624 637 662 686 721 728 741 784 798 824 912 931 988 993 1029 1064 1092 1176 1236 1274 1324 1339 1372 1442 1456 1482 1596 1648 1729 1862 1911 1957 1976 1986 2058 2128 2163 2184 2317 2352 2472 2548 2648 2678 2744 2793 2884 2964 3192 3458 3724 3822 3914 3952 3972 4017 4116 4303 4326 4368 4459 4634 4944 5047 5096 5187 5296 5356 5488 5586 5768 5871 5928 6289 6384 6517 6916 6951 7448 7644 7828 7944 8034 8232 8606 8652 8918 9268 9373 10094 10192 10374 10712 11172 11536 11742 11856 12103 12578 12909 13034 13377 13699 13832 13902 14896 15141 15288 15656 15888 16068 16219 16464 17212 17304 17836 18536 18746 18867 19551 20188 20748 21424 22344 23484 24206 25156 25441 25818 26068 26754 27398 27664 27804 28119 30121 30282 30576 31312 32136 32438 34093 34424 34608 35329 35672 36309 37072 37492 37734 39102 40376 41097 41496 44023 44688 46968 48412 48657 50312 50882 51636 52136 53508 54796 55608 56238 60242 60564 64272 64876 65611 68186 68848 70658 71344 72618 74984 75468 76323 78204 80752 81757 82194 82992 84721 88046 90363 93936 95893 96824 97314 100624 101764 102279 103272 104272 105987 107016 109592 111216 112476 113533 120484 121128 129752 131222 132069 136372 141316 145236 149968 150936 152646 156408 163514 164388 169442 176092 178087 180726 191786 193648 194628 196833 203528 204558 206544 210847 211974 214032 219184 224952 227066 238651 240968 242256 245271 254163 259504 262444 264138 272744 282632 287679 290472 301872 305292 308161 312816 327028 328776 338884 340599 352184 356174 361452 383572 389256 393666 407056 409116 421694 423948 443209 449904 454132 459277 477302 481936 490542 508326 524888 528276 534261 545488 565264 572299 575358 580944 610584 616322 632541 647767 654056 657552 671251 677768 681198 704368 712348 715953 722904 767144 778512 787332 818232 843388 847896 886418 908264 918554 924483 954604 981084 1016652 1049776 1056552 1068522 1144598 1150716 1221168 1232644 1246609 1265082 1295534 1308112 1329627 1342502 1355536 1362396 1377831 1424696 1431906 1445808 1475929 1534288 1574664 1636464 1670557 1686776 1695792 1716897 1772836 1816528 1837108 1848966 1909208 1943301 1962168 2013753 2033304 2113104 2137044 2157127 2289196 2301432 2465288 2493218 2530164 2591068 2659254 2685004 2724792 2755662 2849392 2863812 2951858 3102463 3149328 3341114 3373552 3433794 3545672 3674216 3697932 3739827 3818416 3886602 3924336 4006093 4027506 4066608 4274088 4314254 4427787 4534369 4578392 4602864 4930576 4986436 5011671 5060328 5182136 5318508 5370008 5449584 5511324 5727624 5903716 6204926 6471381 6682228 6867588 7091344 7348432 7395864 7479654 7773204 8012186 8055012 8420971 8548176 8628508 8726263 8855574 9068738 9156784 9307389 9972872 10023342 10120656 10364272 10637016 10740016 11022648 11455248 11693899 11807432 12018279 12409852 12942762 13364456 13603107 13735176 14791728 14959308 15546408 16024372 16110024 16841942 17257016 17452526 17711148 18137476 18614778 19945744 20046684 21274032 21717241 22045296 23387798 23614864 24036558 24819704 25262913 25885524 26178789 26728912 27206214 27470352 28042651 29918616 31092816 31740583 32048744 32220048 33683884 34514032 34905052 35081697 35422296 36274952 37229556 40093368 43434482 46775596 48073116 49639408 50525826 51771048 52357578 54412428 56085302 58946797 59837232 63481166 64097488 65151723 67367768 69810104 70163394 70844592 72549904 74459112 80186736 84127953 86868964 93551192 95221749 96146232 101051652 103542096 104715156 108824856 112170604 117893594 126962332 130303446 134735536 139620208 140326788 148918224 152020687 168255906 173737928 176840391 187102384 190443498 192292464 202103304 209430312 217649712 222184081 224341208 235787188 253924664 260606892 280653576 304041374 336511812 347475856 353680782 380886996 404206608 412627579 418860624 444368162 448682416 456062061 471574376 507849328 521213784 561307152 608082748 666552243 673023624 707361564 761773992 825255158 888736324 912124122 943148752 1042427568 1216165496 1237882737 1333104486 1346047248 1414723128 1523547984 1650510316 1777472648 1824248244 2432330992 2475765474 2666208972 2829446256 2888393053 3301020632 3554945296 3648496488 4951530948 5332417944 5776786106 6602041264 7296992976 8665179159 9903061896 10664835888 11553572212 17330358318 19806123792 23107144424 34660716636 46214288848 69321433272 138642866544
• Sum of all divisors σ(n): 479524864000
• Sum of proper divisors (its aliquot sum) s(n): 340881997456
• 138642866544 is an abundant number, because the sum of its proper divisors (340881997456) is greater than itself. Its abundance is 202239130912

Bases of 138642866544

• Binary: 10000001000111110000100100000101110000₂
• Hexadecimal: 0x2047C24170
• Base-36: 1ROWDSHC

Squares and roots of 138642866544

• 138642866544 squared (138642866544²) is 19221844443537394503936
• 138642866544 cubed (138642866544³) is 2664971613914882929482677930717184
• The square root of 138642866544 is 372347.7763381971
• The cube root of 138642866544 is 5175.6612414827

Scales and comparisons

• 138,642,866,544 seconds is equal to 4,408 years, 21 weeks, 3 days, 19 hours, 22 minutes, 24 seconds.
• To count from 1 to 138,642,866,544 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 138642866544 cubic inches would be around 431.3 feet tall.

Recreational maths with 138642866544

• 138642866544 backwards is 445668246831
• 138642866544 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138642866544's digits is 57
• More coming soon!