42118440

Names of 42118440

• Cardinal: 42118440 can be written as Forty-two million, one hundred eighteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 4.211844 × 10⁷

Factors of 42118440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 78

Divisors of 42118440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 19 20 21 24 26 28 29 30 35 38 39 40 42 49 52 56 57 58 60 65 70 76 78 84 87 91 95 98 104 105 114 116 120 130 133 140 145 147 152 156 168 174 182 190 195 196 203 210 228 232 245 247 260 266 273 280 285 290 294 312 348 364 377 380 390 392 399 406 420 435 455 456 490 494 520 532 546 551 570 580 588 609 637 665 696 728 735 741 754 760 780 798 812 840 870 910 931 980 988 1015 1064 1092 1102 1131 1140 1160 1176 1218 1235 1274 1330 1365 1421 1470 1482 1508 1560 1596 1624 1653 1729 1740 1820 1862 1885 1911 1960 1976 1995 2030 2184 2204 2262 2280 2436 2470 2548 2639 2660 2730 2755 2793 2842 2940 2964 3016 3045 3185 3192 3306 3458 3480 3640 3705 3724 3770 3822 3857 3990 4060 4263 4408 4524 4655 4872 4940 5096 5187 5278 5320 5460 5510 5586 5655 5684 5880 5928 6090 6370 6612 6916 7105 7163 7410 7448 7540 7644 7714 7917 7980 8120 8265 8526 8645 9048 9310 9555 9880 10374 10556 10920 11020 11172 11310 11368 11571 12103 12180 12740 13195 13224 13832 13965 14210 14326 14820 15080 15288 15428 15834 15960 16530 17052 17290 18473 18620 19110 19285 20748 21112 21315 21489 22040 22344 22620 23142 24206 24360 25480 25935 26390 26999 27930 28420 28652 29640 30856 31668 33060 34104 34580 35815 36309 36946 37240 38220 38570 39585 41496 42630 42978 45240 46284 48412 50141 51870 52780 53998 55419 55860 56840 57304 57855 60515 63336 66120 69160 71630 72618 73892 76440 77140 79170 80997 85260 85956 92365 92568 96824 100282 103740 105560 107445 107996 110838 111720 115710 121030 134995 143260 145236 147784 150423 154280 158340 161994 170520 171912 181545 184730 200564 207480 214890 215992 221676 231420 242060 250705 269990 277095 286520 290472 300846 316680 323988 350987 363090 369460 401128 404985 429780 443352 462840 484120 501410 539980 554190 601692 647976 701974 726180 738920 752115 809970 859560 1002820 1052961 1079960 1108380 1203384 1403948 1452360 1504230 1619940 1754935 2005640 2105922 2216760 2807896 3008460 3239880 3509870 4211844 5264805 6016920 7019740 8423688 10529610 14039480 21059220 42118440
• Sum of all divisors σ(n): 172368000
• Sum of proper divisors (its aliquot sum) s(n): 130249560
• 42118440 is an abundant number, because the sum of its proper divisors (130249560) is greater than itself. Its abundance is 88131120

Bases of 42118440

• Binary: 10100000101010110100101000₂
• Hexadecimal: 0x282AD28
• Base-36: P2QSO

Squares and roots of 42118440

• 42118440 squared (42118440²) is 1773962988033600
• 42118440 cubed (42118440³) is 74716553673713899584000
• The square root of 42118440 is 6489.8721096799
• The cube root of 42118440 is 347.9291043317

Scales and comparisons

• 42,118,440 seconds is equal to 1 year, 17 weeks, 4 days, 11 hours, 34 minutes.
• To count from 1 to 42,118,440 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 42118440 cubic inches would be around 29 feet tall.

Recreational maths with 42118440

• 42118440 backwards is 04481124
• 42118440 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42118440's digits is 24
• More coming soon!