6421012400

Names of 6421012400

• Cardinal: 6421012400 can be written as Six billion, four hundred twenty-one million, twelve thousand, four hundred.

Scientific notation

• Scientific notation: 6.4210124 × 10⁹

Factors of 6421012400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3340

Divisors of 6421012400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 521 550 880 1042 1100 2084 2200 2605 2801 4168 4400 5210 5602 5731 8336 10420 11204 11462 13025 14005 20840 22408 22924 26050 28010 28655 30811 41680 44816 45848 52100 56020 57310 61622 70025 91696 104200 112040 114620 123244 140050 143275 154055 208400 224080 229240 246488 280100 286550 308110 458480 492976 560200 573100 616220 770275 1120400 1146200 1232440 1459321 1540550 2292400 2464880 2918642 3081100 5837284 6162200 7296605 11674568 12324400 14593210 16052531 23349136 29186420 32105062 36483025 58372840 64210124 72966050 80262655 116745680 128420248 145932100 160525310 256840496 291864200 321050620 401313275 583728400 642101240 802626550 1284202480 1605253100 3210506200 6421012400
• Sum of all divisors σ(n): 16867210608
• Sum of proper divisors (its aliquot sum) s(n): 10446198208
• 6421012400 is an abundant number, because the sum of its proper divisors (10446198208) is greater than itself. Its abundance is 4025185808

Bases of 6421012400

• Binary: 101111110101110001101111110110000₂
• Hexadecimal: 0x17EB8DFB0
• Base-36: 2Y6WKVK

Squares and roots of 6421012400

• 6421012400 squared (6421012400²) is 41229400240953760000
• 6421012400 cubed (6421012400³) is 264734490191727080786624000000
• The square root of 6421012400 is 80131.2198833887
• The cube root of 6421012400 is 1858.6652079875

Scales and comparisons

• 6,421,012,400 seconds is equal to 204 years, 8 weeks, 5 days, 6 hours, 33 minutes, 20 seconds.
• To count from 1 to 6,421,012,400 would take you about four hundred eight 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 6421012400 cubic inches would be around 154.9 feet tall.

Recreational maths with 6421012400

• 6421012400 backwards is 0042101246
• 6421012400 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6421012400's digits is 20
• More coming soon!