138455896764640

Names of 138455896764640

• Cardinal: 138455896764640 can be written as One hundred thirty-eight trillion, four hundred fifty-five billion, eight hundred ninety-six million, seven hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3845589676464 × 10¹⁴

Factors of 138455896764640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 797418

Divisors of 138455896764640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 79 80 91 104 112 130 140 151 158 160 182 208 224 260 280 302 316 364 395 416 455 520 553 560 604 632 728 755 790 910 1027 1040 1057 1106 1120 1208 1264 1456 1510 1580 1820 1963 2054 2080 2114 2212 2416 2528 2765 2912 3020 3160 3640 3926 4108 4228 4424 4832 5135 5285 5530 6040 6320 7189 7280 7852 8216 8456 8848 9815 10270 10570 11060 11929 12080 12640 13741 14378 14560 15704 16432 16912 17696 19630 20540 21140 22120 23858 24160 27482 28756 31408 32864 33824 35945 39260 41080 42280 44240 47716 54964 57512 59645 62816 68705 71890 78520 82160 83503 84560 88480 95432 109928 115024 119290 137410 143780 155077 157040 164320 167006 169120 190864 219856 230048 238580 274820 287560 310154 314080 334012 381728 417515 439712 477160 549640 575120 620308 668024 775385 797161 835030 954320 1085539 1099280 1150240 1240616 1336048 1550770 1594322 1670060 1908640 2171078 2198560 2481232 2672096 3101540 3188644 3340120 3985805 4342156 4962464 5427695 5580127 6203080 6377288 6680240 7971610 8684312 10363093 10855390 11160254 12406160 12754576 13360480 15943220 17368624 20726186 21710780 22320508 24812320 25509152 27900635 31886440 34737248 41452372 43421560 44641016 51815465 55801270 62975719 63772880 72541651 82904744 86843120 89282032 103630930 111602540 120371311 125951438 127545760 145083302 165809488 173686240 178564064 207261860 223205080 240742622 251902876 290166604 314878595 331618976 362708255 414523720 440830033 446410160 481485244 503805752 580333208 601856555 629757190 725416510 818684347 829047440 842599177 881660066 892820320 962970488 1007611504 1160666416 1203713110 1259514380 1450833020 1564827043 1637368694 1658094880 1685198354 1763320132 1925940976 2015223008 2204150165 2321332832 2407426220 2519028760 2901666040 3129654086 3274737388 3370396708 3526640264 3851881952 4093421735 4212995885 4408300330 4814852440 5038057520 5730790429 5803332080 6259308172 6549474776 6740793416 7053280528 7824135215 8186843470 8425991770 8816600660 9509333569 9629704880 10076115040 10953789301 11461580858 11606664160 12518616344 13098949552 13481586832 14106561056 15648270430 16373686940 16851983540 17633201320 19018667138 19259409760 21907578602 22923161716 25037232688 26197899104 26963173664 28653952145 31296540860 32747373880 33703967080 35266402640 38037334276 43815157204 45846323432 47546667845 50074465376 54768946505 57307904290 62593081720 65494747760 66565334983 67407934160 70532805280 76074668552 87630314408 91692646864 95093335690 109537893010 114615808580 123621336397 125186163440 130989495520 133130669966 134815868320 152149337104 175260628816 183385293728 190186671380 219075786020 229231617160 247242672794 250372326880 266261339932 304298674208 332826674915 350521257632 380373342760 438151572040 458463234320 494485345588 532522679864 618106681985 665653349830 760746685520 865349354779 876303144080 916926468640 988970691176 1065045359728 1236213363970 1331306699660 1521493371040 1730698709558 1752606288160 1977941382352 2130090719456 2472426727940 2662613399320 3461397419116 3955882764704 4326746773895 4944853455880 5325226798640 6922794838232 8653493547790 9889706911760 10650453597280 13845589676464 17306987095580 19779413823520 27691179352928 34613974191160 69227948382320 138455896764640
• Sum of all divisors σ(n): 410383589253120
• Sum of proper divisors (its aliquot sum) s(n): 271927692488480
• 138455896764640 is an abundant number, because the sum of its proper divisors (271927692488480) is greater than itself. Its abundance is 133471795723840

Bases of 138455896764640

• Binary: 11111011110110011000110100010110011000011100000₂
• Hexadecimal: 0x7DECC68B30E0
• Base-36: 1D2TRE3WF4

Squares and roots of 138455896764640

• 138455896764640 squared (138455896764640²) is 19170035348900649219554329600
• 138455896764640 cubed (138455896764640³) is 2654204435241887831858487844687344185344000
• The square root of 138455896764640 is 11766728.3798275893
• The cube root of 138455896764640 is 51733.3361225015

Scales and comparisons

• 138,455,896,764,640 seconds is equal to 4,402,469 years, 12 weeks, 5 days, 3 hours, 30 minutes, 40 seconds.
• To count from 1 to 138,455,896,764,640 would take you about eleven million, six thousand, one hundred seventy-three 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 138455896764640 cubic inches would be around 4311.1 feet tall.

Recreational maths with 138455896764640

• 138455896764640 backwards is 046467698554831
• The number of decimal digits it has is: 15
• The sum of 138455896764640's digits is 76
• More coming soon!