18451360180

Names of 18451360180

• Cardinal: 18451360180 can be written as Eighteen billion, four hundred fifty-one million, three hundred sixty thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.845136018 × 10¹⁰

Factors of 18451360180

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 228

Divisors of 18451360180

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 121 190 191 209 220 242 380 382 418 484 605 764 836 955 1045 1210 1331 1910 2090 2101 2299 2420 2662 3629 3820 4180 4202 4598 5324 6655 7258 8404 9196 10505 11495 13310 14516 18145 21010 22990 23111 25289 26620 36290 36481 39919 42020 45980 46222 50578 72580 72962 79838 92444 101156 115555 126445 145924 159676 182405 199595 231110 252890 254221 364810 399190 401291 439109 462220 505780 508442 693139 729620 798380 802582 878218 1016884 1271105 1386278 1605164 1756436 2006455 2195545 2542210 2772556 3465695 4012910 4391090 4414201 4830199 5084420 6931390 7624529 8025820 8782180 8828402 9660398 13862780 15249058 17656804 19320796 22071005 24150995 30498116 38122645 44142010 48301990 48556211 76245290 83869819 88284020 96603980 97112422 152490580 167739638 194224844 242781055 335479276 419349095 485562110 838698190 922568009 971124220 1677396380 1845136018 3690272036 4612840045 9225680090 18451360180
• Sum of all divisors σ(n): 45098988480
• Sum of proper divisors (its aliquot sum) s(n): 26647628300
• 18451360180 is an abundant number, because the sum of its proper divisors (26647628300) is greater than itself. Its abundance is 8196268120

Bases of 18451360180

• Binary: 10001001011110010010110100110110100₂
• Hexadecimal: 0x44BC969B4
• Base-36: 8H5GOMS

Squares and roots of 18451360180

• 18451360180 squared (18451360180²) is 340452692492089632400
• 18451360180 cubed (18451360180³) is 6281815253422327608256197832000
• The square root of 18451360180 is 135835.7838715557
• The cube root of 18451360180 is 2642.4663294581

Scales and comparisons

• 18,451,360,180 seconds is equal to 586 years, 36 weeks, 1 day, 9 hours, 49 minutes, 40 seconds.
• To count from 1 to 18,451,360,180 would take you about one thousand, one hundred seventy-three 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 18451360180 cubic inches would be around 220.2 feet tall.

Recreational maths with 18451360180

• 18451360180 backwards is 08106315481
• The number of decimal digits it has is: 11
• The sum of 18451360180's digits is 37
• More coming soon!