18029642708

Names of 18029642708

• Cardinal: 18029642708 can be written as Eighteen billion, twenty-nine million, six hundred forty-two thousand, seven hundred eight.

Scientific notation

• Scientific notation: 1.8029642708 × 10¹⁰

Factors of 18029642708

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1113

Divisors of 18029642708

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 343 539 686 1078 1093 1372 2156 2186 3773 4372 7546 7651 12023 15092 15302 24046 30604 48092 53557 84161 107114 168322 214228 336644 374899 589127 749798 1178254 1194649 1499596 2356508 2389298 4123889 4778596 8247778 8362543 13141139 16495556 16725086 26282278 33450172 52564556 58537801 91987973 117075602 183975946 234151204 367951892 409764607 643915811 819529214 1287831622 1639058428 2575663244 4507410677 9014821354 18029642708
• Sum of all divisors σ(n): 40176964800
• Sum of proper divisors (its aliquot sum) s(n): 22147322092
• 18029642708 is an abundant number, because the sum of its proper divisors (22147322092) is greater than itself. Its abundance is 4117679384

Bases of 18029642708

• Binary: 10000110010101001101000001111010100₂
• Hexadecimal: 0x432A683D4
• Base-36: 8A6DTCK

Squares and roots of 18029642708

• 18029642708 squared (18029642708²) is 325068016178137573264
• 18029642708 cubed (18029642708³) is 5860860187490184126820093358912
• The square root of 18029642708 is 134274.5050558741
• The cube root of 18029642708 is 2622.1792324693

Scales and comparisons

• 18,029,642,708 seconds is equal to 573 years, 14 weeks, 6 days, 10 hours, 5 minutes, 8 seconds.
• To count from 1 to 18,029,642,708 would take you about one thousand, one hundred forty-six 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 18029642708 cubic inches would be around 218.5 feet tall.

Recreational maths with 18029642708

• 18029642708 backwards is 80724692081
• The number of decimal digits it has is: 11
• The sum of 18029642708's digits is 47
• More coming soon!