45042690

Names of 45042690

• Cardinal: 45042690 can be written as Forty-five million, forty-two thousand, six hundred ninety.

Scientific notation

• Scientific notation: 4.504269 × 10⁷

Factors of 45042690

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 113

Divisors of 45042690

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 17 21 22 30 31 33 34 35 37 42 51 55 62 66 70 74 77 85 93 102 105 110 111 119 154 155 165 170 185 186 187 210 217 222 231 238 255 259 310 330 341 357 370 374 385 407 434 462 465 510 518 527 555 561 595 629 651 682 714 770 777 814 930 935 1023 1054 1085 1110 1122 1147 1155 1190 1221 1258 1295 1302 1309 1554 1581 1705 1785 1870 1887 2035 2046 2170 2294 2310 2387 2442 2590 2618 2635 2805 2849 3145 3162 3255 3410 3441 3570 3689 3774 3885 3927 4070 4403 4774 5115 5270 5610 5698 5735 5797 6105 6290 6510 6545 6882 6919 7161 7378 7770 7854 7905 8029 8547 8806 9435 10230 11067 11470 11594 11935 12210 12617 13090 13209 13838 14245 14322 15810 16058 17094 17205 17391 18445 18870 19499 19635 20757 22015 22134 23870 24087 25234 26418 28490 28985 34410 34595 34782 35805 36890 37851 38998 39270 40145 40579 41514 42735 44030 48174 48433 55335 57970 58497 63085 66045 69190 71610 75702 80290 81158 85470 86955 88319 96866 97495 103785 110670 116994 120435 121737 126170 132090 136493 145299 173910 176638 189255 194990 202895 207570 214489 240870 242165 243474 264957 272986 290598 292485 378510 405790 409479 428978 441595 484330 529914 584970 608685 643467 682465 726495 818958 883190 1072445 1217370 1286934 1324785 1364930 1452990 1501423 2047395 2144890 2649570 3002846 3217335 4094790 4504269 6434670 7507115 9008538 15014230 22521345 45042690
• Sum of all divisors σ(n): 151289856
• Sum of proper divisors (its aliquot sum) s(n): 106247166
• 45042690 is an abundant number, because the sum of its proper divisors (106247166) is greater than itself. Its abundance is 61204476

Bases of 45042690

• Binary: 10101011110100110000000010₂
• Hexadecimal: 0x2AF4C02
• Base-36: QTF5U

Squares and roots of 45042690

• 45042690 squared (45042690²) is 2028843922436100
• 45042690 cubed (45042690³) is 91384587856673297109000
• The square root of 45042690 is 6711.3851029425
• The cube root of 45042690 is 355.8017717705

Scales and comparisons

• 45,042,690 seconds is equal to 1 year, 22 weeks, 3 days, 7 hours, 51 minutes, 30 seconds.
• To count from 1 to 45,042,690 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 45042690 cubic inches would be around 29.7 feet tall.

Recreational maths with 45042690

• 45042690 backwards is 09624054
• 45042690 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 45042690's digits is 30
• More coming soon!