745074782991

Names of 745074782991

• Cardinal: 745074782991 can be written as Seven hundred forty-five billion, seventy-four million, seven hundred eighty-two thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 7.45074782991 × 10¹¹

Factors of 745074782991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 202065

Divisors of 745074782991

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 11 21 27 33 63 77 81 99 189 231 297 567 593 693 891 1779 2079 4151 5337 6237 6523 12453 16011 19569 37359 45661 48033 58707 112077 136983 176121 201451 336231 410949 528363 604353 1232847 1410157 1813059 2215961 3698541 4230471 5439177 6647883 12691413 15511727 16317531 19943649 38074239 46535181 59830947 114222717 119460443 139605543 179492841 358381329 418816629 836223101 1075143987 1256449887 1314064873 2508669303 3225431961 3942194619 7526007909 9198454111 9676295883 11826583857 22578023727 27595362333 35479751571 67734071181 82786086999 106439254713 248358260997 745074782991
• Sum of all divisors σ(n): 1389999460608
• Sum of proper divisors (its aliquot sum) s(n): 644924677617
• 745074782991 is a deficient number, because the sum of its proper divisors (644924677617) is less than itself. Its deficiency is 100150105374

Bases of 745074782991

• Binary: 1010110101111001111010101111001100001111₂
• Hexadecimal: 0xAD79EAF30F
• Base-36: 9IA6ADXR

Squares and roots of 745074782991

• 745074782991 squared (745074782991²) is 555136432249085742906081
• 745074782991 cubed (745074782991³) is 413618156788385533953900318769268271
• The square root of 745074782991 is 863177.1446180673
• The cube root of 745074782991 is 9065.6710178717

Scales and comparisons

• 745,074,782,991 seconds is equal to 23,691 years, 3 weeks, 5 days, 17 hours, 29 minutes, 51 seconds.
• To count from 1 to 745,074,782,991 would take you about forty-seven thousand, three hundred eighty-two 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 745074782991 cubic inches would be around 755.5 feet tall.

Recreational maths with 745074782991

• 745074782991 backwards is 199287470547
• 745074782991 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 745074782991's digits is 63
• More coming soon!