1988429189833167021

Names of 1988429189833167021

• Cardinal: 1988429189833167021 can be written as One quintillion, nine hundred eighty-eight quadrillion, four hundred twenty-nine trillion, one hundred eighty-nine billion, eight hundred thirty-three million, one hundred sixty-seven thousand and twenty-one.

Scientific notation

• Scientific notation: 1.988429189833167021 × 10¹⁸

Factors of 1988429189833167021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 212105155183

Divisors of 1988429189833167021

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 19 57 73 171 219 657 751 1387 2253 4161 6759 12483 14269 42807 54823 128421 164469 493407 1041637 3124911 9374733 212105154337 636315463011 1908946389033 4029997932403 12089993797209 15483676266601 36269981391627 46451028799803 139353086399409 159290970907087 294189849065419 477872912721261 882569547196257 1433618738163783 2647708641588771 3026528447234653 9079585341703959 11628240876217351 27238756025111877 34884722628652053 104654167885956159 220936576648129669 662809729944389007 1988429189833167021
• Sum of all divisors σ(n): 3068839183436266240
• Sum of proper divisors (its aliquot sum) s(n): 1080409993603099219
• 1988429189833167021 is a deficient number, because the sum of its proper divisors (1080409993603099219) is less than itself. Its deficiency is 908019196230067802

Bases of 1988429189833167021

• Binary: 1101110011000010100011101000000100001000001100001000010101101₂
• Hexadecimal: 0x1B9851D0210610AD
• Base-36: F3UVBJ6QDY99

Squares and roots of 1988429189833167021

• 1988429189833167021 squared (1988429189833167021²) is 3953850642980584969431319222882014441
• 1988429189833167021 cubed (1988429189833167021³) is 7861952030743231075202976413373862518632561355286950261
• The square root of 1988429189833167021 is 1410116729.1515858833
• The cube root of 1988429189833167021 is 1257486.6312600603

Scales and comparisons

• 1,988,429,189,833,167,021 seconds is equal to 63,225,897,621 years, 19 weeks, 3 days, 4 hours, 10 minutes, 21 seconds.
• To count from 1 to 1,988,429,189,833,167,021 would take you about two hundred twenty-one billion, two hundred ninety million, six hundred forty-one thousand, six hundred seventy-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 1988429189833167021 cubic inches would be around 104790.6 feet tall.

Recreational maths with 1988429189833167021

• 1988429189833167021 backwards is 1207613389819248891
• The number of decimal digits it has is: 19
• The sum of 1988429189833167021's digits is 90
• More coming soon!