128490160490740

Names of 128490160490740

• Cardinal: 128490160490740 can be written as One hundred twenty-eight trillion, four hundred ninety billion, one hundred sixty million, four hundred ninety thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.2849016049074 × 10¹⁴

Factors of 128490160490740

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1067

Divisors of 128490160490740

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 83 166 332 415 830 977 1660 1954 3908 4885 6889 9770 13778 19540 27556 34445 68890 81091 137780 162182 324364 405455 810910 954529 1621820 1909058 3818116 4772645 6730553 9545290 13461106 19090580 26922212 33652765 67305530 79225907 134611060 158451814 316903628 396129535 792259070 932574833 1584518140 1865149666 3730299332 4662874165 6575750281 9325748330 13151500562 18651496660 26303001124 32878751405 65757502810 77403711139 131515005620 154807422278 309614844556 387018555695 774037111390 1548074222780 6424508024537 12849016049074 25698032098148 32122540122685 64245080245370 128490160490740
• Sum of all divisors σ(n): 273399296554440
• Sum of proper divisors (its aliquot sum) s(n): 144909136063700
• 128490160490740 is an abundant number, because the sum of its proper divisors (144909136063700) is greater than itself. Its abundance is 16418975572960

Bases of 128490160490740

• Binary: 11101001101110001110010010111111000100011110100₂
• Hexadecimal: 0x74DC725F88F4
• Base-36: 19JNKC1DYS

Squares and roots of 128490160490740

• 128490160490740 squared (128490160490740²) is 16509721342936122477625747600
• 128490160490740 cubed (128490160490740³) is 2121336745011257898762201473913675377224000
• The square root of 128490160490740 is 11335350.0382978909
• The cube root of 128490160490740 is 50461.0895893359

Scales and comparisons

• 128,490,160,490,740 seconds is equal to 4,085,589 years, 34 weeks, 1 day, 7 hours, 25 minutes, 40 seconds.
• To count from 1 to 128,490,160,490,740 would take you about ten million, two hundred thirteen thousand, nine hundred seventy-four 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 128490160490740 cubic inches would be around 4205.1 feet tall.

Recreational maths with 128490160490740

• 128490160490740 backwards is 047094061094821
• The number of decimal digits it has is: 15
• The sum of 128490160490740's digits is 55
• More coming soon!