18438206882602178

Names of 18438206882602178

• Cardinal: 18438206882602178 can be written as Eighteen quadrillion, four hundred thirty-eight trillion, two hundred six billion, eight hundred eighty-two million, six hundred two thousand, one hundred seventy-eight.

Scientific notation

• Scientific notation: 1.8438206882602178 × 10¹⁶

Factors of 18438206882602178

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 34369418

Divisors of 18438206882602178

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 373 746 2611 5222 103043 206086 721301 1442602 34265993 38435039 68531986 76870078 239861951 269045273 479723902 538090546 12781215389 25562430778 89468507723 178937015446 3530870716699 7061741433398 24716095016893 49432190033786 1317014777328727 2634029554657454 9219103441301089 18438206882602178
• Sum of all divisors σ(n): 31693404049566336
• Sum of proper divisors (its aliquot sum) s(n): 13255197166964158
• 18438206882602178 is a deficient number, because the sum of its proper divisors (13255197166964158) is less than itself. Its deficiency is 5183009715638020

Bases of 18438206882602178

• Binary: 1000001100000010111001110010011100010000101110011000010₂
• Hexadecimal: 0x41817393885CC2
• Base-36: 51JSRB1I9C2

Squares and roots of 18438206882602178

• 18438206882602178 squared (18438206882602178²) is 339967473045638327011940610343684
• 18438206882602178 cubed (18438206882602178³) is 6268390601370959034178206254297591086888826943752
• The square root of 18438206882602178 is 135787359.0677798623
• The cube root of 18438206882602178 is 264183.8274444585

Scales and comparisons

• 18,438,206,882,602,178 seconds is equal to 586,277,945 years, 38 weeks, 6 days, 8 hours, 9 minutes, 38 seconds.
• To count from 1 to 18,438,206,882,602,178 would take you about one billion, seven hundred fifty-eight million, eight hundred thirty-three thousand, eight hundred thirty-seven 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 18438206882602178 cubic inches would be around 22015.3 feet tall.

Recreational maths with 18438206882602178

• 18438206882602178 backwards is 87120628860283481
• The number of decimal digits it has is: 17
• The sum of 18438206882602178's digits is 74
• More coming soon!