21809324800

Names of 21809324800

• Cardinal: 21809324800 can be written as Twenty-one billion, eight hundred nine million, three hundred twenty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.18093248 × 10¹⁰

Factors of 21809324800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 166

Divisors of 21809324800

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 32 38 40 43 50 64 76 80 86 95 97 100 128 152 160 172 190 194 200 215 256 304 320 344 380 388 400 430 475 485 608 640 688 760 776 800 817 860 950 970 1075 1216 1280 1376 1520 1552 1600 1634 1720 1843 1849 1900 1940 2150 2425 2432 2752 3040 3104 3200 3268 3440 3686 3698 3800 3880 4085 4171 4300 4850 4864 5504 6080 6208 6400 6536 6880 7372 7396 7600 7760 8170 8342 8600 9215 9245 9700 11008 12160 12416 13072 13760 14744 14792 15200 15520 16340 16684 17200 18430 18490 19400 20425 20855 24320 24832 26144 27520 29488 29584 30400 31040 32680 33368 34400 35131 36860 36980 38800 40850 41710 46075 46225 52288 55040 58976 59168 60800 62080 65360 66736 68800 70262 73720 73960 77600 79249 81700 83420 92150 92450 104275 104576 117952 118336 121600 124160 130720 133472 137600 140524 147440 147920 155200 158498 163400 166840 175655 179353 184300 184900 208550 209152 235904 236672 261440 266944 275200 281048 294880 295840 310400 316996 326800 333680 351310 358706 368600 369800 396245 417100 471808 473344 522880 533888 562096 589760 591680 620800 633992 653600 667360 702620 717412 737200 739600 792490 834200 878275 896765 1045760 1067776 1124192 1179520 1183360 1267984 1307200 1334720 1405240 1434824 1474400 1479200 1584980 1668400 1756550 1793530 1981225 2248384 2359040 2366720 2535968 2614400 2669440 2810480 2869648 2948800 2958400 3169960 3336800 3407707 3513100 3587060 3962450 4483825 4496768 5071936 5228800 5338880 5620960 5739296 5897600 5916800 6339920 6673600 6815414 7026200 7174120 7924900 8967650 8993536 10143872 11241920 11478592 11795200 11833600 12679840 13347200 13630828 14052400 14348240 15849800 17038535 17935300 20287744 22483840 22957184 25359680 26694400 27261656 28104800 28696480 31699600 34077070 35870600 44967680 45914368 50719360 54523312 56209600 57392960 63399200 68154140 71741200 85192675 101438720 109046624 112419200 114785920 126798400 136308280 143482400 170385350 218093248 224838400 229571840 253596800 272616560 286964800 340770700 436186496 507193600 545233120 573929600 681541400 872372992 1090466240 1147859200 1363082800 2180932480 2726165600 4361864960 5452331200 10904662400 21809324800
• Sum of all divisors σ(n): 58774545480
• Sum of proper divisors (its aliquot sum) s(n): 36965220680
• 21809324800 is an abundant number, because the sum of its proper divisors (36965220680) is greater than itself. Its abundance is 15155895880

Bases of 21809324800

• Binary: 10100010011111011111110001100000000₂
• Hexadecimal: 0x513EFE300
• Base-36: A0OPIPS

Squares and roots of 21809324800

• 21809324800 squared (21809324800²) is 475646648231895040000
• 21809324800 cubed (21809324800³) is 10373532241320744646868992000000
• The square root of 21809324800 is 147679.8049836199
• The cube root of 21809324800 is 2793.9206878049

Scales and comparisons

• 21,809,324,800 seconds is equal to 693 years, 24 weeks, 2 days, 17 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,809,324,800 would take you about one thousand, three hundred eighty-six 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 21809324800 cubic inches would be around 232.8 feet tall.

Recreational maths with 21809324800

• 21809324800 backwards is 00842390812
• The number of decimal digits it has is: 11
• The sum of 21809324800's digits is 37
• More coming soon!