21153370800

Names of 21153370800

• Cardinal: 21153370800 can be written as Twenty-one billion, one hundred fifty-three million, three hundred seventy thousand, eight hundred.

Scientific notation

• Scientific notation: 2.11533708 × 10¹⁰

Factors of 21153370800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8121

Divisors of 21153370800

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 31 40 48 50 60 62 71 75 80 93 100 120 124 142 150 155 186 200 213 240 248 284 300 310 355 372 400 426 465 496 568 600 620 710 744 775 852 930 1065 1136 1200 1240 1420 1488 1550 1704 1775 1860 2130 2201 2325 2480 2840 3100 3408 3550 3720 4260 4402 4650 5325 5680 6200 6603 7100 7440 8009 8520 8804 9300 10650 11005 12400 13206 14200 16018 17040 17608 18600 21300 22010 24027 26412 28400 32036 33015 35216 37200 40045 42600 44020 48054 52824 55025 64072 66030 80090 85200 88040 96108 105648 110050 120135 128144 132060 160180 165075 176080 192216 200225 220100 240270 248279 264120 320360 330150 384432 400450 440200 480540 496558 528240 568639 600675 640720 660300 744837 800900 880400 961080 993116 1137278 1201350 1241395 1320600 1489674 1601800 1705917 1922160 1986232 2274556 2402700 2482790 2641200 2843195 2979348 3203600 3411834 3724185 3972464 4549112 4805400 4965580 5686390 5958696 6206975 6823668 7448370 8529585 9098224 9610800 9931160 11372780 11917392 12413950 13647336 14215975 14896740 17059170 17627809 18620925 19862320 22745560 24827900 27294672 28431950 29793480 34118340 35255618 37241850 42647925 45491120 49655800 52883427 56863900 59586960 68236680 70511236 74483700 85295850 88139045 99311600 105766854 113727800 136473360 141022472 148967400 170591700 176278090 211533708 227455600 264417135 282044944 297934800 341183400 352556180 423067416 440695225 528834270 682366800 705112360 846134832 881390450 1057668540 1322085675 1410224720 1762780900 2115337080 2644171350 3525561800 4230674160 5288342700 7051123600 10576685400 21153370800
• Sum of all divisors σ(n): 70941173760
• Sum of proper divisors (its aliquot sum) s(n): 49787802960
• 21153370800 is an abundant number, because the sum of its proper divisors (49787802960) is greater than itself. Its abundance is 28634432160

Bases of 21153370800

• Binary: 10011101100110101101101001010110000₂
• Hexadecimal: 0x4ECD6D2B0
• Base-36: 9PU65DC

Squares and roots of 21153370800

• 21153370800 squared (21153370800²) is 447465096202292640000
• 21153370800 cubed (21153370800³) is 9465395100024768024030912000000
• The square root of 21153370800 is 145441.9843098959
• The cube root of 21153370800 is 2765.6243740813

Scales and comparisons

• 21,153,370,800 seconds is equal to 672 years, 31 weeks, 5 days, 16 hours, 20 minutes.
• To count from 1 to 21,153,370,800 would take you about one thousand, three hundred forty-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 21153370800 cubic inches would be around 230.5 feet tall.

Recreational maths with 21153370800

• 21153370800 backwards is 00807335112
• 21153370800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21153370800's digits is 30
• More coming soon!