20401680416

Names of 20401680416

• Cardinal: 20401680416 can be written as Twenty billion, four hundred one million, six hundred eighty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.0401680416 × 10¹⁰

Factors of 20401680416

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 78038

Divisors of 20401680416

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 37 52 68 74 104 136 148 208 221 272 296 416 442 481 544 592 629 884 962 1184 1258 1768 1924 2516 3536 3848 5032 7072 7696 8177 10064 15392 16354 20128 32708 65416 77969 130832 155938 261664 311876 623752 1013597 1247504 1325473 2027194 2495008 2650946 2884853 4054388 5301892 5769706 8108776 10603784 11539412 16217552 17231149 21207568 23078824 32435104 34462298 37503089 42415136 46157648 49042501 68924596 75006178 92315296 98085002 137849192 150012356 196170004 275698384 300024712 392340008 551396768 600049424 637552513 784680016 1200098848 1275105026 1569360032 2550210052 5100420104 10200840208 20401680416
• Sum of all divisors σ(n): 47038365360
• Sum of proper divisors (its aliquot sum) s(n): 26636684944
• 20401680416 is an abundant number, because the sum of its proper divisors (26636684944) is greater than itself. Its abundance is 6235004528

Bases of 20401680416

• Binary: 10011000000000010001111000000100000₂
• Hexadecimal: 0x4C008F020
• Base-36: 9DEMTCW

Squares and roots of 20401680416

• 20401680416 squared (20401680416²) is 416228563796597933056
• 20401680416 cubed (20401680416³) is 8491762138588858658254674231296
• The square root of 20401680416 is 142834.4510823631
• The cube root of 20401680416 is 2732.4694395133

Scales and comparisons

• 20,401,680,416 seconds is equal to 648 years, 36 weeks, 6 days, 13 hours, 26 minutes, 56 seconds.
• To count from 1 to 20,401,680,416 would take you about one thousand, two hundred ninety-seven 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 20401680416 cubic inches would be around 227.7 feet tall.

Recreational maths with 20401680416

• 20401680416 backwards is 61408610402
• 20401680416 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20401680416's digits is 32
• More coming soon!