21820324160

Names of 21820324160

• Cardinal: 21820324160 can be written as Twenty-one billion, eight hundred twenty million, three hundred twenty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.182032416 × 10¹⁰

Factors of 21820324160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 679

Divisors of 21820324160

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 64 67 68 80 85 131 134 136 160 170 262 268 272 320 335 340 457 524 536 544 655 670 680 914 1048 1072 1088 1139 1310 1340 1360 1828 2096 2144 2227 2278 2285 2620 2680 2720 3656 4192 4288 4454 4556 4570 5240 5360 5440 5695 7312 7769 8384 8777 8908 9112 9140 10480 10720 11135 11390 14624 15538 17554 17816 18224 18280 20960 21440 22270 22780 29248 30619 31076 35108 35632 36448 36560 38845 41920 43885 44540 45560 59867 61238 62152 70216 71264 72896 73120 77690 87770 89080 91120 119734 122476 124304 140432 142528 146240 149209 153095 155380 175540 178160 182240 239468 244952 248608 280864 298418 299335 306190 310760 351080 356320 364480 478936 489904 497216 520523 561728 596836 598670 612380 621520 702160 712640 746045 957872 979808 1017739 1041046 1193672 1197340 1224760 1243040 1404320 1492090 1915744 1959616 2035478 2082092 2387344 2394680 2449520 2486080 2602615 2808640 2984180 3831488 4011089 4070956 4164184 4774688 4789360 4899040 5088695 5205230 5968360 8022178 8141912 8328368 9549376 9578720 9798080 10177390 10410460 11936720 16044356 16283824 16656736 19157440 20055445 20354780 20820920 23873440 32088712 32567648 33313472 40110890 40709560 41641840 47746880 64177424 65135296 68188513 80221780 81419120 83283680 128354848 136377026 160443560 162838240 166567360 256709696 272754052 320887120 325676480 340942565 545508104 641774240 681885130 1091016208 1283548480 1363770260 2182032416 2727540520 4364064832 5455081040 10910162080 21820324160
• Sum of all divisors σ(n): 56386585728
• Sum of proper divisors (its aliquot sum) s(n): 34566261568
• 21820324160 is an abundant number, because the sum of its proper divisors (34566261568) is greater than itself. Its abundance is 12745937408

Bases of 21820324160

• Binary: 10100010100100101111011100101000000₂
• Hexadecimal: 0x51497B940
• Base-36: A0V99VK

Squares and roots of 21820324160

• 21820324160 squared (21820324160²) is 476126546447479705600
• 21820324160 cubed (21820324160³) is 10389235584665303591213367296000
• The square root of 21820324160 is 147717.0408585279
• The cube root of 21820324160 is 2794.3903061115

Scales and comparisons

• 21,820,324,160 seconds is equal to 693 years, 42 weeks, 4 days, 1 hour, 9 minutes, 20 seconds.
• To count from 1 to 21,820,324,160 would take you about one thousand, three hundred eighty-seven 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 21820324160 cubic inches would be around 232.9 feet tall.

Recreational maths with 21820324160

• 21820324160 backwards is 06142302812
• The number of decimal digits it has is: 11
• The sum of 21820324160's digits is 29
• More coming soon!