21000392 is an even 8-digits composite number following 21000391
and preceding 21000393 . In scientific notation, it is written as 2.1000392 × 10^7.
The sum of its digits is 17. It has a total of 6 prime factors and 32 positive divisors.
There are 8709120 positive integers (up to 21000392) that are relatively prime to 21000392.
21000392 has 32 divisors, whose sum is 46456320
The reverse of 21000392 is 29300012
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million three hundred ninety-two
Scientific notation
2.1000392 × 10^7
Engineering notation
2.1000392 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 31 × 12097
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5250098
Product of the distinct prime numbers
The prime factorization of 21000392 is 2 × 2 × 2 × 7 × 31 × 12097.
Since it has a total of 6 prime factors.
7 , 2 , 85 , 32 , 234 , 187 , 4943 , 1654 , 77496 , 60611 , 999906 , 848318 , 715345 , 2767624 , 30819336 , 91216851 , 848955359 , 30747870 , 5738409260 , 6904810028
n×2
42000784
n×3
63001176
n×4
84001568
n×5
105001960
n÷2
10500196
n÷3
7000130.6666667
n÷3
5250098
n÷5
4200078.4
n2
441016464153664
n3
9.2615186256809E+21
n4
1.944955216546E+29
n5
4.0844821969911E+36
2 √n
4582.6184654627
3 √n
275.89413429136
4 √n
67.695040183626
5 √n
29.137043362839
1 , 2 , 4 , 7 , 8 , 14 , 28 , 31 , 56 , 62 , 124 , 217 , 248 , 434 , 868 , 1736 , 12097 , 24194 , 48388 , 84679 , 96776 , 169358 , 338716 , 375007 , 677432 , 750014 , 1500028 , 2625049 , 3000056 , 5250098 , 10500196 , 21000392
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000391
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000392 can be divided by 32 positive divisors.
The sum of these divisors (counting 21000392) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000111000011001000
3
Ternary
1110111221010022
4
Quaternary
1100013003020
5
Quinary
20334003032
6
Senary
2030040012
8
Octal
120070310
10
Decimal
21000392
12
Duodecimal
7049008
16
Hexadecimal
14070c8
20
Vigesimal
6b50jc
36
Base36
ci408
md5
883f47c758e52193ce37f335276d5a46
sha1
c21b7dae0ec52d1fca8a3349764237086e3d0fb8
sha256
867ca6109e7f4af6530fd31318865adce2b81d46f6079174fdbe3491b90e4522
sha512
bad7a847e589f3a34059de71f0ffd93d9b1bb4ec4d79f0245e721e7e86da9c39f606ff5954bf4bf65136fdcde14730ac3728edc35ce5644dd6d7dbb64eb3b40c
ripemd-160
87d1c3c3af729ba55c728300e472f04d4cc636f4
Diameter
42000784
Circumference
131949354.45941
Area
1.3854940838973E+15
Volume
3.8794558500699E+22
Surface area
5.5419763355892E+15
Circumference
131949354.45941
Perimeter
84001568
Area
441016464153664
Diagonal
29699039.181551
Surface area
2646098784921984
Volume
9.2615186256809E+21
Space diagonal
36373745.922863
Perimeter
63001176
Area
1.9096573072213E+14
Altitude
18186872.961431
Surface area
1.9096573072213E+14
Volume
1.0914804373841E+21
Height
9899679.7271838