42989856

Names of 42989856

• Cardinal: 42989856 can be written as Forty-two million, nine hundred eighty-nine thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 4.2989856 × 10⁷

Factors of 42989856

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 81

Divisors of 42989856

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 19 21 24 26 28 32 37 38 39 42 48 49 52 56 57 74 76 78 84 91 96 98 104 111 112 114 133 147 148 152 156 168 182 196 208 222 224 228 247 259 266 273 294 296 304 312 336 364 392 399 416 444 456 481 494 518 532 546 588 592 608 624 637 672 703 728 741 777 784 798 888 912 931 962 988 1036 1064 1092 1176 1184 1248 1274 1406 1443 1456 1482 1554 1568 1596 1729 1776 1813 1824 1862 1911 1924 1976 2072 2109 2128 2184 2352 2548 2793 2812 2886 2912 2964 3108 3192 3367 3458 3552 3626 3724 3822 3848 3952 4144 4218 4256 4368 4704 4921 5096 5187 5439 5586 5624 5772 5928 6216 6384 6734 6916 7252 7448 7644 7696 7904 8288 8436 8736 9139 9842 10101 10192 10374 10878 11172 11248 11544 11856 12103 12432 12768 13468 13832 14504 14763 14896 15288 15392 16872 18278 19684 20202 20384 20748 21756 22344 22496 23088 23569 23712 24206 24864 26936 27417 27664 29008 29526 29792 30576 33744 34447 36309 36556 39368 40404 41496 43512 44688 46176 47138 48412 53872 54834 55328 58016 59052 61152 63973 67488 68894 70707 72618 73112 78736 80808 82992 87024 89376 94276 96824 103341 107744 109668 118104 127946 137788 141414 145236 146224 157472 161616 165984 174048 188552 191919 193648 206682 219336 236208 255892 275576 282828 290472 292448 323232 377104 383838 387296 413364 438672 447811 472416 511784 551152 565656 580944 754208 767676 826728 877344 895622 1023568 1102304 1131312 1161888 1343433 1535352 1653456 1791244 2047136 2262624 2686866 3070704 3306912 3582488 5373732 6141408 7164976 10747464 14329952 21494928 42989856
• Sum of all divisors σ(n): 152832960
• Sum of proper divisors (its aliquot sum) s(n): 109843104
• 42989856 is an abundant number, because the sum of its proper divisors (109843104) is greater than itself. Its abundance is 66853248

Bases of 42989856

• Binary: 10100011111111100100100000₂
• Hexadecimal: 0x28FF920
• Base-36: PLF6O

Squares and roots of 42989856

• 42989856 squared (42989856²) is 1848127718900736
• 42989856 cubed (42989856³) is 79450744505151118934016
• The square root of 42989856 is 6556.6650059309
• The cube root of 42989856 is 350.3122546707

Scales and comparisons

• 42,989,856 seconds is equal to 1 year, 19 weeks, 13 hours, 37 minutes, 36 seconds.
• To count from 1 to 42,989,856 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 42989856 cubic inches would be around 29.2 feet tall.

Recreational maths with 42989856

• 42989856 backwards is 65898924
• The number of decimal digits it has is: 8
• The sum of 42989856's digits is 51
• More coming soon!