168742186613

Names of 168742186613

• Cardinal: 168742186613 can be written as One hundred sixty-eight billion, seven hundred forty-two million, one hundred eighty-six thousand, six hundred thirteen.

Scientific notation

• Scientific notation: 1.68742186613 × 10¹¹

Factors of 168742186613

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 308

Divisors of 168742186613

• Number of divisors d(n): 60
• Complete list of divisors:
  1 7 11 13 77 91 143 169 277 1001 1183 1859 1939 2197 3047 3601 13013 15379 21329 24167 25207 28561 39611 46813 76729 169169 199927 277277 314171 327691 514943 537103 608569 844019 997477 2199197 3604601 4259983 5908133 6694259 6982339 7911397 10972247 12967201 46859813 55379779 76805729 87025367 90770407 142639211 168573613 609177569 998474477 1180015291 1854309743 2191456969 12980168201 15340198783 24106026659 168742186613
• Sum of all divisors σ(n): 228736664352
• Sum of proper divisors (its aliquot sum) s(n): 59994477739
• 168742186613 is a deficient number, because the sum of its proper divisors (59994477739) is less than itself. Its deficiency is 108747708874

Bases of 168742186613

• Binary: 10011101001001110100010110111001110101₂
• Hexadecimal: 0x2749D16E75
• Base-36: 25IOQOHH

Squares and roots of 168742186613

• 168742186613 squared (168742186613²) is 28473925542936516411769
• 168742186613 cubed (168742186613³) is 4804752457570860996366861747448397
• The square root of 168742186613 is 410782.4078669875
• The cube root of 168742186613 is 5525.9619584551

Scales and comparisons

• 168,742,186,613 seconds is equal to 5,365 years, 24 weeks, 6 days, 13 hours, 36 minutes, 53 seconds.
• To count from 1 to 168,742,186,613 would take you about ten thousand, seven hundred thirty 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 168742186613 cubic inches would be around 460.5 feet tall.

Recreational maths with 168742186613

• 168742186613 backwards is 316681247861
• The number of decimal digits it has is: 12
• The sum of 168742186613's digits is 53
• More coming soon!