164169407421

Names of 164169407421

• Cardinal: 164169407421 can be written as One hundred sixty-four billion, one hundred sixty-nine million, four hundred seven thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.64169407421 × 10¹¹

Factors of 164169407421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 160

Divisors of 164169407421

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 27 29 61 67 87 183 201 261 549 603 783 841 1647 1769 1809 1943 2523 3721 4087 5307 5829 7569 11163 12261 15921 17487 22707 24389 33489 36783 47763 51301 52461 56347 73167 100467 107909 110349 118523 153903 169041 219501 249307 323727 355569 461709 507123 658503 747921 971181 1066707 1385127 1487729 1521369 1634063 2243763 2913543 3129361 3200121 3437167 4463187 4902189 6731289 7229903 9388083 10311501 13389561 14706567 21689709 28164249 30934503 40168683 44119701 65069127 84492747 90751469 92803509 99677843 195207381 209667187 272254407 299033529 629001561 816763221 897100587 1887004683 2450289663 2691301761 5661014049 6080348423 18241045269 54723135807 164169407421
• Sum of all divisors σ(n): 259919337600
• Sum of proper divisors (its aliquot sum) s(n): 95749930179
• 164169407421 is a deficient number, because the sum of its proper divisors (95749930179) is less than itself. Its deficiency is 68419477242

Bases of 164169407421

• Binary: 10011000111001010000100101101110111101₂
• Hexadecimal: 0x2639425BBD
• Base-36: 23F285H9

Squares and roots of 164169407421

• 164169407421 squared (164169407421²) is 26951594332962289871241
• 164169407421 cubed (164169407421³) is 4424627270693600895700865359879461
• The square root of 164169407421 is 405178.2415443851
• The cube root of 164169407421 is 5475.5877539023

Scales and comparisons

• 164,169,407,421 seconds is equal to 5,220 years, 4 weeks, 21 hours, 10 minutes, 21 seconds.
• To count from 1 to 164,169,407,421 would take you about ten thousand, four hundred forty 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 164169407421 cubic inches would be around 456.3 feet tall.

Recreational maths with 164169407421

• 164169407421 backwards is 124704961461
• The number of decimal digits it has is: 12
• The sum of 164169407421's digits is 45
• More coming soon!