18081445888

Names of 18081445888

• Cardinal: 18081445888 can be written as Eighteen billion, eighty-one million, four hundred forty-five thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8081445888 × 10¹⁰

Factors of 18081445888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1584

Divisors of 18081445888

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 11 16 17 22 31 32 34 44 62 64 68 88 124 128 136 176 187 248 256 272 341 352 374 496 512 527 544 682 704 748 992 1024 1054 1088 1364 1408 1496 1523 1984 2048 2108 2176 2728 2816 2992 3046 3968 4216 4352 5456 5632 5797 5984 6092 7936 8432 8704 10912 11264 11594 11968 12184 15872 16753 16864 17408 21824 22528 23188 23936 24368 25891 31744 33506 33728 34816 43648 46376 47213 47872 48736 51782 63488 67012 67456 87296 92752 94426 95744 97472 103564 134024 134912 174592 185504 188852 191488 194944 207128 268048 269824 284801 349184 371008 377704 382976 389888 414256 519343 536096 539648 569602 698368 742016 755408 779776 802621 828512 1038686 1072192 1079296 1139204 1484032 1510816 1559552 1605242 1657024 2077372 2144384 2278408 2968064 3021632 3119104 3210484 3314048 4154744 4288768 4556816 5936128 6043264 6420968 6628096 8309488 8577536 8828831 9113632 11872256 12086528 12841936 13256192 16618976 17155072 17657662 18227264 24173056 25683872 26512384 33237952 34310144 35315324 36454528 48346112 51367744 53024768 66475904 70630648 72909056 96692224 102735488 132951808 141261296 145818112 205470976 265903616 282522592 291636224 410941952 531807232 565045184 583272448 821883904 1063614464 1130090368 1643767808 2260180736 4520361472 9040722944 18081445888
• Sum of all divisors σ(n): 43136271360
• Sum of proper divisors (its aliquot sum) s(n): 25054825472
• 18081445888 is an abundant number, because the sum of its proper divisors (25054825472) is greater than itself. Its abundance is 6973379584

Bases of 18081445888

• Binary: 10000110101101111001111100000000000₂
• Hexadecimal: 0x435BCF800
• Base-36: 8B184XS

Squares and roots of 18081445888

• 18081445888 squared (18081445888²) is 326938685400672108544
• 18081445888 cubed (18081445888³) is 5911524148766108329469198467072
• The square root of 18081445888 is 134467.2669760191
• The cube root of 18081445888 is 2624.6881994219

Scales and comparisons

• 18,081,445,888 seconds is equal to 574 years, 48 weeks, 3 days, 23 hours, 51 minutes, 28 seconds.
• To count from 1 to 18,081,445,888 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 18081445888 cubic inches would be around 218.7 feet tall.

Recreational maths with 18081445888

• 18081445888 backwards is 88854418081
• The number of decimal digits it has is: 11
• The sum of 18081445888's digits is 55
• More coming soon!