161985641660164

Names of 161985641660164

• Cardinal: 161985641660164 can be written as One hundred sixty-one trillion, nine hundred eighty-five billion, six hundred forty-one million, six hundred sixty thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 1.61985641660164 × 10¹⁴

Factors of 161985641660164

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 18562

Divisors of 161985641660164

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 7 14 28 49 98 196 343 686 1372 2401 4802 9604 16807 18553 33614 37106 67228 74212 117649 129871 235298 259742 470596 519484 909097 1818194 3636388 6363679 12727358 25454716 44545753 89091506 178183012 311820271 344213809 623640542 688427618 1247281084 1376855236 2182741897 2409496663 4365483794 4818993326 8730967588 9637986652 16866476641 33732953282 67465906564 118065336487 236130672974 472261345948 826457355409 1652914710818 3305829421636 5785201487863 11570402975726 23140805951452 40496410415041 80992820830082 161985641660164
• Sum of all divisors σ(n): 330738110138037
• Sum of proper divisors (its aliquot sum) s(n): 168752468477873
• 161985641660164 is an abundant number, because the sum of its proper divisors (168752468477873) is greater than itself. Its abundance is 6766826817709

Bases of 161985641660164

• Binary: 100100110101001100111000101000010011111100000100₂
• Hexadecimal: 0x935338A13F04
• Base-36: 1LF36CP62S

Squares and roots of 161985641660164

• 161985641660164 squared (161985641660164²) is 26239348104055058846064506896
• 161985641660164 cubed (161985641660164³) is 4250397639379766408237883344950809466490944
• 161985641660164 is a perfect square number. Its square root is 12727358
• The cube root of 161985641660164 is 54512.0071920101

Scales and comparisons

• 161,985,641,660,164 seconds is equal to 5,150,642 years, 18 weeks, 1 day, 12 hours, 16 minutes, 4 seconds.
• To count from 1 to 161,985,641,660,164 would take you about twelve million, eight hundred seventy-six thousand, six hundred five 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 161985641660164 cubic inches would be around 4542.7 feet tall.

Recreational maths with 161985641660164

• 161985641660164 backwards is 461066146589161
• The number of decimal digits it has is: 15
• The sum of 161985641660164's digits is 64
• More coming soon!