21097498800

Names of 21097498800

• Cardinal: 21097498800 can be written as Twenty-one billion, ninety-seven million, four hundred ninety-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10974988 × 10¹⁰

Factors of 21097498800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 616

Divisors of 21097498800

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 49 50 56 60 70 75 80 84 98 100 105 112 120 140 147 150 168 175 196 200 210 240 245 280 294 300 336 350 392 400 420 490 525 560 588 599 600 700 735 784 840 980 1050 1176 1198 1200 1225 1400 1470 1680 1797 1960 2100 2352 2396 2450 2800 2940 2995 3594 3675 3920 4193 4200 4792 4900 5880 5990 7188 7350 8386 8400 8985 9584 9800 11760 11980 12579 14376 14700 14975 16772 17970 19600 20965 23960 25158 28752 29351 29400 29950 33544 35940 41930 44925 47920 50316 58702 58800 59900 62895 67088 71880 83860 88053 89850 100632 104825 117404 119800 125790 143760 146755 167720 176106 179700 201264 209650 234808 239600 251580 293510 314475 335440 352212 358801 359400 419300 440265 469616 503160 587020 628950 704424 717602 718800 733775 838600 880530 1006320 1076403 1174040 1257900 1408848 1435204 1467550 1677200 1761060 1794005 2152806 2201325 2348080 2511607 2515800 2870408 2935100 3522120 3588010 4305612 4402650 5023214 5031600 5382015 5740816 5870200 7044240 7176020 7534821 8611224 8805300 8970025 10046428 10764030 11740400 12558035 14352040 15069642 17222448 17581249 17610600 17940050 20092856 21528060 25116070 26910075 28704080 30139284 35162498 35221200 35880100 37674105 40185712 43056120 50232140 52743747 53820150 60278568 62790175 70324996 71760200 75348210 86112240 87906245 100464280 105487494 107640300 120557136 125580350 140649992 143520400 150696420 175812490 188370525 200928560 210974988 215280600 251160700 263718735 281299984 301392840 351624980 376741050 421949976 430561200 439531225 502321400 527437470 602785680 703249960 753482100 843899952 879062450 1004642800 1054874940 1318593675 1406499920 1506964200 1758124900 2109749880 2637187350 3013928400 3516249800 4219499760 5274374700 7032499600 10548749400 21097498800
• Sum of all divisors σ(n): 78747634308
• Sum of proper divisors (its aliquot sum) s(n): 57650135508
• 21097498800 is an abundant number, because the sum of its proper divisors (57650135508) is greater than itself. Its abundance is 36552636708

Bases of 21097498800

• Binary: 10011101001100000100100100010110000₂
• Hexadecimal: 0x4E98248B0
• Base-36: 9OWWM9C

Squares and roots of 21097498800

• 21097498800 squared (21097498800²) is 445104455616001440000
• 21097498800 cubed (21097498800³) is 9390590718233243641198272000000
• The square root of 21097498800 is 145249.7807227261
• The cube root of 21097498800 is 2763.1872966229

Scales and comparisons

• 21,097,498,800 seconds is equal to 670 years, 43 weeks, 3 days, 20 minutes.
• To count from 1 to 21,097,498,800 would take you about one thousand, three hundred forty-one 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 21097498800 cubic inches would be around 230.3 feet tall.

Recreational maths with 21097498800

• 21097498800 backwards is 00889479012
• 21097498800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21097498800's digits is 48
• More coming soon!