18045893520

Names of 18045893520

• Cardinal: 18045893520 can be written as Eighteen billion, forty-five million, eight hundred ninety-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.804589352 × 10¹⁰

Factors of 18045893520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 712

Divisors of 18045893520

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 61 72 80 90 120 122 144 180 183 240 244 305 360 366 488 549 610 641 720 732 915 976 1098 1220 1282 1464 1830 1923 2196 2440 2564 2745 2928 3205 3660 3846 4392 4880 5128 5490 5769 6410 7320 7692 8784 9615 10256 10980 11538 12820 14640 15384 19230 21960 23076 25640 28845 30768 38460 39101 43920 46152 51280 57690 76920 78202 92304 115380 117303 153840 156404 195505 230760 234606 312808 351909 391010 410881 461520 469212 586515 625616 703818 782020 821762 938424 1173030 1232643 1407636 1564040 1643524 1759545 1876848 2054405 2346060 2465286 2815272 3128080 3287048 3519090 3697929 4108810 4692120 4930572 5630544 6163215 6574096 7038180 7395858 8217620 9384240 9861144 12326430 14076360 14791716 16435240 18489645 19722288 24652860 25063741 28152720 29583432 32870480 36979290 49305720 50127482 59166864 73958580 75191223 98611440 100254964 125318705 147917160 150382446 200509928 225573669 250637410 295834320 300764892 375956115 401019856 451147338 501274820 601529784 751912230 902294676 1002549640 1127868345 1203059568 1503824460 1804589352 2005099280 2255736690 3007648920 3609178704 4511473380 6015297840 9022946760 18045893520
• Sum of all divisors σ(n): 61693882068
• Sum of proper divisors (its aliquot sum) s(n): 43647988548
• 18045893520 is an abundant number, because the sum of its proper divisors (43647988548) is greater than itself. Its abundance is 25602095028

Bases of 18045893520

• Binary: 10000110011100111100111101110010000₂
• Hexadecimal: 0x4339E7B90
• Base-36: 8AG24K0

Squares and roots of 18045893520

• 18045893520 squared (18045893520²) is 325654272935177990400
• 18045893520 cubed (18045893520³) is 5876722333721239877005982208000
• The square root of 18045893520 is 134335.0048200393
• The cube root of 18045893520 is 2622.9668196307

Scales and comparisons

• 18,045,893,520 seconds is equal to 573 years, 41 weeks, 5 days, 12 hours, 12 minutes.
• To count from 1 to 18,045,893,520 would take you about one thousand, one hundred forty-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 18045893520 cubic inches would be around 218.6 feet tall.

Recreational maths with 18045893520

• 18045893520 backwards is 02539854081
• 18045893520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18045893520's digits is 45
• More coming soon!