21489037700

Names of 21489037700

• Cardinal: 21489037700 can be written as Twenty-one billion, four hundred eighty-nine million, thirty-seven thousand, seven hundred.

Scientific notation

• Scientific notation: 2.14890377 × 10¹⁰

Factors of 21489037700

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 570050

Divisors of 21489037700

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 13 20 25 26 29 50 52 58 65 100 116 130 145 260 290 325 377 580 650 725 754 1300 1450 1508 1885 2900 3770 7540 9425 18850 37700 570001 1140002 2280004 2850005 5700010 7410013 11400020 14250025 14820026 16530029 28500050 29640052 33060058 37050065 57000100 66120116 74100130 82650145 148200260 165300290 185250325 214890377 330600580 370500650 413250725 429780754 741001300 826501450 859561508 1074451885 1653002900 2148903770 4297807540 5372259425 10744518850 21489037700
• Sum of all divisors σ(n): 51949982280
• Sum of proper divisors (its aliquot sum) s(n): 30460944580
• 21489037700 is an abundant number, because the sum of its proper divisors (30460944580) is greater than itself. Its abundance is 8971906880

Bases of 21489037700

• Binary: 10100000000110110001011000110000100₂
• Hexadecimal: 0x500D8B184
• Base-36: 9VE0NLW

Squares and roots of 21489037700

• 21489037700 squared (21489037700²) is 461778741272021290000
• 21489037700 cubed (21489037700³) is 9923180780253011456012633000000
• The square root of 21489037700 is 146591.3970872781
• The cube root of 21489037700 is 2780.1762090057

Scales and comparisons

• 21,489,037,700 seconds is equal to 683 years, 14 weeks, 5 days, 17 hours, 8 minutes, 20 seconds.
• To count from 1 to 21,489,037,700 would take you about one thousand, three hundred sixty-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 21489037700 cubic inches would be around 231.7 feet tall.

Recreational maths with 21489037700

• 21489037700 backwards is 00773098412
• The number of decimal digits it has is: 11
• The sum of 21489037700's digits is 41
• More coming soon!