19999187712

Names of 19999187712

• Cardinal: 19999187712 can be written as Nineteen billion, nine hundred ninety-nine million, one hundred eighty-seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.9999187712 × 10¹⁰

Factors of 19999187712

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 12

Divisors of 19999187712

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 128 144 147 162 168 189 192 196 216 224 243 252 256 288 294 324 336 378 384 392 432 441 448 486 504 567 576 588 648 672 729 756 768 784 864 882 896 972 1008 1134 1152 1176 1296 1323 1344 1458 1512 1568 1701 1728 1764 1792 1944 2016 2187 2268 2304 2352 2592 2646 2688 2916 3024 3136 3402 3456 3528 3888 3969 4032 4374 4536 4704 5103 5184 5292 5376 5832 6048 6272 6561 6804 6912 7056 7776 7938 8064 8748 9072 9408 10206 10368 10584 11664 11907 12096 12544 13122 13608 14112 15309 15552 15876 16128 17496 18144 18816 19683 20412 20736 21168 23328 23814 24192 26244 27216 28224 30618 31104 31752 34992 35721 36288 37632 39366 40824 42336 45927 46656 47628 48384 52488 54432 56448 59049 61236 62208 63504 69984 71442 72576 78732 81648 84672 91854 93312 95256 104976 107163 108864 112896 118098 122472 127008 137781 139968 142884 145152 157464 163296 169344 177147 183708 186624 190512 209952 214326 217728 236196 244944 254016 275562 279936 285768 314928 321489 326592 338688 354294 367416 381024 413343 419904 428652 435456 472392 489888 508032 531441 551124 559872 571536 629856 642978 653184 708588 734832 762048 826686 839808 857304 944784 964467 979776 1016064 1062882 1102248 1143072 1240029 1259712 1285956 1306368 1417176 1469664 1524096 1594323 1653372 1679616 1714608 1889568 1928934 1959552 2125764 2204496 2286144 2480058 2519424 2571912 2834352 2893401 2939328 3048192 3188646 3306744 3429216 3720087 3779136 3857868 3919104 4251528 4408992 4572288 4960116 5038848 5143824 5668704 5786802 5878656 6377292 6613488 6858432 7440174 7558272 7715736 8503056 8680203 8817984 9144576 9920232 10287648 11160261 11337408 11573604 11757312 12754584 13226976 13716864 14880348 15116544 15431472 17006112 17360406 17635968 19840464 20575296 22320522 22674816 23147208 25509168 26040609 26453952 27433728 29760696 30862944 34012224 34720812 35271936 39680928 41150592 44641044 45349632 46294416 51018336 52081218 52907904 59521392 61725888 68024448 69441624 78121827 79361856 82301184 89282088 92588832 102036672 104162436 105815808 119042784 123451776 136048896 138883248 156243654 158723712 178564176 185177664 204073344 208324872 238085568 246903552 277766496 312487308 317447424 357128352 370355328 408146688 416649744 476171136 555532992 624974616 714256704 740710656 833299488 952342272 1111065984 1249949232 1428513408 1666598976 2222131968 2499898464 2857026816 3333197952 4999796928 6666395904 9999593856 19999187712
• Sum of all divisors σ(n): 69656754468
• Sum of proper divisors (its aliquot sum) s(n): 49657566756
• 19999187712 is an abundant number, because the sum of its proper divisors (49657566756) is greater than itself. Its abundance is 29658379044

Bases of 19999187712

• Binary: 10010101000000010110110001100000000₂
• Hexadecimal: 0x4A80B6300
• Base-36: 96R0000

Squares and roots of 19999187712

• 19999187712 squared (19999187712²) is 399967509139811794944
• 19999187712 cubed (19999187712³) is 7999025293988171739436708528128
• The square root of 19999187712 is 141418.4843363837
• The cube root of 19999187712 is 2714.3808679497

Scales and comparisons

• 19,999,187,712 seconds is equal to 635 years, 47 weeks, 3 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 19,999,187,712 would take you about one thousand, two hundred seventy-one 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 19999187712 cubic inches would be around 226.2 feet tall.

Recreational maths with 19999187712

• 19999187712 backwards is 21778199991
• 19999187712 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19999187712's digits is 63
• More coming soon!