18945960

Names of 18945960

• Cardinal: 18945960 can be written as Eighteen million, nine hundred forty-five thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.894596 × 10⁷

Factors of 18945960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 515

Divisors of 18945960

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 31 33 40 44 55 60 62 66 88 93 110 120 124 132 155 165 186 220 248 264 310 330 341 372 440 463 465 620 660 682 744 926 930 1023 1240 1320 1364 1389 1705 1852 1860 2046 2315 2728 2778 3410 3704 3720 4092 4630 5093 5115 5556 6820 6945 8184 9260 10186 10230 11112 13640 13890 14353 15279 18520 20372 20460 25465 27780 28706 30558 40744 40920 43059 50930 55560 57412 61116 71765 76395 86118 101860 114824 122232 143530 152790 157883 172236 203720 215295 287060 305580 315766 344472 430590 473649 574120 611160 631532 789415 861180 947298 1263064 1578830 1722360 1894596 2368245 3157660 3789192 4736490 6315320 9472980 18945960
• Sum of all divisors σ(n): 64143360
• Sum of proper divisors (its aliquot sum) s(n): 45197400
• 18945960 is an abundant number, because the sum of its proper divisors (45197400) is greater than itself. Its abundance is 26251440

Bases of 18945960

• Binary: 1001000010001011110101000₂
• Hexadecimal: 0x12117A8
• Base-36: BA2SO

Squares and roots of 18945960

• 18945960 squared (18945960²) is 358949400321600
• 18945960 cubed (18945960³) is 6800640980517020736000
• The square root of 18945960 is 4352.6957164497
• The cube root of 18945960 is 266.5869414447

Scales and comparisons

• 18,945,960 seconds is equal to 31 weeks, 2 days, 6 hours, 46 minutes.
• To count from 1 to 18,945,960 would take you about forty-six 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 18945960 cubic inches would be around 22.2 feet tall.

Recreational maths with 18945960

• 18945960 backwards is 06954981
• The number of decimal digits it has is: 8
• The sum of 18945960's digits is 42
• More coming soon!