40421187648

Names of 40421187648

• Cardinal: 40421187648 can be written as Forty billion, four hundred twenty-one million, one hundred eighty-seven thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 4.0421187648 × 10¹⁰

Factors of 40421187648

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2599104

Divisors of 40421187648

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 864 972 1296 1728 1944 2592 3888 5184 7776 15552 2599099 5198198 7797297 10396396 15594594 20792792 23391891 31189188 41585584 46783782 62378376 70175673 83171168 93567564 124756752 140351346 166342336 187135128 210527019 249513504 280702692 374270256 421054038 499027008 561405384 631581057 748540512 842108076 1122810768 1263162114 1497081024 1684216152 2245621536 2526324228 3368432304 4491243072 5052648456 6736864608 10105296912 13473729216 20210593824 40421187648
• Sum of all divisors σ(n): 120151194800
• Sum of proper divisors (its aliquot sum) s(n): 79730007152
• 40421187648 is an abundant number, because the sum of its proper divisors (79730007152) is greater than itself. Its abundance is 39308819504

Bases of 40421187648

• Binary: 100101101001010010100110000001000000₂
• Hexadecimal: 0x9694A6040
• Base-36: IKHQC00

Squares and roots of 40421187648

• 40421187648 squared (40421187648²) is 1633872410874827771904
• 40421187648 cubed (40421187648³) is 66043063312861569207813326241792
• The square root of 40421187648 is 201050.2117581575
• The cube root of 40421187648 is 3431.9136855401

Scales and comparisons

• 40,421,187,648 seconds is equal to 1,285 years, 13 weeks, 6 days, 19 hours, 40 minutes, 48 seconds.
• To count from 1 to 40,421,187,648 would take you about two thousand, five hundred seventy 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 40421187648 cubic inches would be around 286 feet tall.

Recreational maths with 40421187648

• 40421187648 backwards is 84678112404
• The number of decimal digits it has is: 11
• The sum of 40421187648's digits is 45
• More coming soon!