20315513830

Names of 20315513830

• Cardinal: 20315513830 can be written as Twenty billion, three hundred fifteen million, five hundred thirteen thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 2.031551383 × 10¹⁰

Factors of 20315513830

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1646

Divisors of 20315513830

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 19 23 38 43 46 73 86 95 115 146 190 215 230 365 430 437 730 817 874 989 1387 1481 1634 1679 1978 2185 2774 2962 3139 3358 4085 4370 4945 6278 6935 7405 8170 8395 9890 13870 14810 15695 16790 18791 28139 31390 31901 34063 37582 56278 59641 63683 63802 68126 72197 93955 108113 119282 127366 140695 144394 159505 170315 187910 216226 281390 298205 318415 319010 340630 360985 540565 596410 636830 647197 721970 1081130 1209977 1294394 1371743 1464709 2054147 2419954 2486599 2743486 2929418 3235985 4108294 4648859 4973198 6049885 6471970 6858715 7323545 9297718 10270735 12099770 12432995 13717430 14647090 20541470 23244295 24865990 27829471 46488590 47245381 55658942 88328321 94490762 106923757 139147355 176656642 213847514 236226905 278294710 441641605 472453810 534618785 883283210 1069237570 2031551383 4063102766 10157756915 20315513830
• Sum of all divisors σ(n): 41691386880
• Sum of proper divisors (its aliquot sum) s(n): 21375873050
• 20315513830 is an abundant number, because the sum of its proper divisors (21375873050) is greater than itself. Its abundance is 1060359220

Bases of 20315513830

• Binary: 10010111010111001100010001111100110₂
• Hexadecimal: 0x4BAE623E6
• Base-36: 9BZBYSM

Squares and roots of 20315513830

• 20315513830 squared (20315513830²) is 412720102176921268900
• 20315513830 cubed (20315513830³) is 8384620943694257145159098887000
• The square root of 20315513830 is 142532.5009603073
• The cube root of 20315513830 is 2728.6171454967

Scales and comparisons

• 20,315,513,830 seconds is equal to 645 years, 50 weeks, 3 days, 6 hours, 17 minutes, 10 seconds.
• To count from 1 to 20,315,513,830 would take you about one thousand, two hundred ninety-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 20315513830 cubic inches would be around 227.4 feet tall.

Recreational maths with 20315513830

• 20315513830 backwards is 03831551302
• The number of decimal digits it has is: 11
• The sum of 20315513830's digits is 31
• More coming soon!