20797957 is an odd 8-digits composite number following 20797956
and preceding 20797958 . In scientific notation, it is written as 2.0797957 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 19829040 positive integers (up to 20797957) that are relatively prime to 20797957.
20797957 has 8 divisors, whose sum is 21772800
The reverse of 20797957 is 75979702
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million seven hundred ninety-seven thousand nine hundred fifty-seven
Scientific notation
2.0797957 × 10^7
Engineering notation
2.0797957 × 10^6
Prime Factorization
23 × 349 × 2591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20797957
Product of the distinct prime numbers
The prime factorization of 20797957 is 23 × 349 × 2591.
Since it has a total of 3 prime factors.
8 , 10 , 76 , 87 , 795 , 131 , 9198 , 3575 , 8363 , 42893 , 386503 , 84165 , 293895 , 2517210 , 74038862 , 11480560 , 7247891 , 219517512 , 5575393612 , 9361819058
n×2
41595914
n×3
62393871
n×4
83191828
n×5
103989785
n÷2
10398978.5
n÷3
6932652.3333333
n÷3
5199489.25
n÷5
4159591.4
n2
432555015373849
n3
8.9962606098797E+21
n4
1.8710384132507E+29
n5
3.8913776464136E+36
2 √n
4560.4777162047
3 √n
275.0047690633
4 √n
67.531309155123
5 √n
29.080651721318
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797956
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797957 can be divided by 8 positive divisors.
The sum of these divisors (counting 20797957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101101000000101
3
Ternary
1110010122102201
4
Quaternary
1033111220011
5
Quinary
20311013312
6
Senary
2021434501
8
Octal
117255005
10
Decimal
20797957
12
Duodecimal
6b6ba31
16
Hexadecimal
13d5a05
20
Vigesimal
69jehh
36
Base36
cdrt1
md5
d31b599b55cd756e1f6c2f8e48244a7d
sha1
af032d55c626099697fd5902d66ee8c92cea51ac
sha256
e090e30d29fbf82d18666e1316fec7273dc12721f7588b5448c2b8f8e964a75e
sha512
0bdf8ac83b486ac1f9dc77c39d0c4af68772fe65a049c8a409968811b2e66ddd9234e6ecb2295956a5b02e507c929e3b0354daa87df8bd8dcb8a05b4cf733a08
ripemd-160
106197491c5d3f3e1af909973c36e732f1e0c24a
Diameter
41595914
Circumference
130677417.84175
Area
1.3589116585719E+15
Volume
3.768344832237E+22
Surface area
5.4356466342876E+15
Circumference
130677417.84175
Perimeter
83191828
Area
432555015373849
Diagonal
29412752.859052
Surface area
2595330092243094
Volume
8.9962606098797E+21
Space diagonal
36023118.217633
Perimeter
62393871
Area
1.8730181592406E+14
Altitude
18011559.108816
Surface area
1.8730181592406E+14
Volume
1.0602194804279E+21
Height
9804250.9530175