19018143872

Names of 19018143872

• Cardinal: 19018143872 can be written as Nineteen billion, eighteen million, one hundred forty-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.9018143872 × 10¹⁰

Factors of 19018143872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1752

Divisors of 19018143872

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 52 56 62 64 91 104 112 124 128 182 208 217 224 248 364 403 416 434 448 496 728 806 832 868 896 961 992 1456 1612 1664 1699 1736 1922 1984 2821 2912 3224 3398 3472 3844 3968 5642 5824 6448 6727 6796 6944 7688 11284 11648 11893 12493 12896 13454 13592 13888 15376 22087 22568 23786 24986 25792 26908 27184 27776 30752 44174 45136 47572 49972 51584 52669 53816 54368 61504 87451 88348 90272 95144 99944 105338 107632 108736 123008 154609 174902 176696 180544 190288 199888 210676 215264 217472 309218 349804 353392 361088 368683 380576 399776 421352 430528 618436 684697 699608 706784 737366 761152 799552 842704 861056 1236872 1369394 1399216 1413568 1474732 1522304 1599104 1632739 1685408 2473744 2738788 2798432 2827136 2949464 3265478 3370816 4792879 4947488 5477576 5596864 5898928 6530956 6741632 9585758 9894976 10955152 11193728 11429173 11797856 13061912 19171516 19789952 21225607 21910304 22858346 23595712 26123824 38343032 42451214 43820608 45716692 47191424 52247648 76686064 84902428 87641216 91433384 104495296 148579249 153372128 169804856 182866768 208990592 297158498 306744256 339609712 365733536 594316996 613488512 679219424 731467072 1188633992 1358438848 1462934144 2377267984 2716877696 4754535968 9509071936 19018143872
• Sum of all divisors σ(n): 48212136000
• Sum of proper divisors (its aliquot sum) s(n): 29193992128
• 19018143872 is an abundant number, because the sum of its proper divisors (29193992128) is greater than itself. Its abundance is 10175848256

Bases of 19018143872

• Binary: 10001101101100100011101100010000000₂
• Hexadecimal: 0x46D91D880
• Base-36: 8QIWTQ8

Squares and roots of 19018143872

• 19018143872 squared (19018143872²) is 361689796336091152384
• 19018143872 cubed (19018143872³) is 6878668583754160002145187790848
• The square root of 19018143872 is 137906.2865572125
• The cube root of 19018143872 is 2669.2507668787

Scales and comparisons

• 19,018,143,872 seconds is equal to 604 years, 37 weeks, 2 days, 9 hours, 44 minutes, 32 seconds.
• To count from 1 to 19,018,143,872 would take you about one thousand, two hundred nine 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 19018143872 cubic inches would be around 222.4 feet tall.

Recreational maths with 19018143872

• 19018143872 backwards is 27834181091
• The number of decimal digits it has is: 11
• The sum of 19018143872's digits is 44
• More coming soon!