21683248290

Names of 21683248290

• Cardinal: 21683248290 can be written as Twenty-one billion, six hundred eighty-three million, two hundred forty-eight thousand, two hundred ninety.

Scientific notation

• Scientific notation: 2.168324829 × 10¹⁰

Factors of 21683248290

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7743

Divisors of 21683248290

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1103 1485 2206 2970 3309 5515 6618 6619 9927 11030 12133 13238 16545 19854 19857 24266 29781 33090 33095 36399 39714 49635 59562 59571 60665 66190 72798 72809 99270 99285 109197 119142 121330 145618 148905 178713 181995 198570 218394 218427 297810 297855 327591 357426 363990 364045 436854 545985 595710 655182 655281 728090 893565 1091970 1092135 1310562 1637955 1787130 1965843 2184270 3275910 3276405 3931686 6552810 7300757 9829215 14601514 19658430 21902271 36503785 43804542 65706813 73007570 80308327 109511355 131413626 160616654 197120439 219022710 240924981 328534065 394240878 401541635 481849962 657068130 722774943 803083270 985602195 1204624905 1445549886 1971204390 2168324829 2409249810 3613874715 4336649658 7227749430 10841624145 21683248290
• Sum of all divisors σ(n): 63145267200
• Sum of proper divisors (its aliquot sum) s(n): 41462018910
• 21683248290 is an abundant number, because the sum of its proper divisors (41462018910) is greater than itself. Its abundance is 19778770620

Bases of 21683248290

• Binary: 10100001100011011000001110010100010₂
• Hexadecimal: 0x50C6C1CA2
• Base-36: 9YLN9GI

Squares and roots of 21683248290

• 21683248290 squared (21683248290²) is 470163256405787924100
• 21683248290 cubed (21683248290³) is 10194666625481632551343974789000
• The square root of 21683248290 is 147252.3286403309
• The cube root of 21683248290 is 2788.5265314771

Scales and comparisons

• 21,683,248,290 seconds is equal to 689 years, 23 weeks, 6 days, 12 hours, 31 minutes, 30 seconds.
• To count from 1 to 21,683,248,290 would take you about one thousand, three hundred seventy-eight 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 21683248290 cubic inches would be around 232.4 feet tall.

Recreational maths with 21683248290

• 21683248290 backwards is 09284238612
• 21683248290 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21683248290's digits is 45
• More coming soon!