20640947376

Names of 20640947376

• Cardinal: 20640947376 can be written as Twenty billion, six hundred forty million, nine hundred forty-seven thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.0640947376 × 10¹⁰

Factors of 20640947376

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 963

Divisors of 20640947376

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 43 48 49 56 84 86 98 112 129 147 168 172 196 258 294 301 336 344 392 409 499 516 588 602 688 784 818 903 998 1032 1176 1204 1227 1497 1636 1806 1996 2064 2107 2352 2408 2454 2863 2994 3272 3493 3612 3992 4214 4816 4908 5726 5988 6321 6544 6986 7224 7984 8428 8589 9816 10479 11452 11976 12642 13972 14448 16856 17178 17587 19632 20041 20958 21457 22904 23952 24451 25284 27944 33712 34356 35174 40082 41916 42914 45808 48902 50568 52761 55888 60123 64371 68712 70348 73353 80164 83832 85828 97804 101136 105522 120246 123109 128742 137424 140696 146706 150199 160328 167664 171656 195608 204091 211044 240492 246218 257484 281392 293412 300398 320656 343312 369327 391216 408182 422088 450597 480984 492436 514968 586824 600796 612273 738654 816364 844176 861763 901194 961968 984872 1029936 1051393 1173648 1201592 1224546 1428637 1477308 1632728 1723526 1802388 1969744 2102786 2403184 2449092 2585289 2857274 2954616 3154179 3265456 3447052 3604776 4205572 4285911 4898184 5170578 5714548 5909232 6308358 6894104 7209552 8411144 8571822 8775913 9796368 10000459 10341156 11429096 12616716 13788208 16822288 17143644 17551826 20000918 20682312 22858192 25233432 26327739 30001377 34287288 35103652 40001836 41364624 50466864 52655478 60002754 61431391 68574576 70207304 80003672 105310956 120005508 122862782 140414608 160007344 184294173 210621912 240011016 245725564 368588346 421243824 430019737 480022032 491451128 737176692 860039474 982902256 1290059211 1474353384 1720078948 2580118422 2948706768 3440157896 5160236844 6880315792 10320473688 20640947376
• Sum of all divisors σ(n): 63753360000
• Sum of proper divisors (its aliquot sum) s(n): 43112412624
• 20640947376 is an abundant number, because the sum of its proper divisors (43112412624) is greater than itself. Its abundance is 22471465248

Bases of 20640947376

• Binary: 10011001110010010111101110010110000₂
• Hexadecimal: 0x4CE4BDCB0
• Base-36: 9HD34XC

Squares and roots of 20640947376

• 20640947376 squared (20640947376²) is 426048708578801285376
• 20640947376 cubed (20640947376³) is 8794048973387797080607174373376
• The square root of 20640947376 is 143669.5770718353
• The cube root of 20640947376 is 2743.1099084457

Scales and comparisons

• 20,640,947,376 seconds is equal to 656 years, 16 weeks, 3 days, 20 hours, 29 minutes, 36 seconds.
• To count from 1 to 20,640,947,376 would take you about one thousand, three hundred twelve 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 20640947376 cubic inches would be around 228.6 feet tall.

Recreational maths with 20640947376

• 20640947376 backwards is 67374904602
• 20640947376 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20640947376's digits is 48
• More coming soon!