21013844800

Names of 21013844800

• Cardinal: 21013844800 can be written as Twenty-one billion, thirteen million, eight hundred forty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10138448 × 10¹⁰

Factors of 21013844800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 662

Divisors of 21013844800

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 41 50 52 64 65 80 82 100 104 130 160 164 200 205 208 260 320 325 328 400 410 416 520 533 601 650 656 800 820 832 1025 1040 1066 1202 1300 1312 1600 1640 1681 2050 2080 2132 2404 2600 2624 2665 3005 3280 3362 4100 4160 4264 4808 5200 5330 6010 6560 6724 7813 8200 8405 8528 9616 10400 10660 12020 13120 13325 13448 15025 15626 16400 16810 17056 19232 20800 21320 21853 24040 24641 26650 26896 30050 31252 32800 33620 34112 38464 39065 42025 42640 43706 48080 49282 53300 53792 60100 62504 65600 67240 78130 84050 85280 87412 96160 98564 106600 107584 109265 120200 123205 125008 134480 156260 168100 170560 174824 192320 195325 197128 213200 218530 240400 246410 250016 268960 312520 320333 336200 349648 390650 394256 426400 437060 480800 492820 500032 537920 546325 616025 625040 640666 672400 699296 781300 788512 852800 874120 961600 985640 1010281 1092650 1232050 1250080 1281332 1344800 1398592 1562600 1577024 1601665 1748240 1971280 2020562 2185300 2464100 2500160 2562664 2689600 3125200 3203330 3496480 3942560 4041124 4370600 4928200 5051405 5125328 6250400 6406660 6992960 7885120 8008325 8082248 8741200 9856400 10102810 10250656 12500800 12813320 13133653 16016650 16164496 17482400 19712800 20205620 20501312 25257025 25626640 26267306 32033300 32328992 34964800 39425600 40411240 50514050 51253280 52534612 64066600 64657984 65668265 80822480 101028100 102506560 105069224 128133200 131336530 161644960 202056200 210138448 256266400 262673060 323289920 328341325 404112400 420276896 512532800 525346120 656682650 808224800 840553792 1050692240 1313365300 1616449600 2101384480 2626730600 4202768960 5253461200 10506922400 21013844800
• Sum of all divisors σ(n): 57170925028
• Sum of proper divisors (its aliquot sum) s(n): 36157080228
• 21013844800 is an abundant number, because the sum of its proper divisors (36157080228) is greater than itself. Its abundance is 15143235428

Bases of 21013844800

• Binary: 10011100100100001011101001101000000₂
• Hexadecimal: 0x4E485D340
• Base-36: 9NJ3MF4

Squares and roots of 21013844800

• 21013844800 squared (21013844800²) is 441581673278487040000
• 21013844800 cubed (21013844800³) is 9279328748798433837371392000000
• The square root of 21013844800 is 144961.5286895111
• The cube root of 21013844800 is 2759.5303408643

Scales and comparisons

• 21,013,844,800 seconds is equal to 668 years, 9 weeks, 19 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,013,844,800 would take you about one thousand, three hundred thirty-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 21013844800 cubic inches would be around 230 feet tall.

Recreational maths with 21013844800

• 21013844800 backwards is 00844831012
• The number of decimal digits it has is: 11
• The sum of 21013844800's digits is 31
• More coming soon!