20408870400

Names of 20408870400

• Cardinal: 20408870400 can be written as Twenty billion, four hundred eight million, eight hundred seventy thousand, four hundred.

Scientific notation

• Scientific notation: 2.04088704 × 10¹⁰

Factors of 20408870400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 531491

Divisors of 20408870400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 512 600 640 768 800 960 1200 1280 1536 1600 1920 2400 2560 3200 3840 4800 6400 7680 9600 12800 19200 38400 531481 1062962 1594443 2125924 2657405 3188886 4251848 5314810 6377772 7972215 8503696 10629620 12755544 13287025 15944430 17007392 21259240 25511088 26574050 31888860 34014784 39861075 42518480 51022176 53148100 63777720 68029568 79722150 85036960 102044352 106296200 127555440 136059136 159444300 170073920 204088704 212592400 255110880 272118272 318888600 340147840 408177408 425184800 510221760 637777200 680295680 816354816 850369600 1020443520 1275554400 1360591360 1700739200 2040887040 2551108800 3401478400 4081774080 5102217600 6802956800 10204435200 20408870400
• Sum of all divisors σ(n): 67419554664
• Sum of proper divisors (its aliquot sum) s(n): 47010684264
• 20408870400 is an abundant number, because the sum of its proper divisors (47010684264) is greater than itself. Its abundance is 26601813864

Bases of 20408870400

• Binary: 10011000000011101101010011000000000₂
• Hexadecimal: 0x4C076A600
• Base-36: 9DIWX6O

Squares and roots of 20408870400

• 20408870400 squared (20408870400²) is 416521991003996160000
• 20408870400 cubed (20408870400³) is 8500743333150523511537664000000
• The square root of 20408870400 is 142859.6178071327
• The cube root of 20408870400 is 2732.7903951675

Scales and comparisons

• 20,408,870,400 seconds is equal to 648 years, 48 weeks, 5 days, 18 hours, 40 minutes.
• To count from 1 to 20,408,870,400 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 20408870400 cubic inches would be around 227.7 feet tall.

Recreational maths with 20408870400

• 20408870400 backwards is 00407880402
• The number of decimal digits it has is: 11
• The sum of 20408870400's digits is 33
• More coming soon!