45649980

Names of 45649980

• Cardinal: 45649980 can be written as Forty-five million, six hundred forty-nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 4.564998 × 10⁷

Factors of 45649980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 142

Divisors of 45649980

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 31 36 45 54 60 62 81 90 93 101 108 124 135 155 162 180 186 202 243 270 279 303 310 324 372 404 405 465 486 505 540 558 606 620 729 810 837 909 930 972 1010 1116 1212 1215 1395 1458 1515 1620 1674 1818 1860 2020 2430 2511 2727 2790 2916 3030 3131 3348 3636 3645 4185 4545 4860 5022 5454 5580 6060 6262 7290 7533 8181 8370 9090 9393 10044 10908 12524 12555 13635 14580 15066 15655 16362 16740 18180 18786 22599 24543 25110 27270 28179 30132 31310 32724 37572 37665 40905 45198 46965 49086 50220 54540 56358 62620 73629 75330 81810 84537 90396 93930 98172 112716 112995 122715 140895 147258 150660 163620 169074 187860 225990 245430 253611 281790 294516 338148 368145 422685 451980 490860 507222 563580 736290 760833 845370 1014444 1268055 1472580 1521666 1690740 2282499 2536110 3043332 3804165 4564998 5072220 7608330 9129996 11412495 15216660 22824990 45649980
• Sum of all divisors σ(n): 149837184
• Sum of proper divisors (its aliquot sum) s(n): 104187204
• 45649980 is an abundant number, because the sum of its proper divisors (104187204) is greater than itself. Its abundance is 58537224

Bases of 45649980

• Binary: 10101110001001000000111100₂
• Hexadecimal: 0x2B8903C
• Base-36: R6FR0

Squares and roots of 45649980

• 45649980 squared (45649980²) is 2083920674000400
• 45649980 cubed (45649980³) is 95130937089704779992000
• The square root of 45649980 is 6756.4768925825
• The cube root of 45649980 is 357.3936763053

Scales and comparisons

• 45,649,980 seconds is equal to 1 year, 23 weeks, 3 days, 8 hours, 33 minutes.
• To count from 1 to 45,649,980 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 45649980 cubic inches would be around 29.8 feet tall.

Recreational maths with 45649980

• 45649980 backwards is 08994654
• 45649980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 45649980's digits is 45
• More coming soon!