42139104

Names of 42139104

• Cardinal: 42139104 can be written as Forty-two million, one hundred thirty-nine thousand, one hundred four.

Scientific notation

• Scientific notation: 4.2139104 × 10⁷

Factors of 42139104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 944

Divisors of 42139104

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 73 84 96 112 146 168 219 224 292 336 438 511 584 672 859 876 1022 1168 1533 1718 1752 2044 2336 2577 3066 3436 3504 4088 5154 6013 6132 6872 7008 8176 10308 12026 12264 13744 16352 18039 20616 24052 24528 27488 36078 41232 48104 49056 62707 72156 82464 96208 125414 144312 188121 192416 250828 288624 376242 438949 501656 577248 752484 877898 1003312 1316847 1504968 1755796 2006624 2633694 3009936 3511592 5267388 6019872 7023184 10534776 14046368 21069552 42139104
• Sum of all divisors σ(n): 128298240
• Sum of proper divisors (its aliquot sum) s(n): 86159136
• 42139104 is an abundant number, because the sum of its proper divisors (86159136) is greater than itself. Its abundance is 44020032

Bases of 42139104

• Binary: 10100000101111110111100000₂
• Hexadecimal: 0x282FDE0
• Base-36: P36QO

Squares and roots of 42139104

• 42139104 squared (42139104²) is 1775704085922816
• 42139104 cubed (42139104³) is 74826579149926479396864
• The square root of 42139104 is 6491.4639335051
• The cube root of 42139104 is 347.9859949443

Scales and comparisons

• 42,139,104 seconds is equal to 1 year, 17 weeks, 4 days, 17 hours, 18 minutes, 24 seconds.
• To count from 1 to 42,139,104 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 42139104 cubic inches would be around 29 feet tall.

Recreational maths with 42139104

• 42139104 backwards is 40193124
• 42139104 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42139104's digits is 24
• More coming soon!