990144555041521664

Names of 990144555041521664

• Cardinal: 990144555041521664 can be written as Nine hundred ninety quadrillion, one hundred forty-four trillion, five hundred fifty-five billion, forty-one million, five hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 9.90144555041521664 × 10¹⁷

Factors of 990144555041521664

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 31149

Divisors of 990144555041521664

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 31147 32768 62294 124588 249176 498352 996704 1993408 3986816 7973632 15947264 31894528 63789056 127578112 255156224 510312448 970135609 1020624896 1940271218 3880542436 7761084872 15522169744 31044339488 62088678976 124177357952 248354715904 496709431808 993418863616 1986837727232 3973675454464 7947350908928 15894701817856 31789403635712
• Sum of all divisors σ(n): 990176345516305947
• Sum of proper divisors (its aliquot sum) s(n): 31790474784283
• 990144555041521664 is a deficient number, because the sum of its proper divisors (31790474784283) is less than itself. Its deficiency is 990112764566737381

Bases of 990144555041521664

• Binary: 110110111101101100110011101000001111100010011000000000000000₂
• Hexadecimal: 0xDBDB33A0F898000
• Base-36: 7ITCY934WB28

Squares and roots of 990144555041521664

• 990144555041521664 squared (990144555041521664²) is 980386239878372924050003088581328896
• 990144555041521664 cubed (990144555041521664³) is 970724097253202081049992307311087228481597455093202944
• The square root of 990144555041521664 is 995060076.0966755137
• 990144555041521664 is a perfect cube number. Its cube root is 996704

Scales and comparisons

• 990,144,555,041,521,664 seconds is equal to 31,483,534,132 years, 6 weeks, 1 day, 16 hours, 27 minutes, 44 seconds.
• To count from 1 to 990,144,555,041,521,664 would take you about ninety-four billion, four hundred fifty million, six hundred two thousand, three hundred ninety-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 990144555041521664 cubic inches would be around 83058.7 feet tall.

Recreational maths with 990144555041521664

• 990144555041521664 backwards is 466125140555441099
• The number of decimal digits it has is: 18
• The sum of 990144555041521664's digits is 71
• More coming soon!