42740040

Names of 42740040

• Cardinal: 42740040 can be written as Forty-two million, seven hundred forty thousand and forty.

Scientific notation

• Scientific notation: 4.274004 × 10⁷

Factors of 42740040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 148

Divisors of 42740040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 17 20 21 24 28 30 34 35 40 41 42 51 56 60 68 70 73 82 84 85 102 105 119 120 123 136 140 146 164 168 170 204 205 210 219 238 246 255 280 287 292 328 340 357 365 408 410 420 438 476 492 510 511 574 584 595 615 680 697 714 730 820 840 861 876 952 984 1020 1022 1095 1148 1190 1230 1241 1394 1428 1435 1460 1533 1640 1722 1752 1785 2040 2044 2091 2190 2296 2380 2460 2482 2555 2788 2856 2870 2920 2993 3066 3444 3485 3570 3723 4088 4182 4305 4380 4760 4879 4920 4964 5110 5576 5740 5986 6132 6205 6888 6970 7140 7446 7665 8364 8610 8687 8760 8979 9758 9928 10220 10455 11480 11972 12264 12410 13940 14280 14637 14892 14965 15330 16728 17220 17374 17958 18615 19516 20440 20910 20951 23944 24395 24820 26061 27880 29274 29784 29930 30660 34440 34748 35916 37230 39032 41820 41902 43435 44895 48790 49640 50881 52122 58548 59860 61320 62853 69496 71832 73185 74460 83640 83804 86870 89790 97580 101762 104244 104755 117096 119720 125706 130305 146370 148920 152643 167608 173740 179580 195160 203524 208488 209510 251412 254405 260610 292740 305286 314265 347480 356167 359160 407048 419020 502824 508810 521220 585480 610572 628530 712334 763215 838040 1017620 1042440 1068501 1221144 1257060 1424668 1526430 1780835 2035240 2137002 2514120 2849336 3052860 3561670 4274004 5342505 6105720 7123340 8548008 10685010 14246680 21370020 42740040
• Sum of all divisors σ(n): 161118720
• Sum of proper divisors (its aliquot sum) s(n): 118378680
• 42740040 is an abundant number, because the sum of its proper divisors (118378680) is greater than itself. Its abundance is 75638640

Bases of 42740040

• Binary: 10100011000010100101001000₂
• Hexadecimal: 0x28C2948
• Base-36: PG2FC

Squares and roots of 42740040

• 42740040 squared (42740040²) is 1826711019201600
• 42740040 cubed (42740040³) is 78073702029117152064000
• The square root of 42740040 is 6537.5867107061
• The cube root of 42740040 is 349.6323759043

Scales and comparisons

• 42,740,040 seconds is equal to 1 year, 18 weeks, 4 days, 16 hours, 14 minutes.
• To count from 1 to 42,740,040 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 42740040 cubic inches would be around 29.1 feet tall.

Recreational maths with 42740040

• 42740040 backwards is 04004724
• 42740040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42740040's digits is 21
• More coming soon!