18989151912

Names of 18989151912

• Cardinal: 18989151912 can be written as Eighteen billion, nine hundred eighty-nine million, one hundred fifty-one thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8989151912 × 10¹⁰

Factors of 18989151912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1201

Divisors of 18989151912

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 19 24 34 36 38 43 51 57 68 72 76 86 102 114 129 136 152 153 171 172 204 228 258 289 306 323 342 344 387 408 456 516 578 612 646 684 731 774 817 867 969 1032 1117 1156 1224 1292 1368 1462 1548 1634 1734 1938 2193 2234 2312 2451 2584 2601 2907 2924 3096 3268 3351 3468 3876 4386 4468 4902 5202 5491 5814 5848 6536 6579 6702 6936 7353 7752 8772 8936 9804 10053 10404 10982 11628 12427 13158 13404 13889 14706 16473 17544 18989 19608 20106 20808 21223 21964 23256 24854 26316 26808 27778 29412 32946 37281 37978 40212 41667 42446 43928 48031 49419 49708 52632 55556 56967 58824 63669 65892 74562 75956 80424 83334 84892 96062 98838 99416 111112 111843 113934 125001 127338 131784 144093 149124 151912 166668 169784 170901 191007 192124 197676 223686 227868 236113 250002 254676 288186 298248 322813 333336 341802 360791 382014 384248 395352 432279 447372 455736 472226 500004 509352 576372 645626 683604 708339 721582 764028 816527 864558 894744 912589 944452 968439 1000008 1082373 1152744 1291252 1367208 1416678 1443164 1528056 1633054 1729116 1825178 1888904 1936878 2125017 2164746 2449581 2582504 2737767 2833356 2886328 2905317 3247119 3266108 3458232 3650356 3873756 4250034 4329492 4899162 5475534 5666712 5810634 6133447 6494238 6532216 7300712 7348743 7747512 8213301 8500068 8658984 9798324 10951068 11621268 12266894 12988476 13880959 14697486 15514013 16426602 17000136 18400341 19596648 21902136 23242536 24533788 25976952 27761918 29394972 31028026 32853204 36800682 41642877 46542039 49067576 55201023 55523836 58789944 62056052 65706408 73601364 83285754 93084078 110402046 111047672 124112104 124928631 139626117 147202728 166571508 186168156 220804092 249857262 263738221 279252234 333143016 372336312 441608184 499714524 527476442 558504468 791214663 999429048 1054952884 1117008936 1582429326 2109905768 2373643989 3164858652 4747287978 6329717304 9494575956 18989151912
• Sum of all divisors σ(n): 58897581600
• Sum of proper divisors (its aliquot sum) s(n): 39908429688
• 18989151912 is an abundant number, because the sum of its proper divisors (39908429688) is greater than itself. Its abundance is 20919277776

Bases of 18989151912

• Binary: 10001101011110101110111011010101000₂
• Hexadecimal: 0x46BD776A8
• Base-36: 8Q1NFE0

Squares and roots of 18989151912

• 18989151912 squared (18989151912²) is 360587890337013255744
• 18989151912 cubed (18989151912³) is 6847258227237141589680522582528
• The square root of 18989151912 is 137801.1317515209
• The cube root of 18989151912 is 2667.8937089537

Scales and comparisons

• 18,989,151,912 seconds is equal to 603 years, 41 weeks, 2 days, 20 hours, 25 minutes, 12 seconds.
• To count from 1 to 18,989,151,912 would take you about one thousand, two hundred seven 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 18989151912 cubic inches would be around 222.3 feet tall.

Recreational maths with 18989151912

• 18989151912 backwards is 21915198981
• The number of decimal digits it has is: 11
• The sum of 18989151912's digits is 54
• More coming soon!