18129510400

Names of 18129510400

• Cardinal: 18129510400 can be written as Eighteen billion, one hundred twenty-nine million, five hundred ten thousand, four hundred.

Scientific notation

• Scientific notation: 1.81295104 × 10¹⁰

Factors of 18129510400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 88530

Divisors of 18129510400

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2048 2560 3200 4096 5120 6400 8192 10240 12800 20480 25600 40960 51200 88523 102400 177046 204800 354092 442615 708184 885230 1416368 1770460 2213075 2832736 3540920 4426150 5665472 7081840 8852300 11330944 14163680 17704600 22661888 28327360 35409200 45323776 56654720 70818400 90647552 113309440 141636800 181295104 226618880 283273600 362590208 453237760 566547200 725180416 906475520 1133094400 1812951040 2266188800 3625902080 4532377600 9064755200 18129510400
• Sum of all divisors σ(n): 44958949452
• Sum of proper divisors (its aliquot sum) s(n): 26829439052
• 18129510400 is an abundant number, because the sum of its proper divisors (26829439052) is greater than itself. Its abundance is 8699928652

Bases of 18129510400

• Binary: 10000111000100110100110000000000000₂
• Hexadecimal: 0x4389A6000
• Base-36: 8BTUBR4

Squares and roots of 18129510400

• 18129510400 squared (18129510400²) is 328679147343708160000
• 18129510400 cubed (18129510400³) is 5958792020030889461284864000000
• The square root of 18129510400 is 134645.8703414257
• The cube root of 18129510400 is 2627.0118104301

Scales and comparisons

• 18,129,510,400 seconds is equal to 576 years, 24 weeks, 7 hours, 6 minutes, 40 seconds.
• To count from 1 to 18,129,510,400 would take you about one thousand, one hundred fifty-two 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 18129510400 cubic inches would be around 218.9 feet tall.

Recreational maths with 18129510400

• 18129510400 backwards is 00401592181
• The number of decimal digits it has is: 11
• The sum of 18129510400's digits is 31
• More coming soon!