42156072

Names of 42156072

• Cardinal: 42156072 can be written as Forty-two million, one hundred fifty-six thousand and seventy-two.

Scientific notation

• Scientific notation: 4.2156072 × 10⁷

Factors of 42156072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 581

Divisors of 42156072

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 84 98 108 126 147 168 189 196 216 252 294 343 378 392 441 504 569 588 686 756 882 1029 1138 1176 1323 1372 1512 1707 1764 2058 2276 2646 2744 3087 3414 3528 3983 4116 4552 5121 5292 6174 6828 7966 8232 9261 10242 10584 11949 12348 13656 15363 15932 18522 20484 23898 24696 27881 30726 31864 35847 37044 40968 47796 55762 61452 71694 74088 83643 95592 107541 111524 122904 143388 167286 195167 215082 223048 250929 286776 334572 390334 430164 501858 585501 669144 752787 780668 860328 1003716 1171002 1505574 1561336 1756503 2007432 2342004 3011148 3513006 4684008 5269509 6022296 7026012 10539018 14052024 21078036 42156072
• Sum of all divisors σ(n): 136800000
• Sum of proper divisors (its aliquot sum) s(n): 94643928
• 42156072 is an abundant number, because the sum of its proper divisors (94643928) is greater than itself. Its abundance is 52487856

Bases of 42156072

• Binary: 10100000110100000000101000₂
• Hexadecimal: 0x2834028
• Base-36: P3JU0

Squares and roots of 42156072

• 42156072 squared (42156072²) is 1777134406469184
• 42156072 cubed (42156072³) is 74917005992792186485248
• The square root of 42156072 is 6492.7707490717
• The cube root of 42156072 is 348.0326960957

Scales and comparisons

• 42,156,072 seconds is equal to 1 year, 17 weeks, 4 days, 22 hours, 1 minute, 12 seconds.
• To count from 1 to 42,156,072 would take you about two 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 42156072 cubic inches would be around 29 feet tall.

Recreational maths with 42156072

• 42156072 backwards is 27065124
• 42156072 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42156072's digits is 27
• More coming soon!