164721198880

Names of 164721198880

• Cardinal: 164721198880 can be written as One hundred sixty-four billion, seven hundred twenty-one million, one hundred ninety-eight thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.6472119888 × 10¹¹

Factors of 164721198880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 21010371

Divisors of 164721198880

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1120 1568 1960 3920 7840 21010357 42020714 84041428 105051785 147072499 168082856 210103570 294144998 336165712 420207140 588289996 672331424 735362495 840414280 1029507493 1176579992 1470724990 1680828560 2059014986 2353159984 2941449980 3361657120 4118029972 4706319968 5147537465 5882899960 8236059944 10295074930 11765799920 16472119888 20590149860 23531599840 32944239776 41180299720 82360599440 164721198880
• Sum of all divisors σ(n): 452689173468
• Sum of proper divisors (its aliquot sum) s(n): 287967974588
• 164721198880 is an abundant number, because the sum of its proper divisors (287967974588) is greater than itself. Its abundance is 123246775708

Bases of 164721198880

• Binary: 10011001011010001001100000011100100000₂
• Hexadecimal: 0x265A260720
• Base-36: 23O6QYHS

Squares and roots of 164721198880

• 164721198880 squared (164721198880²) is 27133073360464513254400
• 164721198880 cubed (164721198880³) is 4469392373234705016960418435072000
• The square root of 164721198880 is 405858.5946853903
• The cube root of 164721198880 is 5481.7155780877

Scales and comparisons

• 164,721,198,880 seconds is equal to 5,237 years, 32 weeks, 3 days, 8 hours, 34 minutes, 40 seconds.
• To count from 1 to 164,721,198,880 would take you about ten thousand, four hundred seventy-five 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 164721198880 cubic inches would be around 456.8 feet tall.

Recreational maths with 164721198880

• 164721198880 backwards is 088891127461
• The number of decimal digits it has is: 12
• The sum of 164721198880's digits is 55
• More coming soon!