18238498688

Names of 18238498688

• Cardinal: 18238498688 can be written as Eighteen billion, two hundred thirty-eight million, four hundred ninety-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8238498688 × 10¹⁰

Factors of 18238498688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 98

Divisors of 18238498688

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 79 128 136 158 272 289 316 544 578 632 1088 1156 1264 1343 2176 2312 2528 2686 4624 5056 5372 6241 9248 10112 10744 12482 18496 21488 22831 24964 36992 42976 45662 49928 85952 91324 99856 106097 171904 182648 199712 212194 365296 399424 424388 493039 730592 798848 848776 986078 1461184 1697552 1803649 1972156 2922368 3395104 3607298 3944312 6790208 7214596 7888624 8381663 13580416 14429192 15777248 16763326 28858384 31554496 33526652 57716768 63108992 67053304 115433536 134106608 142488271 230867072 268213216 284976542 536426432 569953084 1072852864 1139906168 2279812336 4559624672 9119249344 18238498688
• Sum of all divisors σ(n): 39092397600
• Sum of proper divisors (its aliquot sum) s(n): 20853898912
• 18238498688 is an abundant number, because the sum of its proper divisors (20853898912) is greater than itself. Its abundance is 2615400224

Bases of 18238498688

• Binary: 10000111111000110010110011110000000₂
• Hexadecimal: 0x43F196780
• Base-36: 8DMQBNK

Squares and roots of 18238498688

• 18238498688 squared (18238498688²) is 332642834392177721344
• 18238498688 cubed (18238498688³) is 6066905898634334648195373596672
• The square root of 18238498688 is 135049.9858867077
• The cube root of 18238498688 is 2632.2655226193

Scales and comparisons

• 18,238,498,688 seconds is equal to 579 years, 48 weeks, 1 day, 17 hours, 38 minutes, 8 seconds.
• To count from 1 to 18,238,498,688 would take you about one thousand, one hundred fifty-nine 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 18238498688 cubic inches would be around 219.4 feet tall.

Recreational maths with 18238498688

• 18238498688 backwards is 88689483281
• The number of decimal digits it has is: 11
• The sum of 18238498688's digits is 65
• More coming soon!