138587165040

Names of 138587165040

• Cardinal: 138587165040 can be written as One hundred thirty-eight billion, five hundred eighty-seven million, one hundred sixty-five thousand and forty.

Scientific notation

• Scientific notation: 1.3858716504 × 10¹¹

Factors of 138587165040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2138

Divisors of 138587165040

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 83 87 116 120 127 145 166 174 232 240 249 254 290 332 348 381 415 435 464 498 508 580 635 664 696 762 830 870 996 1016 1160 1245 1270 1328 1392 1524 1660 1740 1889 1905 1992 2032 2320 2407 2490 2540 3048 3320 3480 3683 3778 3810 3984 4814 4980 5080 5667 6096 6640 6960 7221 7366 7556 7620 9445 9628 9960 10160 10541 11049 11334 12035 14442 14732 15112 15240 18415 18890 19256 19920 21082 22098 22668 24070 28335 28884 29464 30224 30480 31623 36105 36830 37780 38512 42164 44196 45336 48140 52705 54781 55245 56670 57768 58928 63246 72210 73660 75560 84328 88392 90672 96280 105410 109562 110490 113340 115536 126492 144420 147320 151120 156787 158115 164343 168656 176784 192560 210820 219124 220980 226680 239903 252984 273905 288840 294640 305689 313574 316230 328686 421640 438248 441960 453360 470361 479806 505968 547810 577680 611378 627148 632460 657372 719709 783935 821715 843280 876496 883920 917067 940722 959612 1095620 1199515 1222756 1254296 1264920 1314744 1439418 1528445 1567870 1643430 1834134 1881444 1919224 2191240 2351805 2399030 2445512 2508592 2529840 2629488 2878836 3056890 3135740 3286860 3598545 3668268 3762888 3838448 4382480 4546823 4585335 4703610 4798060 4891024 5757672 6113780 6271480 6573720 6957187 7197090 7336536 7525776 9093646 9170670 9407220 9596120 11515344 12227560 12542960 13147440 13640469 13914374 14394180 14673072 18187292 18341340 18814440 19192240 19911949 20871561 22734115 24455120 27280938 27828748 28788360 34785935 36374584 36682680 37628880 39823898 41743122 45468230 54561876 55657496 57576720 59735847 68202345 69571870 72749168 73365360 79647796 83486244 90936460 99559745 104357805 109123752 111314992 119471694 136404690 139143740 159295592 166972488 181872920 199119490 208715610 218247504 238943388 272809380 278287480 298679235 318591184 333944976 363745840 398238980 417431220 477886776 545618760 556574960 577446521 597358470 796477960 834862440 955773552 1091237520 1154893042 1194716940 1592955920 1669724880 1732339563 2309786084 2389433880 2887232605 3464679126 4619572168 4778867760 5774465210 6929358252 8661697815 9239144336 11548930420 13858716504 17323395630 23097860840 27717433008 34646791260 46195721680 69293582520 138587165040
• Sum of all divisors σ(n): 453570969600
• Sum of proper divisors (its aliquot sum) s(n): 314983804560
• 138587165040 is an abundant number, because the sum of its proper divisors (314983804560) is greater than itself. Its abundance is 176396639520

Bases of 138587165040

• Binary: 10000001000100011100000101000101110000₂
• Hexadecimal: 0x2044705170
• Base-36: 1RNZ7WXC

Squares and roots of 138587165040

• 138587165040 squared (138587165040²) is 19206402313824198201600
• 138587165040 cubed (138587165040³) is 2661760847290592029710810392064000
• The square root of 138587165040 is 372272.9711381153
• The cube root of 138587165040 is 5174.9680197795

Scales and comparisons

• 138,587,165,040 seconds is equal to 4,406 years, 33 weeks, 3 days, 2 hours, 44 minutes.
• To count from 1 to 138,587,165,040 would take you about eight thousand, eight hundred thirteen 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 138587165040 cubic inches would be around 431.2 feet tall.

Recreational maths with 138587165040

• 138587165040 backwards is 040561785831
• 138587165040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138587165040's digits is 48
• More coming soon!