21350270641

Names of 21350270641

• Cardinal: 21350270641 can be written as Twenty-one billion, three hundred fifty million, two hundred seventy thousand, six hundred forty-one.

Scientific notation

• Scientific notation: 2.1350270641 × 10¹⁰

Factors of 21350270641

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1114

Divisors of 21350270641

• Number of divisors d(n): 60
• Complete list of divisors:
  1 7 17 29 49 119 203 289 343 493 833 1061 1421 2023 2401 3451 5831 7427 8381 9947 14161 18037 24157 30769 40817 51989 58667 69629 99127 126259 169099 215383 306629 363923 410669 523073 693889 883813 1183693 1507681 2146403 2547461 2874683 3661511 6186691 8892241 10553767 15024821 20122781 25630577 43306837 62245687 73876369 105173747 179414039 435719809 736216229 1255898273 3050038663 21350270641
• Sum of all divisors σ(n): 27396637020
• Sum of proper divisors (its aliquot sum) s(n): 6046366379
• 21350270641 is a deficient number, because the sum of its proper divisors (6046366379) is less than itself. Its deficiency is 15303904262

Bases of 21350270641

• Binary: 10011111000100100110100011010110001₂
• Hexadecimal: 0x4F89346B1
• Base-36: 9T3EE9D

Squares and roots of 21350270641

• 21350270641 squared (21350270641²) is 455834056443946550881
• 21350270641 cubed (21350270641³) is 9732180472463128907447826984721
• The square root of 21350270641 is 146117.3180735263
• The cube root of 21350270641 is 2774.1788828207

Scales and comparisons

• 21,350,270,641 seconds is equal to 678 years, 45 weeks, 2 days, 14 hours, 44 minutes, 1 second.
• To count from 1 to 21,350,270,641 would take you about one thousand, three hundred fifty-seven 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 21350270641 cubic inches would be around 231.2 feet tall.

Recreational maths with 21350270641

• 21350270641 backwards is 14607205312
• The number of decimal digits it has is: 11
• The sum of 21350270641's digits is 31
• More coming soon!