21228921700

Names of 21228921700

• Cardinal: 21228921700 can be written as Twenty-one billion, two hundred twenty-eight million, nine hundred twenty-one thousand, seven hundred.

Scientific notation

• Scientific notation: 2.12289217 × 10¹⁰

Factors of 21228921700

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 774

Divisors of 21228921700

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 25 28 34 35 49 50 68 70 85 98 100 119 140 170 175 196 238 245 340 343 350 425 476 490 595 686 700 743 833 850 980 1190 1225 1372 1486 1666 1700 1715 2380 2401 2450 2972 2975 3332 3430 3715 4165 4802 4900 5201 5831 5950 6860 7430 8330 8575 9604 10402 11662 11900 12005 12631 14860 16660 16807 17150 18575 20804 20825 23324 24010 25262 26005 29155 33614 34300 36407 37150 40817 41650 48020 50524 52010 58310 60025 63155 67228 72814 74300 81634 83300 84035 88417 104020 116620 120050 126310 130025 145628 145775 163268 168070 176834 182035 204085 240100 252620 254849 260050 285719 291550 315775 336140 353668 364070 408170 420175 442085 509698 520100 571438 583100 618919 631550 728140 816340 840350 884170 910175 1019396 1020425 1142876 1237838 1263100 1274245 1428595 1680700 1768340 1783943 1820350 2040850 2210425 2475676 2548490 2857190 3094595 3567886 3640700 4081700 4332433 4420850 5096980 5714380 6189190 6371225 7135772 7142975 8664866 8841700 8919715 12378380 12487601 12742450 14285950 15472975 17329732 17839430 21662165 24975202 25484900 28571900 30327031 30945950 35678860 43324330 44598575 49950404 60654062 61891900 62438005 86648660 89197150 108310825 121308124 124876010 151635155 178394300 212289217 216621650 249752020 303270310 312190025 424578434 433243300 606540620 624380050 758175775 849156868 1061446085 1248760100 1516351550 2122892170 3032703100 4245784340 5307230425 10614460850 21228921700
• Sum of all divisors σ(n): 56982102912
• Sum of proper divisors (its aliquot sum) s(n): 35753181212
• 21228921700 is an abundant number, because the sum of its proper divisors (35753181212) is greater than itself. Its abundance is 14524259512

Bases of 21228921700

• Binary: 10011110001010101111010001101100100₂
• Hexadecimal: 0x4F157A364
• Base-36: 9R35GTG

Squares and roots of 21228921700

• 21228921700 squared (21228921700²) is 450667116544730890000
• 21228921700 cubed (21228921700³) is 9567176929892866611381313000000
• The square root of 21228921700 is 145701.4814612397
• The cube root of 21228921700 is 2768.9130091017

Scales and comparisons

• 21,228,921,700 seconds is equal to 675 years, 5 days, 2 hours, 41 minutes, 40 seconds.
• To count from 1 to 21,228,921,700 would take you about one thousand, three hundred fifty 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 21228921700 cubic inches would be around 230.7 feet tall.

Recreational maths with 21228921700

• 21228921700 backwards is 00712982212
• 21228921700 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21228921700's digits is 34
• More coming soon!