168376017791387961

Names of 168376017791387961

• Cardinal: 168376017791387961 can be written as One hundred sixty-eight quadrillion, three hundred seventy-six trillion, seventeen billion, seven hundred ninety-one million, three hundred eighty-seven thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 1.68376017791387961 × 10¹⁷

Factors of 168376017791387961

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15197650

Divisors of 168376017791387961

• Number of divisors d(n): 21
• Complete list of divisors:
  1 3 9 27 81 243 729 15197647 45592941 136778823 410336469 1231009407 3693028221 11079084663 230968474336609 692905423009827 2078716269029481 6236148807088443 18708446421265329 56125339263795987 168376017791387961
• Sum of all divisors σ(n): 252448559060942901
• Sum of proper divisors (its aliquot sum) s(n): 84072541269554940
• 168376017791387961 is a deficient number, because the sum of its proper divisors (84072541269554940) is less than itself. Its deficiency is 84303476521833021

Bases of 168376017791387961

• Binary: 1001010110001100010001100010011001001001101000100100111001₂
• Hexadecimal: 0x256311899268939
• Base-36: 1A1WBEQD1IK9

Squares and roots of 168376017791387961

• 168376017791387961 squared (168376017791387961²) is 28350483367285795176157578815737521
• 168376017791387961 cubed (168376017791387961³) is 4773541491844561517839946034080442817117168455384681
• 168376017791387961 is a perfect square number. Its square root is 410336469
• The cube root of 168376017791387961 is 552196.1970075743

Scales and comparisons

• 168,376,017,791,387,961 seconds is equal to 5,353,836,544 years, 28 weeks, 3 days, 3 hours, 19 minutes, 21 seconds.
• To count from 1 to 168,376,017,791,387,961 would take you about sixteen billion, sixty-one million, five hundred nine thousand, six hundred thirty-three 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 168376017791387961 cubic inches would be around 46016.3 feet tall.

Recreational maths with 168376017791387961

• 168376017791387961 backwards is 169783197710673861
• The number of decimal digits it has is: 18
• The sum of 168376017791387961's digits is 90
• More coming soon!