128016689848723809

Names of 128016689848723809

• Cardinal: 128016689848723809 can be written as One hundred twenty-eight quadrillion, sixteen trillion, six hundred eighty-nine billion, eight hundred forty-eight million, seven hundred twenty-three thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.28016689848723809 × 10¹⁷

Factors of 128016689848723809

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3497773

Divisors of 128016689848723809

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 63 189 4157 12471 29099 37413 47279 87297 112239 141837 261891 330953 425511 785673 992859 1276533 2978577 3446327 8935731 10338981 24124289 31016943 72372867 93050829 196538803 217118601 589616409 651355803 1375771621 1768849227 4127314863 5306547681 12381944589 14326381339 37145833767 42979144017 100284669373 128937432051 162938894233 300854008119 386812296153 488816682699 902562024357 1140572259631 1466450048097 2707686073071 3421716778893 4399350144291 10265150336679 30795451010037 677336983326581 2032010949979743 4741358883286067 6096032849939229 14224076649858201 18288098549817687 42672229949574603 128016689848723809
• Sum of all divisors σ(n): 216804623564390400
• Sum of proper divisors (its aliquot sum) s(n): 88787933715666591
• 128016689848723809 is a deficient number, because the sum of its proper divisors (88787933715666591) is less than itself. Its deficiency is 39228756133057218

Bases of 128016689848723809

• Binary: 111000110110011101000000001001011110000010010100101100001₂
• Hexadecimal: 0x1C6CE804BC12961
• Base-36: Z0I4NFMY3Q9

Squares and roots of 128016689848723809

• 128016689848723809 squared (128016689848723809²) is 16388272879824345527628905963468481
• 128016689848723809 cubed (128016689848723809³) is 2097972446412724997534928349276909701297193045764129
• The square root of 128016689848723809 is 357794200.4123652771
• The cube root of 128016689848723809 is 503990.3230598811

Scales and comparisons

• 128,016,689,848,723,809 seconds is equal to 4,070,534,755 years, 29 weeks, 3 days, 21 hours, 30 minutes, 9 seconds.
• To count from 1 to 128,016,689,848,723,809 would take you about twelve billion, two hundred eleven million, six hundred four thousand, two hundred sixty-six 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 128016689848723809 cubic inches would be around 41999.2 feet tall.

Recreational maths with 128016689848723809

• 128016689848723809 backwards is 908327848986610821
• The number of decimal digits it has is: 18
• The sum of 128016689848723809's digits is 90
• More coming soon!