18212621076

Names of 18212621076

• Cardinal: 18212621076 can be written as Eighteen billion, two hundred twelve million, six hundred twenty-one thousand and seventy-six.

Scientific notation

• Scientific notation: 1.8212621076 × 10¹⁰

Factors of 18212621076

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2048240

Divisors of 18212621076

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 156 171 228 234 247 342 468 494 684 741 988 1482 2223 2964 4446 8892 2048203 4096406 6144609 8192812 12289218 18433827 24578436 26626639 36867654 38915857 53253278 73735308 77831714 79879917 106506556 116747571 155663428 159759834 233495142 239639751 319519668 350242713 466990284 479279502 505906141 700485426 958559004 1011812282 1400970852 1517718423 2023624564 3035436846 4553155269 6070873692 9106310538 18212621076
• Sum of all divisors σ(n): 52188237920
• Sum of proper divisors (its aliquot sum) s(n): 33975616844
• 18212621076 is an abundant number, because the sum of its proper divisors (33975616844) is greater than itself. Its abundance is 15762995768

Bases of 18212621076

• Binary: 10000111101100011101000101100010100₂
• Hexadecimal: 0x43D8E8B14
• Base-36: 8D7BOD0

Squares and roots of 18212621076

• 18212621076 squared (18212621076²) is 331699566457959397776
• 18212621076 cubed (18212621076³) is 6041118514972293995887445126976
• The square root of 18212621076 is 134954.1443454035
• The cube root of 18212621076 is 2631.0200073281

Scales and comparisons

• 18,212,621,076 seconds is equal to 579 years, 5 weeks, 3 days, 5 hours, 24 minutes, 36 seconds.
• To count from 1 to 18,212,621,076 would take you about one thousand, one hundred fifty-eight 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 18212621076 cubic inches would be around 219.3 feet tall.

Recreational maths with 18212621076

• 18212621076 backwards is 67012621281
• 18212621076 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18212621076's digits is 36
• More coming soon!