20856961 is an odd 8-digits prime number following 20856960
and preceding 20856962 . In scientific notation, it is written as 2.0856961 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20856960 positive integers (up to 20856961) that are relatively prime to 20856961.
20856961 has 2 divisors, whose sum is 20856962
The reverse of 20856961 is 16965802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred fifty-six thousand nine hundred sixty-one
Scientific notation
2.0856961 × 10^7
Engineering notation
2.0856961 × 10^6
Prime Factorization
20856961
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20856961
Product of the distinct prime numbers
The prime factorization of 20856961 is 20856961.
Since it has a total of 1 prime factors.
9 , 7 , 6 , 63 , 142 , 763 , 1924 , 7565 , 19095 , 87619 , 465809 , 705621 , 1975273 , 2288151 , 38578994 , 88328589 , 764794274 , 971973092 , 6130826968 , 3810000670
n×2
41713922
n×3
62570883
n×4
83427844
n×5
104284805
n÷2
10428480.5
n÷3
6952320.3333333
n÷3
5214240.25
n÷5
4171392.2
n2
435012822155521
n3
9.0730454661976E+21
n4
1.8923615543971E+29
n5
3.946891113796E+36
2 √n
4566.9421936346
3 √n
275.26458722291
4 √n
67.579155023088
5 √n
29.097133444989
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20856962
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10428481
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4566.942303117
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999041088
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856961 can be divided by 2 positive divisors.
The sum of these divisors (counting 20856961) is 20856962, the average is 10428481.
Base
System
Value
2
Binary
1001111100100000010000001
3
Ternary
1110020122101001
4
Quaternary
1033210002001
5
Quinary
20314410321
6
Senary
2023012001
8
Octal
117440201
10
Decimal
20856961
12
Duodecimal
6b9a001
16
Hexadecimal
13e4081
20
Vigesimal
6a7281
36
Base36
cf1c1
md5
e5028c9623fae1531b817e0a85b494d8
sha1
20dfb33e9befc99372150b5d4dad4a708a1b1cdf
sha256
76a93d9596ba0894cda396f751fe1e44dc55a2d378a5b18214ed4e2ef78439f6
sha512
cdba77ddb990f43f9d395b9139b4295f48becf4de4290808a537aa8e2bab531b7d6c13f86d053a1a89c2a56cbd068610c5e6e9e836e09c5323ec327805fb85ff
ripemd-160
264177319a8f671c6c42f7a4def1183fbcf1504a
Diameter
41713922
Circumference
131048150.90762
Area
1.3666330863011E+15
Volume
3.800508397639E+22
Surface area
5.4665323452046E+15
Circumference
131048150.90762
Perimeter
83427844
Area
435012822155521
Diagonal
29496197.116087
Surface area
2610076932933126
Volume
9.0730454661976E+21
Space diagonal
36125316.143483
Perimeter
62570883
Area
1.8836607747932E+14
Altitude
18062658.071741
Surface area
1.8836607747932E+14
Volume
1.069268662527E+21
Height
9832065.7053622