1989264168

Names of 1989264168

• Cardinal: 1989264168 can be written as One billion, nine hundred eighty-nine million, two hundred sixty-four thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.989264168 × 10⁹

Factors of 1989264168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 739

Divisors of 1989264168

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 61 72 122 183 244 366 488 549 673 732 1098 1346 1464 2019 2196 2692 4038 4392 5384 6057 8076 12114 16152 24228 41053 48456 82106 123159 164212 246318 328424 369477 452929 492636 738954 905858 985272 1358787 1477908 1811716 2717574 2955816 3623432 4076361 5435148 8152722 10870296 16305444 27628669 32610888 55257338 82886007 110514676 165772014 221029352 248658021 331544028 497316042 663088056 994632084 1989264168
• Sum of all divisors σ(n): 5484060270
• Sum of proper divisors (its aliquot sum) s(n): 3494796102
• 1989264168 is an abundant number, because the sum of its proper divisors (3494796102) is greater than itself. Its abundance is 1505531934

Bases of 1989264168

• Binary: 1110110100100011100001100101000₂
• Hexadecimal: 0x7691C328
• Base-36: WWCU20

Squares and roots of 1989264168

• 1989264168 squared (1989264168²) is 3957171930088732224
• 1989264168 cubed (1989264168³) is 7871860327140916073750149632
• The square root of 1989264168 is 44601.1677874021
• The cube root of 1989264168 is 1257.6626205877

Scales and comparisons

• 1,989,264,168 seconds is equal to 63 years, 13 weeks, 21 hours, 22 minutes, 48 seconds.
• To count from 1 to 1,989,264,168 would take you about one hundred twenty-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 1989264168 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989264168

• 1989264168 backwards is 8614629891
• The number of decimal digits it has is: 10
• The sum of 1989264168's digits is 54
• More coming soon!