18642992432

Names of 18642992432

• Cardinal: 18642992432 can be written as Eighteen billion, six hundred forty-two million, nine hundred ninety-two thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8642992432 × 10¹⁰

Factors of 18642992432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16828

Divisors of 18642992432

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 19 29 38 58 76 116 127 152 232 254 304 464 508 551 1016 1102 2032 2204 2413 3683 4408 4826 7366 8816 9652 14732 16651 19304 29464 33302 38608 58928 66604 69977 133208 139954 266416 279908 316369 482879 559816 632738 965758 1119632 1265476 1931516 2114677 2530952 3863032 4229354 5061904 7726064 8458708 9174701 16917416 18349402 33834832 36698804 40178863 61325633 73397608 80357726 122651266 146795216 160715452 245302532 321430904 490605064 642861808 981210128 1165187027 2330374054 4660748108 9321496216 18642992432
• Sum of all divisors σ(n): 39645081600
• Sum of proper divisors (its aliquot sum) s(n): 21002089168
• 18642992432 is an abundant number, because the sum of its proper divisors (21002089168) is greater than itself. Its abundance is 2359096736

Bases of 18642992432

• Binary: 10001010111001101010111110100110000₂
• Hexadecimal: 0x457357D30
• Base-36: 8KBK10W

Squares and roots of 18642992432

• 18642992432 squared (18642992432²) is 347561166819609274624
• 18642992432 cubed (18642992432³) is 6479580202675065216012241645568
• The square root of 18642992432 is 136539.3438976473
• The cube root of 18642992432 is 2651.5828887631

Scales and comparisons

• 18,642,992,432 seconds is equal to 592 years, 41 weeks, 9 hours, 32 seconds.
• To count from 1 to 18,642,992,432 would take you about one thousand, one hundred eighty-five 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 18642992432 cubic inches would be around 221 feet tall.

Recreational maths with 18642992432

• 18642992432 backwards is 23429924681
• The number of decimal digits it has is: 11
• The sum of 18642992432's digits is 50
• More coming soon!