168913140

Names of 168913140

• Cardinal: 168913140 can be written as One hundred sixty-eight million, nine hundred thirteen thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.6891314 × 10⁸

Factors of 168913140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6975

Divisors of 168913140

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 37 44 55 60 66 74 110 111 132 148 165 185 220 222 330 370 407 444 555 660 740 814 1110 1221 1628 2035 2220 2442 4070 4884 6105 6917 8140 12210 13834 20751 24420 27668 34585 41502 69170 76087 83004 103755 138340 152174 207510 228261 255929 304348 380435 415020 456522 511858 760870 767787 913044 1023716 1141305 1279645 1521740 1535574 2282610 2559290 2815219 3071148 3838935 4565220 5118580 5630438 7677870 8445657 11260876 14076095 15355740 16891314 28152190 33782628 42228285 56304380 84456570 168913140
• Sum of all divisors σ(n): 529974144
• Sum of proper divisors (its aliquot sum) s(n): 361061004
• 168913140 is an abundant number, because the sum of its proper divisors (361061004) is greater than itself. Its abundance is 192147864

Bases of 168913140

• Binary: 1010000100010110100011110100₂
• Hexadecimal: 0xA1168F4
• Base-36: 2SKE7O

Squares and roots of 168913140

• 168913140 squared (168913140²) is 28531648864659600
• 168913140 cubed (168913140³) is 4819370399107088067144000
• The square root of 168913140 is 12996.6588013997
• The cube root of 168913140 is 552.7827453367

Scales and comparisons

• 168,913,140 seconds is equal to 5 years, 19 weeks, 2 days, 19 minutes.
• To count from 1 to 168,913,140 would take you about eight 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 168913140 cubic inches would be around 46.1 feet tall.

Recreational maths with 168913140

• 168913140 backwards is 041319861
• 168913140 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 168913140's digits is 33
• More coming soon!