165409371849820

Names of 165409371849820

• Cardinal: 165409371849820 can be written as One hundred sixty-five trillion, four hundred nine billion, three hundred seventy-one million, eight hundred forty-nine thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.6540937184982 × 10¹⁴

Factors of 165409371849820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 11834348

Divisors of 165409371849820

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 140 100693 201386 402772 503465 704851 1006930 1409702 2013860 2819404 3524255 7048510 11733641 14097020 23467282 46934564 58668205 82135487 117336410 164270974 234672820 328541948 410677435 821354870 1642709740 1181495513213 2362991026426 4725982052852 5907477566065 8270468592491 11814955132130 16540937184982 23629910264260 33081874369964 41352342962455 82704685924910 165409371849820
• Sum of all divisors σ(n): 396986468776128
• Sum of proper divisors (its aliquot sum) s(n): 231577096926308
• 165409371849820 is an abundant number, because the sum of its proper divisors (231577096926308) is greater than itself. Its abundance is 66167725076488

Bases of 165409371849820

• Binary: 100101100111000001011110110110100000010001011100₂
• Hexadecimal: 0x96705EDA045C
• Base-36: 1MMS0L97Q4

Squares and roots of 165409371849820

• 165409371849820 squared (165409371849820²) is 27360260295752025048634032400
• 165409371849820 cubed (165409371849820³) is 4525643469167912839806785635307793814168000
• The square root of 165409371849820 is 12861157.4848386021
• The cube root of 165409371849820 is 54893.3881716869

Scales and comparisons

• 165,409,371,849,820 seconds is equal to 5,259,506 years, 19 weeks, 5 days, 8 hours, 3 minutes, 40 seconds.
• To count from 1 to 165,409,371,849,820 would take you about thirteen million, one hundred forty-eight thousand, seven hundred sixty-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 165409371849820 cubic inches would be around 4574.4 feet tall.

Recreational maths with 165409371849820

• 165409371849820 backwards is 028948173904561
• The number of decimal digits it has is: 15
• The sum of 165409371849820's digits is 67
• More coming soon!