21343750000

Names of 21343750000

• Cardinal: 21343750000 can be written as Twenty-one billion, three hundred forty-three million, seven hundred fifty thousand.

Scientific notation

• Scientific notation: 2.134375 × 10¹⁰

Factors of 21343750000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 690

Divisors of 21343750000

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 683 1000 1250 1366 2000 2500 2732 3125 3415 5000 5464 6250 6830 10000 10928 12500 13660 15625 17075 25000 27320 31250 34150 50000 54640 62500 68300 78125 85375 125000 136600 156250 170750 250000 273200 312500 341500 390625 426875 625000 683000 781250 853750 1250000 1366000 1562500 1707500 1953125 2134375 3125000 3415000 3906250 4268750 6250000 6830000 7812500 8537500 10671875 15625000 17075000 21343750 31250000 34150000 42687500 53359375 85375000 106718750 170750000 213437500 266796875 426875000 533593750 853750000 1067187500 1333984375 2134375000 2667968750 4268750000 5335937500 10671875000 21343750000
• Sum of all divisors σ(n): 51767572824
• Sum of proper divisors (its aliquot sum) s(n): 30423822824
• 21343750000 is an abundant number, because the sum of its proper divisors (30423822824) is greater than itself. Its abundance is 9080072824

Bases of 21343750000

• Binary: 10011111000001011111100011101110000₂
• Hexadecimal: 0x4F82FC770
• Base-36: 9SZIMWG

Squares and roots of 21343750000

• 21343750000 squared (21343750000²) is 455555664062500000000
• 21343750000 cubed (21343750000³) is 9723266204833984375000000000000
• The square root of 21343750000 is 146095.0033368699
• The cube root of 21343750000 is 2773.8964310311

Scales and comparisons

• 21,343,750,000 seconds is equal to 678 years, 34 weeks, 4 days, 3 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,343,750,000 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 21343750000 cubic inches would be around 231.2 feet tall.

Recreational maths with 21343750000

• 21343750000 backwards is 00005734312
• 21343750000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21343750000's digits is 25
• More coming soon!