18944007168

Names of 18944007168

• Cardinal: 18944007168 can be written as Eighteen billion, nine hundred forty-four million, seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8944007168 × 10¹⁰

Factors of 18944007168

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6166674

Divisors of 18944007168

• Number of divisors d(n): 44
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 3072 6166669 12333338 18500007 24666676 37000014 49333352 74000028 98666704 148000056 197333408 296000112 394666816 592000224 789333632 1184000448 1578667264 2368000896 3157334528 4736001792 6314669056 9472003584 18944007168
• Sum of all divisors σ(n): 50492693960
• Sum of proper divisors (its aliquot sum) s(n): 31548686792
• 18944007168 is an abundant number, because the sum of its proper divisors (31548686792) is greater than itself. Its abundance is 12604679624

Bases of 18944007168

• Binary: 10001101001001001101001110000000000₂
• Hexadecimal: 0x469269C00
• Base-36: 8PARTHC

Squares and roots of 18944007168

• 18944007168 squared (18944007168²) is 358875407581235380224
• 18944007168 cubed (18944007168³) is 6798538293637844585258661445632
• The square root of 18944007168 is 137637.2303121507
• The cube root of 18944007168 is 2665.7778175409

Scales and comparisons

• 18,944,007,168 seconds is equal to 602 years, 18 weeks, 5 days, 8 hours, 12 minutes, 48 seconds.
• To count from 1 to 18,944,007,168 would take you about one thousand, two hundred four 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 18944007168 cubic inches would be around 222.1 feet tall.

Recreational maths with 18944007168

• 18944007168 backwards is 86170044981
• 18944007168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18944007168's digits is 48
• More coming soon!