20413440

Names of 20413440

• Cardinal: 20413440 can be written as Twenty million, four hundred thirteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.041344 × 10⁷

Factors of 20413440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 453

Divisors of 20413440

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 443 480 512 576 640 720 768 886 960 1024 1152 1280 1329 1440 1536 1772 1920 2215 2304 2560 2658 2880 3072 3544 3840 3987 4430 4608 5120 5316 5760 6645 7088 7680 7974 8860 9216 10632 11520 13290 14176 15360 15948 17720 19935 21264 23040 26580 28352 31896 35440 39870 42528 46080 53160 56704 63792 70880 79740 85056 106320 113408 127584 141760 159480 170112 212640 226816 255168 283520 318960 340224 425280 453632 510336 567040 637920 680448 850560 1020672 1134080 1275840 1360896 1701120 2041344 2268160 2551680 3402240 4082688 5103360 6804480 10206720 20413440
• Sum of all divisors σ(n): 70891704
• Sum of proper divisors (its aliquot sum) s(n): 50478264
• 20413440 is an abundant number, because the sum of its proper divisors (50478264) is greater than itself. Its abundance is 30064824

Bases of 20413440

• Binary: 1001101110111110000000000₂
• Hexadecimal: 0x1377C00
• Base-36: C5J40

Squares and roots of 20413440

• 20413440 squared (20413440²) is 416708532633600
• 20413440 cubed (20413440³) is 8506454628404035584000
• The square root of 20413440 is 4518.1235042879
• The cube root of 20413440 is 273.2994339609

Scales and comparisons

• 20,413,440 seconds is equal to 33 weeks, 5 days, 6 hours, 24 minutes.
• To count from 1 to 20,413,440 would take you about fifty weeks!

  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 20413440 cubic inches would be around 22.8 feet tall.

Recreational maths with 20413440

• 20413440 backwards is 04431402
• 20413440 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20413440's digits is 18
• More coming soon!