79942168972890

Names of 79942168972890

• Cardinal: 79942168972890 can be written as Seventy-nine trillion, nine hundred forty-two billion, one hundred sixty-eight million, nine hundred seventy-two thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 7.994216897289 × 10¹³

Factors of 79942168972890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4699716006

Divisors of 79942168972890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 243 270 315 378 405 486 567 630 810 945 1134 1215 1701 1890 2430 2835 3402 5670 8505 17010 4699715989 9399431978 14099147967 23498579945 28198295934 32898011923 42297443901 46997159890 65796023846 70495739835 84594887802 98694035769 126892331703 140991479670 164490059615 197388071538 211487219505 253784663406 296082107307 328980119230 380676995109 422974439010 493470178845 592164214614 634461658515 761353990218 888246321921 986940357690 1142030985327 1268923317030 1480410536535 1776492643842 1903384975545 2284061970654 2664738965763 2960821073070 3806769951090 4441231609605 5329477931526 5710154926635 7994216897289 8882463219210 11420309853270 13323694828815 15988433794578 26647389657630 39971084486445 79942168972890
• Sum of all divisors σ(n): 246340313331840
• Sum of proper divisors (its aliquot sum) s(n): 166398144358950
• 79942168972890 is an abundant number, because the sum of its proper divisors (166398144358950) is greater than itself. Its abundance is 86455975386060

Bases of 79942168972890

• Binary: 10010001011010011111100100101011000111001011010₂
• Hexadecimal: 0x48B4FC958E5A
• Base-36: SC4XBCZMI

Squares and roots of 79942168972890

• 79942168972890 squared (79942168972890²) is 6390750380090096597554952100
• 79942168972890 cubed (79942168972890³) is 510890446748723494623820448805390148569000
• The square root of 79942168972890 is 8941038.4728447511
• The cube root of 79942168972890 is 43078.3085335275

Scales and comparisons

• 79,942,168,972,890 seconds is equal to 2,541,913 years, 36 weeks, 1 day, 8 hours, 1 minute, 30 seconds.
• To count from 1 to 79,942,168,972,890 would take you about six million, three hundred fifty-four thousand, seven hundred eighty-four 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 79942168972890 cubic inches would be around 3589.9 feet tall.

Recreational maths with 79942168972890

• 79942168972890 backwards is 09827986124997
• 79942168972890 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 79942168972890's digits is 81
• More coming soon!