645427300032

Names of 645427300032

• Cardinal: 645427300032 can be written as Six hundred forty-five billion, four hundred twenty-seven million, three hundred thousand and thirty-two.

Scientific notation

• Scientific notation: 6.45427300032 × 10¹¹

Factors of 645427300032

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 56934

Divisors of 645427300032

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 729 864 972 1296 1458 1728 1944 2187 2592 2916 3888 4374 5184 5832 6561 7776 8748 11664 13122 15552 17496 19683 23328 26244 34992 39366 46656 52488 56929 59049 69984 78732 104976 113858 118098 139968 157464 170787 177147 209952 227716 236196 314928 341574 354294 419904 455432 472392 512361 629856 683148 708588 910864 944784 1024722 1259712 1366296 1417176 1537083 1821728 1889568 2049444 2732592 2834352 3074166 3643456 3779136 4098888 4611249 5465184 5668704 6148332 8197776 9222498 10930368 11337408 12296664 13833747 16395552 18444996 24593328 27667494 32791104 36889992 41501241 49186656 55334988 73779984 83002482 98373312 110669976 124503723 147559968 166004964 221339952 249007446 295119936 332009928 373511169 442679904 498014892 664019856 747022338 885359808 996029784 1120533507 1328039712 1494044676 1992059568 2241067014 2656079424 2988089352 3361600521 3984119136 4482134028 5976178704 6723201042 7968238272 8964268056 10084801563 11952357408 13446402084 17928536112 20169603126 23904714816 26892804168 35857072224 40339206252 53785608336 71714144448 80678412504 107571216672 161356825008 215142433344 322713650016 645427300032
• Sum of all divisors σ(n): 1921184829200
• Sum of proper divisors (its aliquot sum) s(n): 1275757529168
• 645427300032 is an abundant number, because the sum of its proper divisors (1275757529168) is greater than itself. Its abundance is 630330229136

Bases of 645427300032

• Binary: 1001011001000110011101110000011011000000₂
• Hexadecimal: 0x96467706C0
• Base-36: 88I6R000

Squares and roots of 645427300032

• 645427300032 squared (645427300032²) is 416576399626597347201024
• 645427300032 cubed (645427300032³) is 268869780868046178779170592665632768
• The square root of 645427300032 is 803384.9015459525
• The cube root of 645427300032 is 8642.0301479371

Scales and comparisons

• 645,427,300,032 seconds is equal to 20,522 years, 30 weeks, 5 days, 9 hours, 7 minutes, 12 seconds.
• To count from 1 to 645,427,300,032 would take you about forty-one thousand and forty-five 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 645427300032 cubic inches would be around 720.2 feet tall.

Recreational maths with 645427300032

• 645427300032 backwards is 230003724546
• 645427300032 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 645427300032's digits is 36
• More coming soon!