20721732120

Names of 20721732120

• Cardinal: 20721732120 can be written as Twenty billion, seven hundred twenty-one million, seven hundred thirty-two thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.072173212 × 10¹⁰

Factors of 20721732120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 53178

Divisors of 20721732120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 27 30 36 38 40 45 54 57 60 72 76 90 95 108 114 120 135 152 171 180 190 216 228 270 285 342 360 361 380 456 513 540 570 684 722 760 855 1026 1080 1083 1140 1368 1444 1710 1805 2052 2166 2280 2565 2888 3249 3420 3610 4104 4332 5130 5415 6498 6840 7220 8664 9747 10260 10830 12996 14440 16245 19494 20520 21660 25992 32490 38988 43320 48735 53149 64980 77976 97470 106298 129960 159447 194940 212596 265745 318894 389880 425192 478341 531490 637788 797235 956682 1009831 1062980 1275576 1435023 1594470 1913364 2019662 2125960 2391705 2870046 3029493 3188940 3826728 4039324 4783410 5049155 5740092 6058986 6377880 7175115 8078648 9088479 9566820 10098310 11480184 12117972 14350230 15147465 18176958 19133640 19186789 20196620 24235944 27265437 28700460 30294930 36353916 38373578 40393240 45442395 54530874 57400920 57560367 60589860 72707832 76747156 90884790 95933945 109061748 115120734 121179720 136327185 153494312 172681101 181769580 191867890 218123496 230241468 272654370 287801835 345362202 363539160 383735780 460482936 518043303 545308740 575603670 690724404 767471560 863405505 1036086606 1090617480 1151207340 1381448808 1726811010 2072173212 2302414680 2590216515 3453622020 4144346424 5180433030 6907244040 10360866060 20721732120
• Sum of all divisors σ(n): 72900540000
• Sum of proper divisors (its aliquot sum) s(n): 52178807880
• 20721732120 is an abundant number, because the sum of its proper divisors (52178807880) is greater than itself. Its abundance is 31457075760

Bases of 20721732120

• Binary: 10011010011000111001000101000011000₂
• Hexadecimal: 0x4D31C8A18
• Base-36: 9IP6MU0

Squares and roots of 20721732120

• 20721732120 squared (20721732120²) is 429390182053039694400
• 20721732120 cubed (20721732120³) is 8897708327461120179083464128000
• The square root of 20721732120 is 143950.4502250687
• The cube root of 20721732120 is 2746.6839200563

Scales and comparisons

• 20,721,732,120 seconds is equal to 658 years, 46 weeks, 20 hours, 42 minutes.
• To count from 1 to 20,721,732,120 would take you about one thousand, three hundred seventeen 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 20721732120 cubic inches would be around 228.9 feet tall.

Recreational maths with 20721732120

• 20721732120 backwards is 02123712702
• 20721732120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20721732120's digits is 27
• More coming soon!