20509212672

Names of 20509212672

• Cardinal: 20509212672 can be written as Twenty billion, five hundred nine million, two hundred twelve thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.0509212672 × 10¹⁰

Factors of 20509212672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 841

Divisors of 20509212672

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 169 192 208 234 256 288 312 338 384 416 468 507 512 576 624 676 768 823 832 936 1014 1024 1152 1248 1352 1521 1536 1646 1664 1872 2028 2048 2304 2469 2496 2704 3042 3072 3292 3328 3744 4056 4096 4608 4938 4992 5408 6084 6144 6584 6656 7407 7488 8112 8192 9216 9876 9984 10699 10816 12168 12288 13168 13312 14814 14976 16224 16384 18432 19752 19968 21398 21632 24336 24576 26336 26624 29628 29952 32097 32448 36864 39504 39936 42796 43264 48672 49152 52672 53248 59256 59904 64194 64896 73728 79008 79872 85592 86528 96291 97344 105344 106496 118512 119808 128388 129792 139087 147456 158016 159744 171184 173056 192582 194688 210688 212992 237024 239616 256776 259584 278174 316032 319488 342368 346112 385164 389376 417261 421376 474048 479232 513552 519168 556348 632064 638976 684736 692224 770328 778752 834522 842752 948096 958464 1027104 1038336 1112696 1251783 1264128 1369472 1384448 1540656 1557504 1669044 1685504 1896192 1916928 2054208 2076672 2225392 2503566 2528256 2738944 2768896 3081312 3115008 3338088 3371008 3792384 4108416 4153344 4450784 5007132 5056512 5477888 6162624 6230016 6676176 6742016 7584768 8216832 8306688 8901568 10014264 10113024 10955776 12325248 12460032 13352352 13484032 15169536 16433664 17803136 20028528 20226048 21911552 24650496 24920064 26704704 30339072 32867328 35606272 40057056 40452096 43823104 49300992 53409408 60678144 65734656 71212544 80114112 87646208 98601984 106818816 121356288 131469312 142425088 160228224 175292416 197203968 213637632 262938624 284850176 320456448 394407936 427275264 525877248 569700352 640912896 788815872 854550528 1139400704 1281825792 1577631744 1709101056 2278801408 2563651584 3418202112 5127303168 6836404224 10254606336 20509212672
• Sum of all divisors σ(n): 64233019032
• Sum of proper divisors (its aliquot sum) s(n): 43723806360
• 20509212672 is an abundant number, because the sum of its proper divisors (43723806360) is greater than itself. Its abundance is 23214593688

Bases of 20509212672

• Binary: 10011000110011100011100000000000000₂
• Hexadecimal: 0x4C671C000
• Base-36: 9F6NLS0

Squares and roots of 20509212672

• 20509212672 squared (20509212672²) is 420627804425325379584
• 20509212672 cubed (20509212672³) is 8626745096715420952687382888448
• The square root of 20509212672 is 143210.3790652061
• The cube root of 20509212672 is 2737.2617551591

Scales and comparisons

• 20,509,212,672 seconds is equal to 652 years, 6 weeks, 5 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 20,509,212,672 would take you about one thousand, three hundred four 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 20509212672 cubic inches would be around 228.1 feet tall.

Recreational maths with 20509212672

• 20509212672 backwards is 27621290502
• 20509212672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20509212672's digits is 36
• More coming soon!