890138539990

Names of 890138539990

• Cardinal: 890138539990 can be written as Eight hundred ninety billion, one hundred thirty-eight million, five hundred thirty-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.9013853999 × 10¹¹

Factors of 890138539990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 47081

Divisors of 890138539990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 14 35 70 73 146 365 511 730 1022 2555 4057 5110 8114 20285 28399 40570 42937 56798 85874 141995 214685 283990 296161 300559 429370 592322 601118 1480805 1502795 2073127 2961610 3005590 3134401 4146254 6268802 10365635 15672005 20731270 21940807 31344010 43881614 109704035 174195409 219408070 348390818 870977045 1219367863 1741954090 2438735726 6096839315 12193678630 12716264857 25432529714 63581324285 89013853999 127162648570 178027707998 445069269995 890138539990
• Sum of all divisors σ(n): 1856727057024
• Sum of proper divisors (its aliquot sum) s(n): 966588517034
• 890138539990 is an abundant number, because the sum of its proper divisors (966588517034) is greater than itself. Its abundance is 76449977044

Bases of 890138539990

• Binary: 1100111101000000011001000011011111010110₂
• Hexadecimal: 0xCF406437D6
• Base-36: BCX9I57A

Squares and roots of 890138539990

• 890138539990 squared (890138539990²) is 792346620375528829200100
• 890138539990 cubed (890138539990³) is 705298263827084017548331093561999000
• The square root of 890138539990 is 943471.5363963029
• The cube root of 890138539990 is 9619.5007974483

Scales and comparisons

• 890,138,539,990 seconds is equal to 28,303 years, 33 weeks, 6 days, 9 hours, 33 minutes, 10 seconds.
• To count from 1 to 890,138,539,990 would take you about fifty-six thousand, six hundred seven 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 890138539990 cubic inches would be around 801.6 feet tall.

Recreational maths with 890138539990

• 890138539990 backwards is 099935831098
• The number of decimal digits it has is: 12
• The sum of 890138539990's digits is 64
• More coming soon!