18087221901480

Names of 18087221901480

• Cardinal: 18087221901480 can be written as Eighteen trillion, eighty-seven billion, two hundred twenty-one million, nine hundred one thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.808722190148 × 10¹³

Factors of 18087221901480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 72095

Divisors of 18087221901480

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 487 974 1461 1948 2435 2922 3896 4621 4870 5844 7305 9242 9740 11688 13863 14610 18484 19480 23105 27726 29220 36968 46210 55452 58440 66977 69315 92420 110904 133954 138630 184840 200931 267908 277260 334885 401862 535816 554520 669770 803724 1004655 1339540 1607448 2009310 2250427 2679080 4018620 4500854 6751281 8037240 9001708 11252135 13502562 18003416 22504270 27005124 32617799 33756405 45008540 54010248 65235598 67512810 90017080 97853397 130471196 135025620 163088995 195706794 260942392 270051240 309500717 326177990 391413588 489266985 619001434 652355980 782827176 928502151 978533970 1238002868 1304711960 1547503585 1857004302 1957067940 2476005736 3095007170 3714008604 3914135880 4642510755 6190014340 7428017208 9285021510 12380028680 18570043020 37140086040 150726849179 301453698358 452180547537 602907396716 753634245895 904361095074 1205814793432 1507268491790 1808722190148 2260902737685 3014536983580 3617444380296 4521805475370 6029073967160 9043610950740 18087221901480
• Sum of all divisors σ(n): 54385664474880
• Sum of proper divisors (its aliquot sum) s(n): 36298442573400
• 18087221901480 is an abundant number, because the sum of its proper divisors (36298442573400) is greater than itself. Its abundance is 18211220671920

Bases of 18087221901480

• Binary: 100000111001101000010011011111011100010101000₂
• Hexadecimal: 0x1073426FB8A8
• Base-36: 6ET5KX6SO

Squares and roots of 18087221901480

• 18087221901480 squared (18087221901480²) is 327147596113377786826190400
• 18087221901480 cubed (18087221901480³) is 5917191165438420031104001620952521792000
• The square root of 18087221901480 is 4252907.4644859133
• The cube root of 18087221901480 is 26249.6765016423

Scales and comparisons

• 18,087,221,901,480 seconds is equal to 575,117 years, 36 weeks, 6 days, 1 hour, 58 minutes.
• To count from 1 to 18,087,221,901,480 would take you about one million, four hundred thirty-seven thousand, seven hundred ninety-four 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 18087221901480 cubic inches would be around 2187.5 feet tall.

Recreational maths with 18087221901480

• 18087221901480 backwards is 08410912278081
• The number of decimal digits it has is: 14
• The sum of 18087221901480's digits is 51
• More coming soon!