18889748984988

Names of 18889748984988

• Cardinal: 18889748984988 can be written as Eighteen trillion, eight hundred eighty-nine billion, seven hundred forty-eight million, nine hundred eighty-four thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8889748984988 × 10¹³

Factors of 18889748984988

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 273799

Divisors of 18889748984988

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 273787 547574 821361 1095148 1642722 1916509 2464083 3285444 3833018 4928166 5749527 7666036 9856332 11499054 17248581 22998108 34497162 68994324 74959321369 149918642738 224877964107 299837285476 449755928214 524715249583 674633892321 899511856428 1049430499166 1349267784642 1574145748749 2098860998332 2698535569284 3148291497498 4722437246247 6296582994996 9444874492494 18889748984988
• Sum of all divisors σ(n): 54570585274296
• Sum of proper divisors (its aliquot sum) s(n): 35680836289308
• 18889748984988 is an abundant number, because the sum of its proper divisors (35680836289308) is greater than itself. Its abundance is 16791087304320

Bases of 18889748984988

• Binary: 100010010111000011100110001110011010010011100₂
• Hexadecimal: 0x112E1CC7349C
• Base-36: 6P1TWTRJ0

Squares and roots of 18889748984988

• 18889748984988 squared (18889748984988²) is 356822616715855176249360144
• 18889748984988 cubed (18889748984988³) is 6740289661929087477562756624908461518272
• The square root of 18889748984988 is 4346233.8852146463
• The cube root of 18889748984988 is 26632.3033521095

Scales and comparisons

• 18,889,748,984,988 seconds is equal to 600,635 years, 30 weeks, 3 days, 23 hours, 49 minutes, 48 seconds.
• To count from 1 to 18,889,748,984,988 would take you about one million, five hundred one thousand, five hundred eighty-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 18889748984988 cubic inches would be around 2219.4 feet tall.

Recreational maths with 18889748984988

• 18889748984988 backwards is 88948984798881
• The number of decimal digits it has is: 14
• The sum of 18889748984988's digits is 99
• More coming soon!