20921372416

Names of 20921372416

• Cardinal: 20921372416 can be written as Twenty billion, nine hundred twenty-one million, three hundred seventy-two thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.0921372416 × 10¹⁰

Factors of 20921372416

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2210

Divisors of 20921372416

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 41 49 56 64 76 82 98 112 128 133 152 164 196 224 256 266 287 304 328 392 448 532 574 608 656 779 784 896 931 1064 1148 1216 1312 1558 1568 1792 1862 2009 2128 2141 2296 2432 2624 3116 3136 3724 4018 4256 4282 4592 4864 5248 5453 6232 6272 7448 8036 8512 8564 9184 10496 10906 12464 12544 14896 14987 16072 17024 17128 18368 21812 24928 29792 29974 32144 34048 34256 36736 38171 40679 43624 49856 59584 59948 64288 68512 73472 76342 81358 87248 87781 99712 104909 119168 119896 128576 137024 152684 162716 174496 175562 199424 209818 238336 239792 257152 274048 284753 305368 325432 348992 351124 419636 479584 514304 548096 569506 610736 614467 650864 697984 702248 839272 959168 1139012 1221472 1228934 1301728 1395968 1404496 1667839 1678544 1918336 1993271 2278024 2442944 2457868 2603456 2808992 3335678 3357088 3836672 3986542 4301269 4556048 4885888 4915736 5206912 5617984 6671356 6714176 7973084 8602538 9112096 9771776 9831472 10413824 11235968 11674873 13342712 13428352 15946168 17205076 18224192 19662944 22471936 23349746 26685424 26856704 31892336 34410152 36448384 39325888 46699492 53370848 63784672 68820304 72896768 78651776 81724111 93398984 106741696 127569344 137640608 157303552 163448222 186797968 213483392 255138688 275281216 326896444 373595936 426966784 510277376 550562432 653792888 747191872 1101124864 1307585776 1494383744 2615171552 2988767488 5230343104 10460686208 20921372416
• Sum of all divisors σ(n): 52407628560
• Sum of proper divisors (its aliquot sum) s(n): 31486256144
• 20921372416 is an abundant number, because the sum of its proper divisors (31486256144) is greater than itself. Its abundance is 10564883728

Bases of 20921372416

• Binary: 10011011111000000101100111100000000₂
• Hexadecimal: 0x4DF02CF00
• Base-36: 9M01M9S

Squares and roots of 20921372416

• 20921372416 squared (20921372416²) is 437703823768965677056
• 20921372416 cubed (20921372416³) is 9157364704977763672810162487296
• The square root of 20921372416 is 144642.2221068247
• The cube root of 20921372416 is 2755.4765756683

Scales and comparisons

• 20,921,372,416 seconds is equal to 665 years, 12 weeks, 1 day, 12 hours, 20 minutes, 16 seconds.
• To count from 1 to 20,921,372,416 would take you about one thousand, three hundred thirty 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 20921372416 cubic inches would be around 229.6 feet tall.

Recreational maths with 20921372416

• 20921372416 backwards is 61427312902
• The number of decimal digits it has is: 11
• The sum of 20921372416's digits is 37
• More coming soon!