18082891840

Names of 18082891840

• Cardinal: 18082891840 can be written as Eighteen billion, eighty-two million, eight hundred ninety-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.808289184 × 10¹⁰

Factors of 18082891840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 126

Divisors of 18082891840

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 64 65 68 80 85 89 104 130 136 160 169 170 178 208 221 260 272 289 320 338 340 356 416 442 445 520 544 578 676 680 712 832 845 884 890 1040 1088 1105 1156 1157 1352 1360 1424 1445 1513 1690 1768 1780 2080 2197 2210 2312 2314 2704 2720 2848 2873 2890 3026 3380 3536 3560 3757 4160 4394 4420 4624 4628 5408 5440 5696 5746 5780 5785 6052 6760 7072 7120 7514 7565 8788 8840 9248 9256 10816 10985 11492 11560 11570 12104 13520 14144 14240 14365 15028 15041 15130 17576 17680 18496 18512 18785 19669 21970 22984 23120 23140 24208 25721 27040 28480 28730 30056 30082 30260 35152 35360 37024 37349 37570 39338 43940 45968 46240 46280 48416 48841 51442 54080 57460 60112 60164 60520 70304 70720 74048 74698 75140 75205 78676 87880 91936 92480 92560 96832 97682 98345 102884 114920 120224 120328 121040 128605 140608 149396 150280 150410 157352 175760 183872 185120 186745 195364 195533 196690 205768 229840 240448 240656 242080 244205 255697 257210 298792 300560 300820 314704 334373 351520 370240 373490 390728 391066 393380 411536 459680 481312 484160 488410 511394 514420 597584 601120 601640 629408 634933 668746 703040 746980 781456 782132 786760 823072 919360 962624 976820 977665 1022788 1028840 1195168 1202240 1203280 1258816 1269866 1278485 1337492 1493960 1562912 1564264 1573520 1646144 1671865 1953640 1955330 2045576 2057680 2390336 2406560 2539732 2556970 2674984 2987920 3125824 3128528 3147040 3174665 3324061 3343730 3907280 3910660 4091152 4115360 4346849 4813120 5079464 5113940 5349968 5975840 6257056 6294080 6349330 6648122 6687460 7814560 7821320 8182304 8230720 8693698 10158928 10227880 10699936 11951680 12514112 12698660 13296244 13374920 15629120 15642640 16364608 16620305 17387396 20317856 20455760 21399872 21734245 25397320 26592488 26749840 31285280 33240610 34774792 40635712 40911520 43468490 50794640 53184976 53499680 56509037 62570560 66481220 69549584 81823040 86936980 101589280 106369952 106999360 113018074 132962440 139099168 173873960 203178560 212739904 226036148 265924880 278198336 282545185 347747920 452072296 531849760 565090370 695495840 904144592 1063699520 1130180740 1390991680 1808289184 2260361480 3616578368 4520722960 9041445920 18082891840
• Sum of all divisors σ(n): 50108662800
• Sum of proper divisors (its aliquot sum) s(n): 32025770960
• 18082891840 is an abundant number, because the sum of its proper divisors (32025770960) is greater than itself. Its abundance is 13942879120

Bases of 18082891840

• Binary: 10000110101110100110000100001000000₂
• Hexadecimal: 0x435D30840
• Base-36: 8B234N4

Squares and roots of 18082891840

• 18082891840 squared (18082891840²) is 326990977297138585600
• 18082891840 cubed (18082891840³) is 5912942475120052584895381504000
• The square root of 18082891840 is 134472.6434632709
• The cube root of 18082891840 is 2624.7581619683

Scales and comparisons

• 18,082,891,840 seconds is equal to 574 years, 50 weeks, 6 days, 17 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,082,891,840 would take you about one thousand, one hundred forty-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 18082891840 cubic inches would be around 218.7 feet tall.

Recreational maths with 18082891840

• 18082891840 backwards is 04819828081
• The number of decimal digits it has is: 11
• The sum of 18082891840's digits is 49
• More coming soon!