21153733020

Names of 21153733020

• Cardinal: 21153733020 can be written as Twenty-one billion, one hundred fifty-three million, seven hundred thirty-three thousand and twenty.

Scientific notation

• Scientific notation: 2.115373302 × 10¹⁰

Factors of 21153733020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 852

Divisors of 21153733020

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 167 180 210 229 252 315 334 420 439 458 501 630 668 687 835 878 916 1002 1145 1169 1260 1317 1374 1503 1603 1670 1756 2004 2061 2195 2290 2338 2505 2634 2748 3006 3073 3206 3340 3435 3507 3951 4122 4390 4580 4676 4809 5010 5268 5845 6012 6146 6412 6585 6870 7014 7515 7902 8015 8244 8780 9219 9618 10020 10305 10521 11690 12292 13170 13740 14028 14427 15030 15365 15804 16030 17535 18438 19236 19755 20610 21042 23380 24045 26340 27657 28854 30060 30730 32060 35070 36876 38243 39510 41220 42084 46095 48090 52605 55314 57708 61460 70140 72135 73313 76486 79020 92190 96180 100531 105210 110628 114729 138285 144270 146626 152972 184380 191215 201062 210420 219939 229458 267701 276570 288540 293252 301593 344187 366565 382430 402124 439878 458916 502655 513191 535402 553140 573645 603186 659817 688374 703717 733130 764860 803103 879756 904779 1005310 1026382 1070804 1099695 1147290 1206372 1319634 1338505 1376748 1407434 1466260 1507965 1539573 1606206 1720935 1809558 2010620 2052764 2111151 2199390 2294580 2409309 2565955 2639268 2677010 2814868 3015930 3079146 3212412 3299085 3441870 3518585 3619116 4015515 4222302 4398780 4523895 4618719 4818618 5131910 5354020 6031860 6158292 6333453 6598170 6883740 7037170 7697865 8031030 8444604 9047790 9237438 9637236 10263820 10555755 12046545 12666906 13196340 14074340 15395730 16062060 16788677 18095580 18474876 21111510 23093595 24093090 25333812 30791460 31667265 33577354 42223020 46187190 48186180 50366031 63334530 67154708 83943385 92374380 100732062 117520739 126669060 151098093 167886770 201464124 235041478 251830155 302196186 335773540 352562217 470082956 503660310 587603695 604392372 705124434 755490465 1007320620 1057686651 1175207390 1410248868 1510980930 1762811085 2115373302 2350414780 3021961860 3525622170 4230746604 5288433255 7051244340 10576866510 21153733020
• Sum of all divisors σ(n): 74262988800
• Sum of proper divisors (its aliquot sum) s(n): 53109255780
• 21153733020 is an abundant number, because the sum of its proper divisors (53109255780) is greater than itself. Its abundance is 31955522760

Bases of 21153733020

• Binary: 10011101100110111000101100110011100₂
• Hexadecimal: 0x4ECDC599C
• Base-36: 9PUDWV0

Squares and roots of 21153733020

• 21153733020 squared (21153733020²) is 447480420681438320400
• 21153733020 cubed (21153733020³) is 9465881350772432699338819608000
• The square root of 21153733020 is 145443.2295433513
• The cube root of 21153733020 is 2765.6401597253

Scales and comparisons

• 21,153,733,020 seconds is equal to 672 years, 32 weeks, 2 days, 20 hours, 57 minutes.
• To count from 1 to 21,153,733,020 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 21153733020 cubic inches would be around 230.5 feet tall.

Recreational maths with 21153733020

• 21153733020 backwards is 02033735112
• The number of decimal digits it has is: 11
• The sum of 21153733020's digits is 27
• More coming soon!