138620912850

Names of 138620912850

• Cardinal: 138620912850 can be written as One hundred thirty-eight billion, six hundred twenty million, nine hundred twelve thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 1.3862091285 × 10¹¹

Factors of 138620912850

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13422

Divisors of 138620912850

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 30 31 35 42 45 50 62 63 70 75 90 93 105 107 126 150 155 175 186 210 214 217 225 279 310 315 321 350 434 450 465 525 535 558 630 642 651 749 775 930 963 1050 1070 1085 1302 1395 1498 1550 1575 1605 1926 1953 2170 2247 2325 2675 2790 3150 3210 3255 3317 3745 3906 4494 4650 4815 5350 5425 6510 6634 6741 6975 7490 8025 9630 9765 9951 10850 11235 13267 13482 13950 16050 16275 16585 18725 19530 19902 22470 23219 24075 26534 29853 32550 33170 33705 37450 39801 46438 48150 48825 49755 56175 59706 66335 67410 69657 79602 82925 92869 97650 99510 112350 116095 119403 132670 139314 149265 165850 168525 185738 199005 208971 232190 238806 248775 278607 298530 331675 337050 348285 398010 411277 417942 464345 497550 557214 580475 597015 663350 696570 746325 822554 835821 928690 995025 1044855 1160950 1194030 1233831 1393035 1419569 1492650 1671642 1741425 1990050 2056385 2089710 2321725 2467662 2786070 2839138 2878939 2985075 3482850 3701493 4112770 4179105 4258707 4643450 5224275 5757878 5970150 6169155 6965175 7097845 7402986 8358210 8517414 8636817 9936983 10281925 10448550 12338310 12776121 13930350 14195690 14394695 17273634 18507465 19873966 20563850 20895525 21293535 25552242 25910451 28789390 29810949 30845775 35489225 37014930 41791050 42587070 43184085 44006639 49684915 51820902 59621898 61691550 63880605 70978450 71973475 86368170 88013278 89432847 92537325 99369830 106467675 127761210 129552255 132019917 143946950 149054745 178865694 185074650 212935350 215920425 220033195 248424575 259104510 264039834 298109490 308046473 319403025 396059751 431840850 440066390 447164235 496849150 616092946 638806050 647761275 660099585 745273725 792119502 894328470 924139419 1100165975 1295522550 1320199170 1490547450 1540232365 1848278838 1980298755 2200331950 2235821175 2772418257 3080464730 3300497925 3960597510 4471642350 4620697095 5544836514 6600995850 7701161825 9241394190 9901493775 13862091285 15402323650 19802987550 23103485475 27724182570 46206970950 69310456425 138620912850
• Sum of all divisors σ(n): 443501899776
• Sum of proper divisors (its aliquot sum) s(n): 304880986926
• 138620912850 is an abundant number, because the sum of its proper divisors (304880986926) is greater than itself. Its abundance is 166260074076

Bases of 138620912850

• Binary: 10000001000110011100110100010011010010₂
• Hexadecimal: 0x20467344D2
• Base-36: 1ROJB8WI

Squares and roots of 138620912850

• 138620912850 squared (138620912850²) is 19215757479367295122500
• 138620912850 cubed (138620912850³) is 2663705842894109490316302574125000
• The square root of 138620912850 is 372318.2950782837
• The cube root of 138620912850 is 5175.3880434359

Scales and comparisons

• 138,620,912,850 seconds is equal to 4,407 years, 37 weeks, 1 day, 17 hours, 7 minutes, 30 seconds.
• To count from 1 to 138,620,912,850 would take you about eight thousand, eight hundred fifteen 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 138620912850 cubic inches would be around 431.3 feet tall.

Recreational maths with 138620912850

• 138620912850 backwards is 058219026831
• 138620912850 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138620912850's digits is 45
• More coming soon!