64387913472

Names of 64387913472

• Cardinal: 64387913472 can be written as Sixty-four billion, three hundred eighty-seven million, nine hundred thirteen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.4387913472 × 10¹⁰

Factors of 64387913472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 27597

Divisors of 64387913472

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 113 128 144 162 192 216 226 256 288 324 339 384 432 452 576 648 678 768 864 904 1017 1152 1296 1356 1728 1808 2034 2304 2592 2712 3051 3456 3616 4068 5184 5424 6102 6912 7232 8136 9153 10368 10848 12204 14464 16272 18306 20736 21696 24408 27479 28928 32544 36612 43392 48816 54958 65088 73224 82437 86784 97632 109916 130176 146448 164874 195264 219832 247311 260352 292896 329748 390528 439664 494622 585792 659496 741933 781056 879328 989244 1171584 1318992 1483866 1758656 1978488 2225799 2343168 2637984 2967732 3105127 3517312 3956976 4451598 5275968 5935464 6210254 7034624 7913952 8903196 9315381 10551936 11870928 12420508 15827904 17806392 18630762 21103872 23741856 24841016 27946143 31655808 35612784 37261524 47483712 49682032 55892286 63311616 71225568 74523048 83838429 94967424 99364064 111784572 142451136 149046096 167676858 189934848 198728128 223569144 251515287 284902272 298092192 335353716 397456256 447138288 503030574 569804544 596184384 670707432 794912512 894276576 1006061148 1192368768 1341414864 1788553152 2012122296 2384737536 2682829728 3577106304 4024244592 5365659456 7154212608 8048489184 10731318912 16096978368 21462637824 32193956736 64387913472
• Sum of all divisors σ(n): 193699210320
• Sum of proper divisors (its aliquot sum) s(n): 129311296848
• 64387913472 is an abundant number, because the sum of its proper divisors (129311296848) is greater than itself. Its abundance is 64923383376

Bases of 64387913472

• Binary: 111011111101110100011001011100000000₂
• Hexadecimal: 0xEFDD19700
• Base-36: TKUWG00

Squares and roots of 64387913472

• 64387913472 squared (64387913472²) is 4145803401277759094784
• 64387913472 cubed (64387913472³) is 266939630673395646833013238530048
• The square root of 64387913472 is 253747.7358953179
• The cube root of 64387913472 is 4008.0652576417

Scales and comparisons

• 64,387,913,472 seconds is equal to 2,047 years, 17 weeks, 3 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 64,387,913,472 would take you about four thousand and ninety-four 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 64387913472 cubic inches would be around 334 feet tall.

Recreational maths with 64387913472

• 64387913472 backwards is 27431978346
• 64387913472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64387913472's digits is 54
• More coming soon!