18918934496

Names of 18918934496

• Cardinal: 18918934496 can be written as Eighteen billion, nine hundred eighteen million, nine hundred thirty-four thousand, four hundred ninety-six.

Scientific notation

• Scientific notation: 1.8918934496 × 10¹⁰

Factors of 18918934496

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2498

Divisors of 18918934496

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 77 88 98 112 154 176 196 224 308 352 392 539 577 616 784 1078 1154 1232 1568 1901 2156 2308 2464 3802 4039 4312 4616 6347 7604 8078 8624 9232 12694 13307 15208 16156 17248 18464 20911 25388 26614 28273 30416 32312 41822 44429 50776 53228 56546 60832 64624 83644 88858 93149 101552 106456 113092 129248 146377 167288 177716 186298 203104 212912 226184 292754 311003 334576 355432 372596 425824 452368 585508 622006 669152 710864 745192 904736 1024639 1096877 1171016 1244012 1421728 1490384 2049278 2193754 2342032 2488024 2980768 4098556 4387508 4684064 4976048 7678139 8197112 8775016 9952096 12065647 15356278 16394224 17550032 24131294 30712556 32788448 35100064 48262588 53746973 61425112 84459529 96525176 107493946 122850224 168919058 193050352 214987892 245700448 337838116 386100704 429975784 591216703 675676232 859951568 1182433406 1351352464 1719903136 2364866812 2702704928 4729733624 9459467248 18918934496
• Sum of all divisors σ(n): 47373448752
• Sum of proper divisors (its aliquot sum) s(n): 28454514256
• 18918934496 is an abundant number, because the sum of its proper divisors (28454514256) is greater than itself. Its abundance is 9535579760

Bases of 18918934496

• Binary: 10001100111101010000000011111100000₂
• Hexadecimal: 0x467A807E0
• Base-36: 8OVUFA8

Squares and roots of 18918934496

• 18918934496 squared (18918934496²) is 357926082463938774016
• 18918934496 cubed (18918934496³) is 6771580108545151947763250855936
• The square root of 18918934496 is 137546.1177060261
• The cube root of 18918934496 is 2664.6012329345

Scales and comparisons

• 18,918,934,496 seconds is equal to 601 years, 29 weeks, 2 days, 3 hours, 34 minutes, 56 seconds.
• To count from 1 to 18,918,934,496 would take you about one thousand, two hundred three 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 18918934496 cubic inches would be around 222.1 feet tall.

Recreational maths with 18918934496

• 18918934496 backwards is 69443981981
• The number of decimal digits it has is: 11
• The sum of 18918934496's digits is 62
• More coming soon!