20021148

Names of 20021148

• Cardinal: 20021148 can be written as Twenty million, twenty-one thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 2.0021148 × 10⁷

Factors of 20021148

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 456

Divisors of 20021148

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 71 84 108 126 142 189 213 252 284 373 378 426 497 639 746 756 852 994 1119 1278 1491 1492 1917 1988 2238 2556 2611 2982 3357 3834 4473 4476 5222 5964 6714 7668 7833 8946 10071 10444 13419 13428 15666 17892 20142 23499 26483 26838 31332 40284 46998 52966 53676 70497 79449 93996 105932 140994 158898 185381 238347 281988 317796 370762 476694 556143 715041 741524 953388 1112286 1430082 1668429 2224572 2860164 3336858 5005287 6673716 10010574 20021148
• Sum of all divisors σ(n): 60318720
• Sum of proper divisors (its aliquot sum) s(n): 40297572
• 20021148 is an abundant number, because the sum of its proper divisors (40297572) is greater than itself. Its abundance is 20276424

Bases of 20021148

• Binary: 1001100010111111110011100₂
• Hexadecimal: 0x1317F9C
• Base-36: BX4F0

Squares and roots of 20021148

• 20021148 squared (20021148²) is 400846367237904
• 20021148 cubed (20021148³) is 8025404443732427193792
• The square root of 20021148 is 4474.4997485753
• The cube root of 20021148 is 271.5374021303

Scales and comparisons

• 20,021,148 seconds is equal to 33 weeks, 17 hours, 25 minutes, 48 seconds.
• To count from 1 to 20,021,148 would take you about forty-nine weeks!

  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 20021148 cubic inches would be around 22.6 feet tall.

Recreational maths with 20021148

• 20021148 backwards is 84112002
• 20021148 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20021148's digits is 18
• More coming soon!