20996915 is an odd 8-digits composite number following 20996914
and preceding 20996916 . In scientific notation, it is written as 2.0996915 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 16797528 positive integers (up to 20996915) that are relatively prime to 20996915.
20996915 has 4 divisors, whose sum is 25196304
The reverse of 20996915 is 51969902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred ninety-six thousand nine hundred fifteen
Scientific notation
2.0996915 × 10^7
Engineering notation
2.0996915 × 10^6
Prime Factorization
5 × 4199383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20996915
Product of the distinct prime numbers
The prime factorization of 20996915 is 5 × 4199383.
Since it has a total of 2 prime factors.
5 , 10 , 17 , 44 , 780 , 917 , 4408 , 8366 , 38877 , 87382 , 198129 , 346896 , 4331371 , 1866031 , 81009574 , 89604350 , 426871858 , 430991178 , 9992388055 , 4061037730
n×2
41993830
n×3
62990745
n×4
83987660
n×5
104984575
n÷2
10498457.5
n÷3
6998971.6666667
n÷3
5249228.75
n÷5
4199383
n2
440870439517225
n3
9.2569191445558E+21
n4
1.9436674444011E+29
n5
4.0811020118357E+36
2 √n
4582.2390814972
3 √n
275.87890700652
4 √n
67.692237970813
5 √n
29.136078464566
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20996914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20996915 can be divided by 4 positive divisors.
The sum of these divisors (counting 20996915) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110001100110011
3
Ternary
1110111202100112
4
Quaternary
1100012030303
5
Quinary
20333400130
6
Senary
2030011535
8
Octal
120061463
10
Decimal
20996915
12
Duodecimal
7046bab
16
Hexadecimal
1406333
20
Vigesimal
6b4c5f
36
Base36
ci1bn
md5
e294d44d2ecea5aba82a9170b34d2ca6
sha1
39e4d7ad3c567dc73fcb4167865444b7f78e14fe
sha256
f60f0d70bb95a6d2862e7daae6cf77f781bef3ff8f3b223756c753dba0cf330f
sha512
2cd4e491536e05308718dd52e790bb41add77449aeca8703a26c33d6752fc2f25a061d1edaaa7c37590ac984e24940fa25b72d3585fc3bbe67b51665ca644c96
ripemd-160
ea19d6821bfc26585a2bb6f5080f42008f12c422
Diameter
41993830
Circumference
131927507.8241
Area
1.3850353339722E+15
Volume
3.8775292239215E+22
Surface area
5.5401413358889E+15
Circumference
131927507.8241
Perimeter
83987660
Area
440870439517225
Diagonal
29694121.960995
Surface area
2645222637103350
Volume
9.2569191445558E+21
Space diagonal
36367723.582205
Perimeter
62990745
Area
1.9090250019976E+14
Altitude
18183861.791103
Surface area
1.9090250019976E+14
Volume
1.0909383833352E+21
Height
9898040.653665