64138704448

Names of 64138704448

• Cardinal: 64138704448 can be written as Sixty-four billion, one hundred thirty-eight million, seven hundred four thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 6.4138704448 × 10¹⁰

Factors of 64138704448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2532

Divisors of 64138704448

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 182 196 208 224 364 392 416 448 637 728 784 832 1213 1274 1297 1456 1568 2426 2548 2594 2912 3136 4852 5096 5188 5824 8491 9079 9704 10192 10376 15769 16861 16982 18158 19408 20384 20752 31538 33722 33964 36316 38816 40768 41504 59437 63076 63553 67444 67928 72632 77632 83008 110383 118027 118874 126152 127106 134888 135856 145264 220766 236054 237748 252304 254212 269776 271712 290528 441532 472108 475496 504608 508424 539552 543424 581056 772681 826189 883064 944216 950992 1009216 1016848 1079104 1545362 1573261 1652378 1766128 1888432 1901984 2033696 3090724 3146522 3304756 3532256 3776864 3803968 4067392 6181448 6293044 6609512 7064512 7553728 11012827 12362896 12586088 13219024 20452393 22025654 24725792 25172176 26438048 40904786 44051308 49451584 50344352 52876096 77089789 81809572 88102616 100688704 143166751 154179578 163619144 176205232 286333502 308359156 327238288 352410464 572667004 616718312 654476576 704820928 1002167257 1145334008 1233436624 1308953152 2004334514 2290668016 2466873248 4008669028 4581336032 4933746496 8017338056 9162672064 16034676112 32069352224 64138704448
• Sum of all divisors σ(n): 159698189112
• Sum of proper divisors (its aliquot sum) s(n): 95559484664
• 64138704448 is an abundant number, because the sum of its proper divisors (95559484664) is greater than itself. Its abundance is 31420780216

Bases of 64138704448

• Binary: 111011101110111101101111011001000000₂
• Hexadecimal: 0xEEEF6F640
• Base-36: TGQJ134

Squares and roots of 64138704448

• 64138704448 squared (64138704448²) is 4113773408267894984704
• 64138704448 cubed (64138704448³) is 263852096798936156031031336763392
• The square root of 64138704448 is 253256.2031777307
• The cube root of 64138704448 is 4002.8875909531

Scales and comparisons

• 64,138,704,448 seconds is equal to 2,039 years, 21 weeks, 3 days, 2 hours, 47 minutes, 28 seconds.
• To count from 1 to 64,138,704,448 would take you about four thousand and seventy-eight 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 64138704448 cubic inches would be around 333.6 feet tall.

Recreational maths with 64138704448

• 64138704448 backwards is 84440783146
• 64138704448 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64138704448's digits is 49
• More coming soon!