21267014728644

Names of 21267014728644

• Cardinal: 21267014728644 can be written as Twenty-one trillion, two hundred sixty-seven billion, fourteen million, seven hundred twenty-eight thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 2.1267014728644 × 10¹³

Factors of 21267014728644

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3021449

Divisors of 21267014728644

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 108 66643 133286 199929 266572 399858 599787 799716 1199574 1799361 2399148 2954801 3598722 5909602 7197444 8864403 11819204 17728806 26593209 35457612 53186418 79779627 106372836 159559254 319118508 196916803043 393833606086 590750409129 787667212172 1181500818258 1772251227387 2363001636516 3544502454774 5316753682161 7089004909548 10633507364322 21267014728644
• Sum of all divisors σ(n): 55137550856640
• Sum of proper divisors (its aliquot sum) s(n): 33870536127996
• 21267014728644 is an abundant number, because the sum of its proper divisors (33870536127996) is greater than itself. Its abundance is 12603521399352

Bases of 21267014728644

• Binary: 100110101011110011100110110111011101111000100₂
• Hexadecimal: 0x13579CDBBBC4
• Base-36: 7JDXJGYX0

Squares and roots of 21267014728644

• 21267014728644 squared (21267014728644²) is 452285915468360828954078736
• 21267014728644 cubed (21267014728644³) is 9618771225823864896946305688030050513984
• The square root of 21267014728644 is 4611617.3658103947
• The cube root of 21267014728644 is 27705.6819219333

Scales and comparisons

• 21,267,014,728,644 seconds is equal to 676,225 years, 14 weeks, 5 days, 19 hours, 17 minutes, 24 seconds.
• To count from 1 to 21,267,014,728,644 would take you about one million, six hundred ninety thousand, five hundred sixty-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 21267014728644 cubic inches would be around 2308.8 feet tall.

Recreational maths with 21267014728644

• 21267014728644 backwards is 44682741076212
• 21267014728644 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21267014728644's digits is 54
• More coming soon!