18385332992

Names of 18385332992

• Cardinal: 18385332992 can be written as Eighteen billion, three hundred eighty-five million, three hundred thirty-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8385332992 × 10¹⁰

Factors of 18385332992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 325

Divisors of 18385332992

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 13 16 17 23 26 32 34 46 52 64 68 71 92 104 128 136 142 184 199 208 221 256 272 284 299 368 391 398 416 442 544 568 598 736 782 796 832 884 923 1088 1136 1196 1207 1472 1564 1592 1633 1664 1768 1846 2176 2272 2392 2414 2587 2944 3128 3184 3266 3328 3383 3536 3692 4352 4544 4577 4784 4828 5083 5174 5888 6256 6368 6532 6766 7072 7384 9088 9154 9568 9656 10166 10348 12512 12736 13064 13532 14129 14144 14768 15691 18176 18308 19136 19312 20332 20696 21229 25024 25472 26128 27064 27761 28258 28288 29536 31382 36616 38272 38624 40664 41392 42458 43979 50048 50944 52256 54128 55522 56516 56576 59072 59501 62764 73232 76544 77248 77809 81328 82784 84916 87958 100096 104512 108256 111044 113032 118144 119002 125528 146464 154496 155618 162656 165568 169832 175916 183677 209024 216512 222088 226064 236288 238004 240193 251056 292928 308992 311236 324967 325312 331136 339664 351832 360893 367354 418048 433024 444176 452128 476008 480386 502112 585856 622472 649934 650624 662272 679328 703664 721786 734708 866048 888352 904256 952016 960772 1004224 1011517 1171712 1244944 1299868 1301248 1358656 1407328 1443572 1469416 1776704 1808512 1904032 1921544 2008448 2023034 2489888 2599736 2717312 2814656 2887144 2938832 3122509 3553408 3617024 3808064 3843088 4016896 4046068 4224571 4979776 5199472 5434624 5524439 5629312 5774288 5877664 6245018 7106816 7616128 7686176 8092136 8449142 9959552 10398944 11048878 11258624 11548576 11755328 12490036 15232256 15372352 16184272 16898284 19919104 20797888 22097756 23097152 23510656 24980072 30744704 32368544 33796568 41595776 44195512 46194304 47021312 49960144 61489408 64737088 67593136 71817707 83191552 88391024 92388608 99920288 129474176 135186272 143635414 176782048 199840576 258948352 270372544 287270828 353564096 399681152 540745088 574541656 707128192 799362304 1081490176 1149083312 1414256384 2298166624 4596333248 9192666496 18385332992
• Sum of all divisors σ(n): 44503603200
• Sum of proper divisors (its aliquot sum) s(n): 26118270208
• 18385332992 is an abundant number, because the sum of its proper divisors (26118270208) is greater than itself. Its abundance is 7732937216

Bases of 18385332992

• Binary: 10001000111110110011110101100000000₂
• Hexadecimal: 0x447D9EB00
• Base-36: 8G25HQ8

Squares and roots of 18385332992

• 18385332992 squared (18385332992²) is 338020469226723672064
• 18385332992 cubed (18385332992³) is 6214618884845403456065647935488
• The square root of 18385332992 is 135592.5255757115
• The cube root of 18385332992 is 2639.3105882711

Scales and comparisons

• 18,385,332,992 seconds is equal to 584 years, 31 weeks, 4 hours, 56 minutes, 32 seconds.
• To count from 1 to 18,385,332,992 would take you about one thousand, one hundred sixty-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 18385332992 cubic inches would be around 219.9 feet tall.

Recreational maths with 18385332992

• 18385332992 backwards is 29923358381
• The number of decimal digits it has is: 11
• The sum of 18385332992's digits is 53
• More coming soon!