21004471800

Names of 21004471800

• Cardinal: 21004471800 can be written as Twenty-one billion, four million, four hundred seventy-one thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10044718 × 10¹⁰

Factors of 21004471800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 570

Divisors of 21004471800

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 25 26 27 30 36 39 40 45 50 52 54 60 65 72 75 78 90 100 104 108 117 120 130 135 150 156 180 195 200 216 225 234 260 270 300 312 325 351 360 390 450 468 520 540 547 585 600 650 675 702 780 900 936 975 1080 1094 1170 1300 1350 1404 1560 1641 1755 1800 1950 2188 2340 2600 2700 2735 2808 2925 3282 3510 3900 4376 4680 4923 5400 5470 5850 6564 7020 7111 7800 8205 8775 9846 10940 11700 13128 13675 14040 14222 14769 16410 17550 19692 21333 21880 23400 24615 27350 28444 29538 32820 35100 35555 39384 41025 42666 49230 54700 56888 59076 63999 65640 70200 71110 73845 82050 85332 98460 106665 109400 118152 123075 127998 142220 147690 164100 170664 177775 191997 196920 213330 246150 255996 284440 295380 299209 319995 328200 355550 369225 383994 426660 492300 511992 533325 590760 598418 639990 711100 738450 767988 853320 897627 959985 984600 1066650 1196836 1279980 1422200 1476900 1496045 1535976 1599975 1795254 1919970 2133300 2393672 2559960 2692881 2953800 2992090 3199950 3590508 3839940 3889717 4266600 4488135 4799925 5385762 5984180 6399900 7181016 7480225 7679880 7779434 8078643 8976270 9599850 10771524 11669151 11968360 12799800 13464405 14960450 15558868 16157286 17952540 19199700 19448585 21543048 22440675 23338302 26928810 29920900 31117736 32314572 35007453 35905080 38399400 38897170 40393215 44881350 46676604 53857620 58345755 59841800 64629144 67322025 70014906 77794340 80786430 89762700 93353208 97242925 105022359 107715240 116691510 134644050 140029812 155588680 161572860 175037265 179525400 194485850 201966075 210044718 233383020 269288100 280059624 291728775 323145720 350074530 388971700 403932150 420089436 466766040 525111795 538576200 583457550 700149060 777943400 807864300 840178872 875186325 1050223590 1166915100 1400298120 1615728600 1750372650 2100447180 2333830200 2625558975 3500745300 4200894360 5251117950 7001490600 10502235900 21004471800
• Sum of all divisors σ(n): 78056722800
• Sum of proper divisors (its aliquot sum) s(n): 57052251000
• 21004471800 is an abundant number, because the sum of its proper divisors (57052251000) is greater than itself. Its abundance is 36047779200

Bases of 21004471800

• Binary: 10011100011111101101100110111111000₂
• Hexadecimal: 0x4E3F6CDF8
• Base-36: 9NDIQ60

Squares and roots of 21004471800

• 21004471800 squared (21004471800²) is 441187835596995240000
• 21004471800 cubed (21004471800³) is 9266917451300122683314232000000
• The square root of 21004471800 is 144929.1958164399
• The cube root of 21004471800 is 2759.1199935481

Scales and comparisons

• 21,004,471,800 seconds is equal to 667 years, 45 weeks, 4 days, 7 hours, 30 minutes.
• To count from 1 to 21,004,471,800 would take you about one thousand, three hundred thirty-five 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 21004471800 cubic inches would be around 229.9 feet tall.

Recreational maths with 21004471800

• 21004471800 backwards is 00817440012
• 21004471800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21004471800's digits is 27
• More coming soon!