138958066688

Names of 138958066688

• Cardinal: 138958066688 can be written as One hundred thirty-eight billion, nine hundred fifty-eight million, sixty-six thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38958066688 × 10¹¹

Factors of 138958066688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 164

Divisors of 138958066688

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 37 49 56 58 64 74 89 98 112 116 128 148 178 196 203 224 232 256 259 296 356 392 406 448 464 512 518 592 623 712 784 812 841 896 928 1024 1036 1073 1184 1246 1421 1424 1568 1624 1682 1792 1813 1856 2072 2146 2368 2492 2581 2842 2848 3136 3248 3293 3364 3584 3626 3712 4144 4292 4361 4736 4984 5162 5684 5696 5887 6272 6496 6586 6728 7168 7252 7424 7511 8288 8584 8722 9472 9968 10324 11368 11392 11774 12544 12992 13172 13456 14504 14848 15022 16576 17168 17444 18067 18944 19936 20648 22736 22784 23051 23548 25088 25984 26344 26912 29008 29696 30044 31117 33152 34336 34888 36134 37888 39872 41209 41296 45472 45568 46102 47096 50176 51968 52577 52688 53824 58016 60088 62234 66304 68672 69776 72268 74849 79744 82418 82592 90944 91136 92204 94192 95497 103936 105154 105376 107648 116032 120176 124468 126469 132608 137344 139552 144536 149698 159488 161357 164836 165184 181888 184408 188384 190994 207872 210308 210752 215296 217819 232064 240352 248936 252938 265216 274688 279104 289072 299396 318976 322714 329672 330368 363776 368816 376768 381988 420616 421504 430592 435638 464128 480704 497872 505876 523943 549376 558208 578144 598792 637952 645428 659344 660736 668479 727552 737632 753536 763976 841232 843008 861184 871276 928256 961408 995744 1011752 1047886 1098752 1116416 1156288 1197584 1290856 1318688 1321472 1336958 1455104 1475264 1507072 1524733 1527952 1682464 1686016 1742552 1856512 1922816 1991488 2023504 2095772 2232832 2312576 2395168 2581712 2637376 2642944 2673916 2769413 2950528 3014144 3049466 3055904 3364928 3372032 3485104 3667601 3845632 3982976 4047008 4191544 4465664 4625152 4679353 4790336 5163424 5274752 5347832 5538826 5901056 6028288 6098932 6111808 6729856 6970208 7335202 7691264 7965952 8094016 8383088 9250304 9358706 9580672 10326848 10549504 10695664 11077652 11802112 12197864 12223616 13459712 13940416 14670404 15931904 16188032 16766176 18500608 18717412 19161344 19385891 20653696 21099008 21391328 22155304 23604224 24395728 24447232 26919424 27880832 29340808 31863808 32376064 33532352 37434824 38322688 38771782 41307392 42198016 42782656 44310608 48791456 48894464 53838848 55761664 58681616 64752128 67064704 74869648 76645376 77543564 82614784 85565312 88621216 97582912 97788928 111523328 117363232 129504256 134129408 135701237 149739296 155087128 165229568 171130624 177242432 195165824 223046656 234726464 268258816 271402474 299478592 310174256 342261248 354484864 390331648 469452928 536517632 542804948 598957184 620348512 684522496 708969728 780663296 938905856 1085609896 1197914368 1240697024 1417939456 1561326592 1877811712 2171219792 2395828736 2481394048 2835878912 3755623424 4342439584 4791657472 4962788096 8684879168 9925576192 17369758336 19851152384 34739516672 69479033344 138958066688
• Sum of all divisors σ(n): 347565738780
• Sum of proper divisors (its aliquot sum) s(n): 208607672092
• 138958066688 is an abundant number, because the sum of its proper divisors (208607672092) is greater than itself. Its abundance is 69649605404

Bases of 138958066688

• Binary: 10000001011010100010111101010000000000₂
• Hexadecimal: 0x205A8BD400
• Base-36: 1RU41MGW

Squares and roots of 138958066688

• 138958066688 squared (138958066688²) is 19309344297666655289344
• 138958066688 cubed (138958066688³) is 2683189152616715608490571487772672
• The square root of 138958066688 is 372770.7964527265
• The cube root of 138958066688 is 5179.5805065695

Scales and comparisons

• 138,958,066,688 seconds is equal to 4,418 years, 22 weeks, 4 days, 22 hours, 58 minutes, 8 seconds.
• To count from 1 to 138,958,066,688 would take you about eight thousand, eight hundred thirty-six 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 138958066688 cubic inches would be around 431.6 feet tall.

Recreational maths with 138958066688

• 138958066688 backwards is 886660859831
• The number of decimal digits it has is: 12
• The sum of 138958066688's digits is 68
• More coming soon!