42972160

Names of 42972160

• Cardinal: 42972160 can be written as Forty-two million, nine hundred seventy-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 4.297216 × 10⁷

Factors of 42972160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 134

Divisors of 42972160

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 109 110 112 128 140 154 160 176 218 220 224 256 280 308 320 352 385 436 440 448 512 545 560 616 640 704 763 770 872 880 896 1024 1090 1120 1199 1232 1280 1408 1526 1540 1744 1760 1792 2180 2240 2398 2464 2560 2816 3052 3080 3488 3520 3584 3815 4360 4480 4796 4928 5120 5632 5995 6104 6160 6976 7040 7168 7630 8393 8720 8960 9592 9856 11264 11990 12208 12320 13952 14080 15260 16786 17440 17920 19184 19712 23980 24416 24640 27904 28160 30520 33572 34880 35840 38368 39424 41965 47960 48832 49280 55808 56320 61040 67144 69760 76736 78848 83930 95920 97664 98560 111616 122080 134288 139520 153472 167860 191840 195328 197120 244160 268576 279040 306944 335720 383680 390656 394240 488320 537152 558080 613888 671440 767360 781312 976640 1074304 1227776 1342880 1534720 1953280 2148608 2685760 3069440 3906560 4297216 5371520 6138880 8594432 10743040 21486080 42972160
• Sum of all divisors σ(n): 129697920
• Sum of proper divisors (its aliquot sum) s(n): 86725760
• 42972160 is an abundant number, because the sum of its proper divisors (86725760) is greater than itself. Its abundance is 43753600

Bases of 42972160

• Binary: 10100011111011010000000000₂
• Hexadecimal: 0x28FB400
• Base-36: PL1J4

Squares and roots of 42972160

• 42972160 squared (42972160²) is 1846606535065600
• 42972160 cubed (42972160³) is 79352671481884573696000
• The square root of 42972160 is 6555.3154004975
• The cube root of 42972160 is 350.2641814967

Scales and comparisons

• 42,972,160 seconds is equal to 1 year, 19 weeks, 8 hours, 42 minutes, 40 seconds.
• To count from 1 to 42,972,160 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 42972160 cubic inches would be around 29.2 feet tall.

Recreational maths with 42972160

• 42972160 backwards is 06127924
• The number of decimal digits it has is: 8
• The sum of 42972160's digits is 31
• More coming soon!