20390072976

Names of 20390072976

• Cardinal: 20390072976 can be written as Twenty billion, three hundred ninety million, seventy-two thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 2.0390072976 × 10¹⁰

Factors of 20390072976

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7565

Divisors of 20390072976

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 23 24 26 27 28 36 39 42 46 48 52 54 56 63 69 72 78 81 84 91 92 104 108 112 117 126 138 144 156 161 162 168 182 184 189 207 208 216 234 252 273 276 299 312 322 324 336 351 364 368 378 414 432 468 483 504 546 552 567 598 621 624 644 648 702 728 756 819 828 897 936 966 1008 1053 1092 1104 1134 1196 1242 1288 1296 1404 1449 1456 1512 1638 1656 1794 1863 1872 1932 2093 2106 2184 2268 2392 2457 2484 2576 2691 2808 2898 3024 3276 3312 3588 3726 3864 4186 4212 4347 4368 4536 4784 4914 4968 5382 5616 5796 6279 6552 7176 7371 7452 7517 7728 8073 8372 8424 8694 9072 9828 9936 10764 11592 12558 13041 13104 14352 14742 14904 15034 16146 16744 16848 17388 18837 19656 21528 22551 23184 24219 25116 26082 29484 29808 30068 32292 33488 34776 37674 39312 43056 45102 48438 50232 52164 52619 56511 58968 60136 64584 67653 69552 75348 90204 96876 97721 100464 104328 105238 113022 117936 120272 129168 135306 150696 157857 169533 172891 180408 193752 195442 202959 208656 210476 226044 270612 293163 301392 315714 339066 345782 360816 387504 390884 405918 420952 452088 473571 518673 541224 586326 608877 631428 678132 684047 691564 781768 811836 841904 879489 904176 947142 1037346 1082448 1172652 1210237 1217754 1262856 1356264 1368094 1383128 1420713 1556019 1563536 1623672 1758978 1894284 2052141 2074692 2247583 2345304 2420474 2435508 2525712 2638467 2712528 2736188 2766256 2841426 3112038 3247344 3517956 3630711 3788568 4104282 4149384 4262139 4495166 4668057 4690608 4840948 4871016 5276934 5472376 5682852 6156423 6224076 6742749 7035912 7261422 7577136 7915401 8208564 8298768 8524278 8990332 9336114 9681896 9742032 10553868 10892133 10944752 11365704 12312846 12448152 13485498 14004171 14071824 14522844 15733081 15830802 16417128 17048556 17980664 18469269 18672228 19363792 20228247 21107736 21784266 22731408 24625692 24896304 26970996 28008342 29045688 31466162 31661604 32676399 32834256 34097112 35961328 36938538 37344456 40456494 42215472 43568532 47199243 49251384 53941992 55407807 56016684 58091376 60684741 62932324 63323208 65352798 68194224 73877076 74688912 80912988 87137064 94398486 98029197 98502768 107883984 110815614 112033368 121369482 125864648 126646416 130705596 141597729 147754152 161825976 174274128 182054223 188796972 196058394 221631228 224066736 242738964 251729296 261411192 283195458 295508304 323651952 364108446 377593944 392116788 424793187 443262456 485477928 522822384 566390916 728216892 755187888 784233576 849586374 886524912 970955856 1132781832 1274379561 1456433784 1568467152 1699172748 2265563664 2548759122 2912867568 3398345496 5097518244 6796690992 10195036488 20390072976
• Sum of all divisors σ(n): 75801648384
• Sum of proper divisors (its aliquot sum) s(n): 55411575408
• 20390072976 is an abundant number, because the sum of its proper divisors (55411575408) is greater than itself. Its abundance is 35021502432

Bases of 20390072976

• Binary: 10010111111010101111101001010010000₂
• Hexadecimal: 0x4BF57D290
• Base-36: 9D7Q100

Squares and roots of 20390072976

• 20390072976 squared (20390072976²) is 415755075966605496576
• 20390072976 cubed (20390072976³) is 8477276339101509814187358130176
• The square root of 20390072976 is 142793.8128071381
• The cube root of 20390072976 is 2731.9511326647

Scales and comparisons

• 20,390,072,976 seconds is equal to 648 years, 17 weeks, 5 days, 5 hours, 9 minutes, 36 seconds.
• To count from 1 to 20,390,072,976 would take you about one thousand, two hundred ninety-six 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 20390072976 cubic inches would be around 227.7 feet tall.

Recreational maths with 20390072976

• 20390072976 backwards is 67927009302
• The number of decimal digits it has is: 11
• The sum of 20390072976's digits is 45
• More coming soon!