64100090745

Names of 64100090745

• Cardinal: 64100090745 can be written as Sixty-four billion, one hundred million, ninety thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 6.4100090745 × 10¹⁰

Factors of 64100090745

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8747

Divisors of 64100090745

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 9 15 27 37 45 81 111 135 185 333 405 523 555 999 1569 1665 2615 2997 4707 4995 7845 8179 14121 14985 19351 23535 24537 40895 42363 58053 70605 73611 96755 122685 174159 211815 220833 290265 302623 368055 522477 662499 870795 907869 1104165 1513115 1567431 2612385 2723607 3312495 4277617 4539345 7837155 8170821 12832851 13618035 21388085 24512463 38498553 40854105 64164255 115495659 122562315 158271829 192492765 346486977 474815487 577478295 791359145 1424446461 1732434885 2374077435 4273339383 7122232305 12820018149 21366696915 64100090745
• Sum of all divisors σ(n): 118250996160
• Sum of proper divisors (its aliquot sum) s(n): 54150905415
• 64100090745 is a deficient number, because the sum of its proper divisors (54150905415) is less than itself. Its deficiency is 9949185330

Bases of 64100090745

• Binary: 111011101100101010011100001101111001₂
• Hexadecimal: 0xEECA9C379
• Base-36: TG3JEK9

Squares and roots of 64100090745

• 64100090745 squared (64100090745²) is 4108821633517234655025
• 64100090745 cubed (64100090745³) is 263375839563473874908561270243625
• The square root of 64100090745 is 253179.9572339801
• The cube root of 64100090745 is 4002.0841377581

Scales and comparisons

• 64,100,090,745 seconds is equal to 2,038 years, 9 weeks, 4 days, 4 hours, 45 minutes, 45 seconds.
• To count from 1 to 64,100,090,745 would take you about four thousand and seventy-six 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 64100090745 cubic inches would be around 333.5 feet tall.

Recreational maths with 64100090745

• 64100090745 backwards is 54709000146
• The number of decimal digits it has is: 11
• The sum of 64100090745's digits is 36
• More coming soon!