18058040

Names of 18058040

• Cardinal: 18058040 can be written as Eighteen million, fifty-eight thousand and forty.

Scientific notation

• Scientific notation: 1.805804 × 10⁷

Factors of 18058040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 79

Divisors of 18058040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 20 22 26 28 35 40 41 44 52 55 56 65 70 77 82 88 91 104 110 121 130 140 143 154 164 182 205 220 242 260 280 286 287 308 328 364 385 410 440 451 455 484 520 533 572 574 605 616 715 728 770 820 847 902 910 968 1001 1066 1144 1148 1210 1430 1435 1540 1573 1640 1694 1804 1820 2002 2132 2255 2296 2420 2665 2860 2870 3080 3146 3157 3388 3608 3640 3731 4004 4235 4264 4510 4840 4961 5005 5330 5720 5740 5863 6292 6314 6776 7462 7865 8008 8470 9020 9922 10010 10660 11011 11480 11726 12584 12628 14924 15730 15785 16940 18040 18655 19844 20020 21320 22022 23452 24805 25256 29315 29848 31460 31570 33880 34727 37310 39688 40040 41041 44044 46904 49610 55055 58630 62920 63140 64493 69454 74620 82082 88088 99220 110110 117260 126280 128986 138908 149240 164164 173635 198440 205205 220220 234520 257972 277816 322465 328328 347270 410410 440440 451451 515944 644930 694540 820820 902902 1289860 1389080 1641640 1805804 2257255 2579720 3611608 4514510 9029020 18058040
• Sum of all divisors σ(n): 56306880
• Sum of proper divisors (its aliquot sum) s(n): 38248840
• 18058040 is an abundant number, because the sum of its proper divisors (38248840) is greater than itself. Its abundance is 20190800

Bases of 18058040

• Binary: 1000100111000101100111000₂
• Hexadecimal: 0x1138B38
• Base-36: AR1O8

Squares and roots of 18058040

• 18058040 squared (18058040²) is 326092808641600
• 18058040 cubed (18058040³) is 5888596982162358464000
• The square root of 18058040 is 4249.4752617235
• The cube root of 18058040 is 262.3555183747

Scales and comparisons

• 18,058,040 seconds is equal to 29 weeks, 6 days, 7 minutes, 20 seconds.
• To count from 1 to 18,058,040 would take you about forty-four weeks!

  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 18058040 cubic inches would be around 21.9 feet tall.

Recreational maths with 18058040

• 18058040 backwards is 04085081
• 18058040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18058040's digits is 26
• More coming soon!