168909148672

Names of 168909148672

• Cardinal: 168909148672 can be written as One hundred sixty-eight billion, nine hundred nine million, one hundred forty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.68909148672 × 10¹¹

Factors of 168909148672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 361433

Divisors of 168909148672

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 83 88 128 166 176 256 332 352 512 664 704 913 1328 1408 1826 2656 2816 3652 5312 5632 7304 10624 14608 21248 29216 42496 58432 116864 233728 361337 467456 722674 1445348 2890696 3974707 5781392 7949414 11562784 15898828 23125568 29990971 31797656 46251136 59981942 63595312 92502272 119963884 127190624 185004544 239927768 254381248 329900681 479855536 508762496 659801362 959711072 1017524992 1319602724 1919422144 2035049984 2639205448 3838844288 5278410896 7677688576 10556821792 15355377152 21113643584 42227287168 84454574336 168909148672
• Sum of all divisors σ(n): 372605964192
• Sum of proper divisors (its aliquot sum) s(n): 203696815520
• 168909148672 is an abundant number, because the sum of its proper divisors (203696815520) is greater than itself. Its abundance is 34787666848

Bases of 168909148672

• Binary: 10011101010011110001010001001000000000₂
• Hexadecimal: 0x2753C51200
• Base-36: 25LG598G

Squares and roots of 168909148672

• 168909148672 squared (168909148672²) is 28530300505099799363584
• 168909148672 cubed (168909148672³) is 4819028769672738704900980838760448
• The square root of 168909148672 is 410985.5820731429
• The cube root of 168909148672 is 5527.7839131475

Scales and comparisons

• 168,909,148,672 seconds is equal to 5,370 years, 40 weeks, 6 days, 23 hours, 57 minutes, 52 seconds.
• To count from 1 to 168,909,148,672 would take you about ten thousand, seven hundred forty-one 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 168909148672 cubic inches would be around 460.6 feet tall.

Recreational maths with 168909148672

• 168909148672 backwards is 276841909861
• The number of decimal digits it has is: 12
• The sum of 168909148672's digits is 61
• More coming soon!