18940435319145012736

Names of 18940435319145012736

• Cardinal: 18940435319145012736 can be written as Eighteen quintillion, nine hundred forty quadrillion, four hundred thirty-five trillion, three hundred nineteen billion, one hundred forty-five million, twelve thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.8940435319145012736 × 10¹⁹

Factors of 18940435319145012736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 26825988203763

Divisors of 18940435319145012736

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 197 224 256 394 448 512 788 896 1379 1576 1792 2758 3152 3584 5516 6304 11032 12608 22064 25216 44128 50432 88256 100864 176512 353024 706048 26825988203557 53651976407114 107303952814228 187781917424899 214607905628456 375563834849798 429215811256912 751127669699596 858431622513824 1502255339399192 1716863245027648 3004510678798384 3433726490055296 5284719676100729 6009021357596768 6867452980110592 10569439352201458 12018042715193536 13734905960221184 21138878704402916 24036085430387072 36993037732705103 42277757408805832 48072170860774144 73986075465410206 84555514817611664 96144341721548288 147972150930820412 169111029635223328 295944301861640824 338222059270446656 591888603723281648 676444118540893312 1183777207446563296 1352888237081786624 2367554414893126592 2705776474163573248 4735108829786253184 9470217659572506368 18940435319145012736
• Sum of all divisors σ(n): 43469689716667897056
• Sum of proper divisors (its aliquot sum) s(n): 24529254397522884320
• 18940435319145012736 is an abundant number, because the sum of its proper divisors (24529254397522884320) is greater than itself. Its abundance is 5588819078377871584

Bases of 18940435319145012736

• Binary: 10000011011011001111100011001001001110000111001101001111000000000₂
• Hexadecimal: 0x106D9F19270E69E00
• Base-36: 3ZWF3YXBYUDJ4

Squares and roots of 18940435319145012736

• 18940435319145012736 squared (18940435319145012736²) is 358740090078715840454299474261602205696
• 18940435319145012736 cubed (18940435319145012736³) is 6794693472520172876680583807098399312018857892615611744256
• The square root of 18940435319145012736 is 4352061042.6721972549
• The cube root of 18940435319145012736 is 2665610.2649237215

Scales and comparisons

• 18,940,435,319,145,012,736 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,940,435,319,145,012,736 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18940435319145012736 cubic inches would be around 222134.2 feet tall.

Recreational maths with 18940435319145012736

• 18940435319145012736 backwards is 63721054191353404981
• The number of decimal digits it has is: 20
• The sum of 18940435319145012736's digits is 76
• More coming soon!