18478680808

Names of 18478680808

• Cardinal: 18478680808 can be written as Eighteen billion, four hundred seventy-eight million, six hundred eighty thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8478680808 × 10¹⁰

Factors of 18478680808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 351

Divisors of 18478680808

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 17 28 34 56 68 79 97 119 136 149 158 194 238 289 298 316 388 476 553 578 596 632 679 776 952 1043 1106 1156 1192 1343 1358 1649 2023 2086 2212 2312 2533 2686 2716 3298 4046 4172 4424 5066 5372 5432 6596 7663 8092 8344 9401 10132 10744 11543 11771 13192 14453 15326 16184 17731 18802 20264 22831 23086 23542 28033 28906 30652 35462 37604 43061 45662 46172 47084 53641 56066 57812 61304 70924 75208 82397 86122 91324 92344 94168 101171 107282 112132 115624 130271 141848 159817 164794 172244 182648 196231 200107 202342 214564 224264 245701 260542 301427 319634 329588 344488 392462 400214 404684 429128 491402 521084 602854 639268 659176 784924 800428 809368 911897 982804 1042168 1141787 1205708 1278536 1400749 1569848 1600856 1719907 1823794 1965608 2214607 2283574 2411416 2801498 3401819 3439814 3647588 4176917 4429214 4567148 5602996 6803638 6879628 7295176 7992509 8353834 8858428 9134296 11205992 13607276 13759256 15502249 15985018 16707668 17716856 19410379 23812733 27214552 29238419 31004498 31970036 33415336 38820758 47625466 58476838 62008996 63940072 77641516 95250932 116953676 124017992 135872653 155283032 190501864 233907352 271745306 329976443 543490612 659952886 1086981224 1319905772 2309835101 2639811544 4619670202 9239340404 18478680808
• Sum of all divisors σ(n): 43323840000
• Sum of proper divisors (its aliquot sum) s(n): 24845159192
• 18478680808 is an abundant number, because the sum of its proper divisors (24845159192) is greater than itself. Its abundance is 6366478384

Bases of 18478680808

• Binary: 10001001101011010100100101011101000₂
• Hexadecimal: 0x44D6A4AE8
• Base-36: 8HLQ9D4

Squares and roots of 18478680808

• 18478680808 squared (18478680808²) is 341461644403947532864
• 18478680808 cubed (18478680808³) is 6309760735115345874972946074112
• The square root of 18478680808 is 135936.3115874489
• The cube root of 18478680808 is 2643.7699052033

Scales and comparisons

• 18,478,680,808 seconds is equal to 587 years, 29 weeks, 2 days, 14 hours, 53 minutes, 28 seconds.
• To count from 1 to 18,478,680,808 would take you about one thousand, one hundred seventy-five 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 18478680808 cubic inches would be around 220.3 feet tall.

Recreational maths with 18478680808

• 18478680808 backwards is 80808687481
• The number of decimal digits it has is: 11
• The sum of 18478680808's digits is 58
• More coming soon!