168990881200

Names of 168990881200

• Cardinal: 168990881200 can be written as One hundred sixty-eight billion, nine hundred ninety million, eight hundred eighty-one thousand, two hundred.

Scientific notation

• Scientific notation: 1.689908812 × 10¹¹

Factors of 168990881200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 133211

Divisors of 168990881200

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3251 6502 13004 16255 26008 32510 52016 65020 81275 129953 130040 162550 259906 260080 325100 519812 649765 650200 1039624 1299530 1300400 2079248 2599060 3248825 5198120 6497650 10396240 12995300 25990600 51981200 422477203 844954406 1689908812 2112386015 3379817624 4224772030 6759635248 8449544060 10561930075 16899088120 21123860150 33798176240 42247720300 84495440600 168990881200
• Sum of all divisors σ(n): 406128602088
• Sum of proper divisors (its aliquot sum) s(n): 237137720888
• 168990881200 is an abundant number, because the sum of its proper divisors (237137720888) is greater than itself. Its abundance is 68146839688

Bases of 168990881200

• Binary: 10011101011000101001000011010110110000₂
• Hexadecimal: 0x2758A435B0
• Base-36: 25MST2GG

Squares and roots of 168990881200

• 168990881200 squared (168990881200²) is 28557917928752513440000
• 168990881200 cubed (168990881200³) is 4826027716017166062940443328000000
• The square root of 168990881200 is 411085.0048347665
• The cube root of 168990881200 is 5528.6753724587

Scales and comparisons

• 168,990,881,200 seconds is equal to 5,373 years, 20 weeks, 23 hours, 26 minutes, 40 seconds.
• To count from 1 to 168,990,881,200 would take you about ten thousand, seven hundred forty-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 168990881200 cubic inches would be around 460.7 feet tall.

Recreational maths with 168990881200

• 168990881200 backwards is 002188099861
• The number of decimal digits it has is: 12
• The sum of 168990881200's digits is 52
• More coming soon!