138457665801

Names of 138457665801

• Cardinal: 138457665801 can be written as One hundred thirty-eight billion, four hundred fifty-seven million, six hundred sixty-five thousand, eight hundred one.

Scientific notation

• Scientific notation: 1.38457665801 × 10¹¹

Factors of 138457665801

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 99

Divisors of 138457665801

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 7 9 13 21 29 39 47 49 63 87 91 117 141 147 169 203 261 273 329 377 423 441 507 609 611 637 819 841 987 1131 1183 1363 1421 1521 1827 1833 1911 2209 2303 2523 2639 2961 3393 3549 4089 4263 4277 4901 5499 5733 5887 6627 6909 7569 7917 7943 8281 9541 10647 10933 12267 12789 12831 14703 15463 17661 17719 18473 19881 20727 23751 23829 24843 28623 28717 29939 32799 34307 38493 39527 41209 44109 46389 52983 53157 55419 55601 64061 66787 71487 74529 76531 85869 86151 89817 98397 102921 108241 118581 123627 124033 139167 142129 159471 166257 166803 192183 200361 201019 229593 230347 240149 258453 269451 276689 308763 324723 355743 370881 372099 373321 389207 426387 448427 500409 513851 535717 576549 601083 603057 688779 691041 720447 830067 832793 868231 974169 994903 1116297 1119963 1167621 1279161 1345281 1407133 1541553 1607151 1612429 1809171 1857769 1936823 2073123 2161341 2490201 2498379 2604693 2613247 2984709 3138989 3359889 3502863 3596957 4035843 4221399 4624659 4821453 4837287 5573307 5810469 5829551 6680063 6964321 7495137 7814079 7839741 8954127 9416967 10790871 10826309 11287003 12664197 13004383 14511861 16719921 17431407 17488653 18292729 20040189 20892963 23519223 24150997 25178699 28250901 32372613 32478927 33861009 39013149 40806857 46760441 52465959 54878187 60120567 62678889 72452991 75536097 75784163 91030681 97436781 101583027 117039447 122420571 140281323 164634561 169056979 217358973 226608291 227352489 273092043 313962961 327323087 367261713 420843969 507170937 530489141 682057467 819276129 941888883 981969261 1183398853 1521512811 1591467423 2197740727 2825666649 2945907783 3550196559 4774402269 6593222181 10650589677 15384185089 19779666543 46152555267 138457665801
• Sum of all divisors σ(n): 266574750741
• Sum of proper divisors (its aliquot sum) s(n): 128117084940
• 138457665801 is a deficient number, because the sum of its proper divisors (128117084940) is less than itself. Its deficiency is 10340580861

Bases of 138457665801

• Binary: 10000000111100101110000101000100001001₂
• Hexadecimal: 0x203CB85109
• Base-36: 1RLU4AO9

Squares and roots of 138457665801

• 138457665801 squared (138457665801²) is 19170525219061404971601
• 138457665801 cubed (138457665801³) is 2654306174010446324455451153917401
• 138457665801 is a perfect square number. Its square root is 372099
• The cube root of 138457665801 is 5173.3556452017

Scales and comparisons

• 138,457,665,801 seconds is equal to 4,402 years, 27 weeks, 2 days, 6 hours, 43 minutes, 21 seconds.
• To count from 1 to 138,457,665,801 would take you about eight thousand, eight hundred five 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 138457665801 cubic inches would be around 431.1 feet tall.

Recreational maths with 138457665801

• 138457665801 backwards is 108566754831
• The number of decimal digits it has is: 12
• The sum of 138457665801's digits is 54
• More coming soon!