20184512720

Names of 20184512720

• Cardinal: 20184512720 can be written as Twenty billion, one hundred eighty-four million, five hundred twelve thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.018451272 × 10¹⁰

Factors of 20184512720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 739

Divisors of 20184512720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 40 58 80 97 116 145 194 232 257 290 349 388 464 485 514 580 698 776 970 1028 1160 1285 1396 1552 1745 1940 2056 2320 2570 2792 2813 3490 3880 4112 5140 5584 5626 6980 7453 7760 10121 10280 11252 13960 14065 14906 20242 20560 22504 24929 27920 28130 29812 33853 37265 40484 45008 49858 50605 56260 59624 67706 74530 80968 89693 99716 101210 112520 119248 124645 135412 149060 161936 169265 179386 199432 202420 225040 249290 270824 298120 338530 358772 398864 404840 448465 498580 541648 596240 677060 717544 722941 809680 896930 981737 997160 1354120 1435088 1445882 1793860 1963474 1994320 2601097 2708240 2891764 3587720 3614705 3926948 4908685 5202194 5783528 7175440 7229410 7853896 8700221 9817370 10404388 11567056 13005485 14458820 15707792 17400442 19634740 20808776 26010970 28917640 34800884 39269480 41617552 43501105 52021940 57835280 69601768 78538960 87002210 104043880 139203536 174004420 208087760 252306409 348008840 504612818 696017680 1009225636 1261532045 2018451272 2523064090 4036902544 5046128180 10092256360 20184512720
• Sum of all divisors σ(n): 49379652000
• Sum of proper divisors (its aliquot sum) s(n): 29195139280
• 20184512720 is an abundant number, because the sum of its proper divisors (29195139280) is greater than itself. Its abundance is 9010626560

Bases of 20184512720

• Binary: 10010110011000101110011100011010000₂
• Hexadecimal: 0x4B31738D0
• Base-36: 99TC5OW

Squares and roots of 20184512720

• 20184512720 squared (20184512720²) is 407414553743841798400
• 20184512720 cubed (20184512720³) is 8223464242355698401472475648000
• The square root of 20184512720 is 142072.2095274089
• The cube root of 20184512720 is 2722.7394869323

Scales and comparisons

• 20,184,512,720 seconds is equal to 641 years, 41 weeks, 6 days, 1 hour, 5 minutes, 20 seconds.
• To count from 1 to 20,184,512,720 would take you about one thousand, two hundred eighty-three 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 20184512720 cubic inches would be around 226.9 feet tall.

Recreational maths with 20184512720

• 20184512720 backwards is 02721548102
• The number of decimal digits it has is: 11
• The sum of 20184512720's digits is 32
• More coming soon!