21347770400

Names of 21347770400

• Cardinal: 21347770400 can be written as Twenty-one billion, three hundred forty-seven million, seven hundred seventy thousand, four hundred.

Scientific notation

• Scientific notation: 2.13477704 × 10¹⁰

Factors of 21347770400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 142734

Divisors of 21347770400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 20 22 25 32 34 40 44 50 55 68 80 85 88 100 110 136 160 170 176 187 200 220 272 275 340 352 374 400 425 440 544 550 680 748 800 850 880 935 1100 1360 1496 1700 1760 1870 2200 2720 2992 3400 3740 4400 4675 5984 6800 7480 8800 9350 13600 14960 18700 29920 37400 74800 142699 149600 285398 570796 713495 1141592 1426990 1569689 2283184 2425883 2853980 3139378 3567475 4566368 4851766 5707960 6278756 7134950 7848445 9703532 11415920 12129415 12557512 14269900 15696890 19407064 22831840 24258830 25115024 26684713 28539800 31393780 38814128 39242225 48517660 50230048 53369426 57079600 60647075 62787560 77628256 78484450 97035320 106738852 114159200 121294150 125575120 133423565 156968900 194070640 213477704 242588300 251150240 266847130 313937800 388141280 426955408 485176600 533694260 627875600 667117825 853910816 970353200 1067388520 1255751200 1334235650 1940706400 2134777040 2668471300 4269554080 5336942600 10673885200 21347770400
• Sum of all divisors σ(n): 60197709600
• Sum of proper divisors (its aliquot sum) s(n): 38849939200
• 21347770400 is an abundant number, because the sum of its proper divisors (38849939200) is greater than itself. Its abundance is 17502168800

Bases of 21347770400

• Binary: 10011111000011011010010000000100000₂
• Hexadecimal: 0x4F86D2020
• Base-36: 9T1WT28

Squares and roots of 21347770400

• 21347770400 squared (21347770400²) is 455727301051116160000
• 21347770400 cubed (21347770400³) is 9728761787850906447409664000000
• The square root of 21347770400 is 146108.7622286905
• The cube root of 21347770400 is 2774.0705877601

Scales and comparisons

• 21,347,770,400 seconds is equal to 678 years, 41 weeks, 1 day, 16 hours, 13 minutes, 20 seconds.
• To count from 1 to 21,347,770,400 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 21347770400 cubic inches would be around 231.2 feet tall.

Recreational maths with 21347770400

• 21347770400 backwards is 00407774312
• The number of decimal digits it has is: 11
• The sum of 21347770400's digits is 35
• More coming soon!