61355129990

Names of 61355129990

• Cardinal: 61355129990 can be written as Sixty-one billion, three hundred fifty-five million, one hundred twenty-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.135512999 × 10¹⁰

Factors of 61355129990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 456

Divisors of 61355129990

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 121 154 242 245 343 385 431 490 539 605 686 770 847 862 1078 1210 1694 1715 2155 2401 2695 3017 3430 3773 4235 4310 4741 4802 5390 5929 6034 7546 8470 9482 11858 12005 15085 16807 18865 21119 23705 24010 26411 29645 30170 33187 33614 37730 41503 42238 47410 52151 52822 59290 66374 83006 84035 104302 105595 117649 132055 147833 165935 168070 184877 207515 211190 232309 235298 260755 264110 290521 295666 331870 365057 369754 415030 464618 521510 581042 588245 730114 739165 924385 1034831 1161545 1176490 1294139 1452605 1478330 1626163 1825285 1848770 2033647 2069662 2323090 2555399 2588278 2905210 3252326 3650570 4067294 5110798 5174155 6470695 7243817 8130815 10168235 10348310 11383141 12776995 12941390 14235529 14487634 16261630 17887793 20336470 22766282 25553990 28471058 35775586 36219085 50706719 56915705 71177645 72438170 79681987 89438965 101413438 113831410 125214551 142355290 159363974 178877930 250429102 253533595 398409935 507067190 557773909 626072755 796819870 876501857 1115547818 1252145510 1753003714 2788869545 4382509285 5577739090 6135512999 8765018570 12271025998 30677564995 61355129990
• Sum of all divisors σ(n): 141952287456
• Sum of proper divisors (its aliquot sum) s(n): 80597157466
• 61355129990 is an abundant number, because the sum of its proper divisors (80597157466) is greater than itself. Its abundance is 19242027476

Bases of 61355129990

• Binary: 111001001001000011001111110010000110₂
• Hexadecimal: 0xE490CFC86
• Base-36: S6P9DAE

Squares and roots of 61355129990

• 61355129990 squared (61355129990²) is 3764451976089797400100
• 61355129990 cubed (61355129990³) is 230968440334101891395899538999000
• The square root of 61355129990 is 247699.6770082675
• The cube root of 61355129990 is 3944.1215768029

Scales and comparisons

• 61,355,129,990 seconds is equal to 1,950 years, 46 weeks, 6 days, 19 hours, 39 minutes, 50 seconds.
• To count from 1 to 61,355,129,990 would take you about three thousand, nine hundred one 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 61355129990 cubic inches would be around 328.7 feet tall.

Recreational maths with 61355129990

• 61355129990 backwards is 09992155316
• The number of decimal digits it has is: 11
• The sum of 61355129990's digits is 50
• More coming soon!