138791087355921

Names of 138791087355921

• Cardinal: 138791087355921 can be written as One hundred thirty-eight trillion, seven hundred ninety-one billion, eighty-seven million, three hundred fifty-five thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.38791087355921 × 10¹⁴

Factors of 138791087355921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1324

Divisors of 138791087355921

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 7 11 13 21 31 33 39 49 77 91 93 121 143 147 169 217 231 273 341 343 363 403 429 507 539 637 651 847 1001 1023 1029 1183 1209 1259 1519 1573 1617 1859 1911 2197 2387 2541 2821 3003 3549 3751 3773 3777 4433 4459 4557 4719 5239 5577 5929 6591 7007 7161 8281 8463 8813 10633 11011 11253 11319 13013 13299 13377 13849 15379 15717 16367 16709 17787 19747 20449 21021 24167 24843 26257 26439 28561 31031 31899 33033 36673 39029 39039 41503 41547 46137 48763 49049 49101 50127 57629 57967 59241 61347 61691 68107 72501 77077 78771 85683 91091 93093 96943 107653 110019 114569 116963 117087 124509 138229 143143 146289 147147 152339 169169 172887 173901 180037 183799 185073 199927 204321 212771 217217 231231 256711 265837 273203 273273 290829 314171 322959 341341 343707 350889 403403 414687 429319 429429 431837 457017 476749 507377 507507 539539 540111 551397 599781 633919 637637 638313 651651 678601 749177 753571 770133 797511 801983 819609 885391 942513 1002001 1024023 1066373 1184183 1210209 1260259 1286593 1287957 1295511 1399489 1430247 1489397 1520519 1522131 1618617 1796977 1860859 1901757 1912421 1912911 1980407 2035803 2199197 2247531 2260713 2340481 2389387 2405949 2656173 2766023 2823821 3005233 3006003 3199119 3337243 3455881 3551639 3552549 3780777 3859779 4198467 4437433 4468191 4561557 4722509 4750207 5244239 5390931 5581147 5582577 5613881 5737263 5941221 6197737 6595901 6597591 7014007 7021443 7168161 7464611 8240947 8289281 8298069 8471463 8821813 9015699 9739301 9796423 10011729 10367643 10425779 10654917 13026013 13312299 13386947 13862849 14167527 14250621 15394379 15732717 16383367 16725709 16743441 16841643 18593211 19362161 19766747 19787703 21036631 21042021 22393833 23360701 24191167 24722841 24861473 24867843 25745291 26465439 29217903 29389269 30426253 31062031 31277337 33057563 35958299 36709673 39068029 39078039 40160841 41588547 43384159 46171307 46183137 49150101 50177127 52252277 57686629 58086483 59300241 61392617 61752691 63109893 68175107 70082103 72554911 72573501 72980453 74584419 77235873 85746713 91182091 91278759 93186093 97039943 99172689 107132311 107760653 107874897 110129019 114683569 117204087 130152477 135535127 138513921 147256417 156756831 169338169 173059887 174030311 180217037 184177851 185258073 204525321 212983771 217434217 217664733 218941359 231402941 251708093 256967711 257240139 273476203 273546273 291119829 303689113 321396933 323199149 323281959 334688783 344050707 395541289 403806403 406605381 429748319 441769251 477225749 507884377 508014507 522090933 540651111 600226991 638951313 652302651 679279601 694208823 749926177 755124279 770903133 798104021 802784983 820428609 911067339 943213843 948745889 969597447 1004066349 1114707269 1185367183 1186623867 1211419209 1261519259 1289244957 1431677247 1490886397 1523653131 1619820587 1761956651 1800680973 1914333421 2037838803 2249778531 2262394043 2342821481 2394312063 2408354949 2768789023 2826644821 2829641529 2846237667 3008238233 3340580243 3344121807 3555190639 3556101549 3784557777 4201588937 4350954179 4472659191 4859461761 5249483239 5285869953 5586728147 5743000263 6602496901 6787182129 7028464443 7802950883 8306367069 8479934463 8830634813 9024714699 10021740729 10375352273 10436204779 10665571917 12261779959 12333696557 12604766811 13052862537 15748449717 16399750367 16760184441 19381523161 19807490703 21057667631 23408852649 24886334473 26491904439 29411122559 30456679253 31126056819 31308614337 36746382673 36785339877 37001089671 39107097029 46217478307 49199251101 54620656181 58144569483 63173002893 72627465911 74659003419 85832459713 88233367677 91370037759 110239148019 114798252569 117321291087 134879579549 135670662127 138652434921 163861968543 213196754771 217882397733 257497379139 273749679203 323522348149 344394757707 382344593267 404638738647 407011986381 508392261377 600827217991 639590264313 821249037609 944157056843 970567044447 1147033779801 1492377283397 1525176784131 1802481653973 2832471170529 3558745829639 4205790525937 4477131850191 6609099397901 10676237488917 12617371577811 19827298193703 46263695785307 138791087355921
• Sum of all divisors σ(n): 265476750336000
• Sum of proper divisors (its aliquot sum) s(n): 126685662980079
• 138791087355921 is a deficient number, because the sum of its proper divisors (126685662980079) is less than itself. Its deficiency is 12105424375842

Bases of 138791087355921

• Binary: 11111100011101011010001011101011011100000010001₂
• Hexadecimal: 0x7E3AD175B811
• Base-36: 1D73QTXJWX

Squares and roots of 138791087355921

• 138791087355921 squared (138791087355921²) is 19262965929438894078933758241
• 138791087355921 cubed (138791087355921³) is 2673527987046883505864900726731780133894961
• The square root of 138791087355921 is 11780962.9214220431
• The cube root of 138791087355921 is 51775.0498941259

Scales and comparisons

• 138,791,087,355,921 seconds is equal to 4,413,127 years, 13 weeks, 6 days, 21 hours, 5 minutes, 21 seconds.
• To count from 1 to 138,791,087,355,921 would take you about eleven million, thirty-two thousand, eight hundred eighteen 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 138791087355921 cubic inches would be around 4314.6 feet tall.

Recreational maths with 138791087355921

• 138791087355921 backwards is 129553780197831
• The number of decimal digits it has is: 15
• The sum of 138791087355921's digits is 69
• More coming soon!