72281997312

Names of 72281997312

• Cardinal: 72281997312 can be written as Seventy-two billion, two hundred eighty-one million, nine hundred ninety-seven thousand, three hundred twelve.

Scientific notation

• Scientific notation: 7.2281997312 × 10¹⁰

Factors of 72281997312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 11088

Divisors of 72281997312

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 112 114 128 133 152 168 192 224 228 256 266 304 336 384 399 448 456 512 532 608 672 768 798 896 912 1024 1064 1216 1344 1536 1596 1792 1824 2048 2128 2432 2688 3072 3192 3584 3648 4096 4256 4864 5376 6144 6384 7168 7296 8192 8512 9728 10752 11057 12288 12768 14336 14592 16384 17024 19456 21504 22114 24576 25536 28672 29184 33171 34048 38912 43008 44228 49152 51072 57344 58368 66342 68096 77399 77824 86016 88456 102144 114688 116736 132684 136192 154798 155648 172032 176912 204288 210083 232197 233472 265368 272384 309596 311296 344064 353824 408576 420166 464394 466944 530736 544768 619192 630249 707648 817152 840332 928788 933888 1061472 1089536 1238384 1260498 1415296 1470581 1634304 1680664 1857576 2122944 2179072 2476768 2520996 2830592 2941162 3268608 3361328 3715152 4245888 4411743 4953536 5041992 5661184 5882324 6537216 6722656 7430304 8491776 8823486 9907072 10083984 11322368 11764648 13445312 14860608 16983552 17646972 19814144 20167968 22644736 23529296 26890624 29721216 33967104 35293944 39628288 40335936 45289472 47058592 53781248 59442432 67934208 70587888 79256576 80671872 90578944 94117184 107562496 118884864 135868416 141175776 158513152 161343744 181157888 188234368 215124992 237769728 271736832 282351552 317026304 322687488 376468736 430249984 475539456 543473664 564703104 634052608 645374976 752937472 860499968 951078912 1129406208 1268105216 1290749952 1505874944 1720999936 1902157824 2258812416 2581499904 3011749888 3441999872 3804315648 4517624832 5162999808 6023499776 9035249664 10325999616 12046999552 18070499328 24093999104 36140998656 72281997312
• Sum of all divisors σ(n): 231895991040
• Sum of proper divisors (its aliquot sum) s(n): 159613993728
• 72281997312 is an abundant number, because the sum of its proper divisors (159613993728) is greater than itself. Its abundance is 87331996416

Bases of 72281997312

• Binary: 1000011010100010101111100000000000000₂
• Hexadecimal: 0x10D457C000
• Base-36: X7EU22O

Squares and roots of 72281997312

• 72281997312 squared (72281997312²) is 5224687135411975225344
• 72281997312 cubed (72281997312³) is 377650821477889373250925602275328
• The square root of 72281997312 is 268853.1147522751
• The cube root of 72281997312 is 4165.5918489361

Scales and comparisons

• 72,281,997,312 seconds is equal to 2,298 years, 17 weeks, 6 days, 4 hours, 35 minutes, 12 seconds.
• To count from 1 to 72,281,997,312 would take you about four thousand, five 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 72281997312 cubic inches would be around 347.1 feet tall.

Recreational maths with 72281997312

• 72281997312 backwards is 21379918227
• The number of decimal digits it has is: 11
• The sum of 72281997312's digits is 51
• More coming soon!