138660807996820

Names of 138660807996820

• Cardinal: 138660807996820 can be written as One hundred thirty-eight trillion, six hundred sixty billion, eight hundred seven million, nine hundred ninety-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.3866080799682 × 10¹⁴

Factors of 138660807996820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 205

Divisors of 138660807996820

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 10 17 20 31 34 62 67 68 83 85 124 134 155 166 170 268 289 310 332 335 340 415 527 578 620 670 830 961 1054 1139 1156 1340 1411 1445 1660 1922 2077 2108 2278 2573 2635 2822 2890 3844 4154 4489 4556 4805 5146 5270 5561 5644 5695 5780 7055 8308 8959 8978 9610 10292 10385 10540 11122 11390 12865 14110 16337 17918 17956 19220 19363 20770 22244 22445 22780 23987 25730 27805 28220 32674 35309 35836 38726 41540 43741 44795 44890 47974 51460 55610 64387 65348 70618 76313 77452 79763 81685 87482 89590 89780 94537 95948 96815 111220 119935 128774 139159 141236 152626 159526 163370 172391 174964 176545 179180 189074 193630 218705 239870 257548 277729 278318 300763 305252 319052 321935 326740 344782 353090 372587 378148 381565 387260 398815 437410 472685 479740 555458 556636 600253 601526 643870 689564 695795 706180 743597 745174 763130 797630 861955 874820 945370 1094579 1110916 1200506 1203052 1287740 1297321 1355971 1388645 1391590 1487194 1490348 1503815 1526260 1595260 1607129 1723910 1862935 1890740 2189158 2365703 2401012 2594642 2711942 2777290 2783180 2930647 2974388 3001265 3007630 3214258 3447820 3717985 3725870 4313929 4378316 4731406 5112971 5189284 5344121 5423884 5472895 5554580 5861294 6002530 6015260 6333979 6428516 6486605 6779855 7435970 7451740 8035645 8627858 9323653 9462812 10225942 10688242 10945790 11550197 11722588 11828515 12005060 12667958 12973210 13559710 14653235 14871940 16071290 17255716 18607843 18647306 20451884 21376484 21569645 21891580 23051507 23100394 23657030 24963329 25335916 25564855 25946420 26720605 27119420 29306470 31669895 32142580 37215686 37294612 40216951 43139290 46103014 46200788 46618265 47314060 49820999 49926658 51129710 53441210 57750985 58612940 63339790 73336793 74431372 80433902 86278580 86920507 90850057 92206028 93039215 93236530 99641998 99853316 102259420 106882420 107677643 115257535 115501970 124816645 126679580 146673586 158502101 160867804 173841014 181700114 186078430 186473060 196353349 199283996 201084755 215355286 230515070 231003940 249104995 249633290 289033243 293347172 317004202 347682028 358056107 363400228 366683965 372156860 392706698 402169510 424376593 430710572 434602535 454250285 461030140 498209990 499266580 538388215 578066486 634008404 716112214 733367930 773863199 785413396 792510505 804339020 848753186 869205070 908500570 981766745 996419980 1076776430 1156132972 1246725481 1432224428 1445166215 1466735860 1544450969 1547726398 1585021010 1697506372 1738410140 1790280535 1817001140 1963533490 2121882965 2153552860 2493450962 2694535717 2890332430 3088901938 3095452796 3170042020 3338006933 3580561070 3869315995 3927066980 4243765930 4913565131 4986901924 5389071434 5780664860 6086953819 6177803876 6233627405 6676013866 7161122140 7214402081 7722254845 7738631990 8487531860 9827130262 10778142868 12173907638 12467254810 13155674383 13352027732 13472678585 14428804162 15444509690 15477263980 16690034665 19654260524 23989759169 24347815276 24567825655 24934509620 26311348766 26945357170 28857608324 30434769095 30889019380 33380069330 36072010405 47979518338 49135651310 52622697532 53890714340 60869538190 65778371915 66760138660 72144020810 83530607227 95959036676 98271302620 103478214923 119948795845 121739076380 131556743830 144288041620 167061214454 206956429846 223646464511 239897591690 263113487660 334122428908 407825905873 413912859692 417653036135 447292929022 479795183380 517391074615 815651811746 835306072270 894585858044 1034782149230 1118232322555 1631303623492 1670612144540 2039129529365 2069564298460 2236464645110 4078259058730 4472929290220 6933040399841 8156518117460 13866080799682 27732161599364 34665201999205 69330403998410 138660807996820
• Sum of all divisors σ(n): 328376034624960
• Sum of proper divisors (its aliquot sum) s(n): 189715226628140
• 138660807996820 is an abundant number, because the sum of its proper divisors (189715226628140) is greater than itself. Its abundance is 51054418631320

Bases of 138660807996820

• Binary: 11111100001110001111100001101000111010110010100₂
• Hexadecimal: 0x7E1C7C347594
• Base-36: 1D5FW8YR2S

Squares and roots of 138660807996820

• 138660807996820 squared (138660807996820²) is 19226819674330981261130112400
• 138660807996820 cubed (138660807996820³) is 2666006351251889434536787858104425442568000
• The square root of 138660807996820 is 11775432.3910767709
• The cube root of 138660807996820 is 51758.8448863819

Scales and comparisons

• 138,660,807,996,820 seconds is equal to 4,408,984 years, 40 weeks, 6 days, 22 hours, 13 minutes, 40 seconds.
• To count from 1 to 138,660,807,996,820 would take you about eleven million, twenty-two thousand, four hundred sixty-one 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 138660807996820 cubic inches would be around 4313.2 feet tall.

Recreational maths with 138660807996820

• 138660807996820 backwards is 028699708066831
• The number of decimal digits it has is: 15
• The sum of 138660807996820's digits is 73
• More coming soon!