18195428124

Names of 18195428124

• Cardinal: 18195428124 can be written as Eighteen billion, one hundred ninety-five million, four hundred twenty-eight thousand, one hundred twenty-four.

Scientific notation

• Scientific notation: 1.8195428124 × 10¹⁰

Factors of 18195428124

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 115606

Divisors of 18195428124

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 29 36 58 87 116 151 174 261 302 348 453 522 604 906 1044 1359 1812 2718 4379 5436 8758 13137 17516 26274 39411 52548 78822 115421 157644 230842 346263 461684 692526 1038789 1385052 2077578 3347209 4155156 6694418 10041627 13388836 17428571 20083254 30124881 34857142 40166508 52285713 60249762 69714284 104571426 120499524 156857139 209142852 313714278 505428559 627428556 1010857118 1516285677 2021714236 3032571354 4548857031 6065142708 9097714062 18195428124
• Sum of all divisors σ(n): 47895513120
• Sum of proper divisors (its aliquot sum) s(n): 29700084996
• 18195428124 is an abundant number, because the sum of its proper divisors (29700084996) is greater than itself. Its abundance is 11504656872

Bases of 18195428124

• Binary: 10000111100100010000011001100011100₂
• Hexadecimal: 0x43C88331C
• Base-36: 8CX3670

Squares and roots of 18195428124

• 18195428124 squared (18195428124²) is 331073604615650159376
• 18195428124 cubed (18195428124³) is 6024025976537657120455152690624
• The square root of 18195428124 is 134890.4300682595
• The cube root of 18195428124 is 2630.1918409315

Scales and comparisons

• 18,195,428,124 seconds is equal to 578 years, 29 weeks, 5 hours, 35 minutes, 24 seconds.
• To count from 1 to 18,195,428,124 would take you about one thousand, one 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 18195428124 cubic inches would be around 219.2 feet tall.

Recreational maths with 18195428124

• 18195428124 backwards is 42182459181
• The number of decimal digits it has is: 11
• The sum of 18195428124's digits is 45
• More coming soon!