20996891 is an odd 8-digits prime number following 20996890
and preceding 20996892 . In scientific notation, it is written as 2.0996891 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 20996890 positive integers (up to 20996891) that are relatively prime to 20996891.
20996891 has 2 divisors, whose sum is 20996892
The reverse of 20996891 is 19869902
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
2.0996891 × 10^7
Engineering notation
2.0996891 × 10^6
Prime Factorization
20996891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20996891
Product of the distinct prime numbers
The prime factorization of 20996891 is 20996891.
Since it has a total of 1 prime factors.
9 , 9 , 74 , 42 , 334 , 654 , 7199 , 4074 , 51256 , 78321 , 854914 , 512548 , 7176195 , 9757819 , 85117494 , 91786325 , 589713114 , 217111449 , 2687028426 , 5942992399
n×2
41993782
n×3
62990673
n×4
83987564
n×5
104984455
n÷2
10498445.5
n÷3
6998963.6666667
n÷3
5249222.75
n÷5
4199378.2
n2
440869431665881
n3
9.2568874019205E+21
n4
1.943658557774E+29
n5
4.0810786878797E+36
2 √n
4582.2364626894
3 √n
275.87880189432
4 √n
67.692218627324
5 √n
29.136071803909
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20996892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10498446
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4582.2365718064
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999047478
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20996891 can be divided by 2 positive divisors.
The sum of these divisors (counting 20996891) is 20996892, the average is 10498446.
Base
System
Value
2
Binary
1010000000110001100011011
3
Ternary
1110111202022122
4
Quaternary
1100012030123
5
Quinary
20333400031
6
Senary
2030011455
8
Octal
120061433
10
Decimal
20996891
12
Duodecimal
7046b8b
16
Hexadecimal
140631b
20
Vigesimal
6b4c4b
36
Base36
ci1az
md5
d077c7f1e50d9842d61d7d5986a45581
sha1
b0c25ae86d420ceb033ffcb3823deb54bacd0df4
sha256
e050a0dee0e61306ffe2a476ab80e761daa341cc88897618aa4ec34027d2c4fb
sha512
714f343a3dbf448a4304e9b714591adf47e5c650cd780cf9d10963c505938ff8035656e768f13f6808762f882685a0c6e587d956fde1e5e78525abd3477c7194
ripemd-160
674288832d6d7cf9763d4796e5657704486a6951
Diameter
41993782
Circumference
131927357.02765
Area
1.3850321677138E+15
Volume
3.8775159275975E+22
Surface area
5.5401286708554E+15
Circumference
131927357.02765
Perimeter
83987564
Area
440869431665881
Diagonal
29694088.01987
Surface area
2645216589995286
Volume
9.2568874019205E+21
Space diagonal
36367682.012986
Perimeter
62990673
Area
1.9090206378733E+14
Altitude
18183841.006493
Surface area
1.9090206378733E+14
Volume
1.0909346424297E+21
Height
9898029.3399565