20398972 is an even 8-digits composite number following 20398971
and preceding 20398973 . In scientific notation, it is written as 2.0398972 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9272240 positive integers (up to 20398972) that are relatively prime to 20398972.
20398972 has 12 divisors, whose sum is 38943576
The reverse of 20398972 is 27989302
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million three hundred ninety-eight thousand nine hundred seventy-two
Scientific notation
2.0398972 × 10^7
Engineering notation
2.0398972 × 10^6
Prime Factorization
2 × 2 × 11 × 463613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10199486
Product of the distinct prime numbers
The prime factorization of 20398972 is 2 × 2 × 11 × 463613.
Since it has a total of 4 prime factors.
4 , 9 , 23 , 19 , 254 , 140 , 1338 , 1456 , 51091 , 50824 , 307056 , 626110 , 7933452 , 2106591 , 73128939 , 53453878 , 73628625 , 177411065 , 6828510670 , 6900260894
n×2
40797944
n×3
61196916
n×4
81595888
n×5
101994860
n÷2
10199486
n÷3
6799657.3333333
n÷3
5099743
n÷5
4079794.4
n2
416118058656784
n3
8.4883806272341E+21
n4
1.7315423874029E+29
n5
3.5321684677445E+36
2 √n
4516.522113308
3 √n
273.23485182408
4 √n
67.205075056189
5 √n
28.968209746872
1 , 2 , 4 , 11 , 22 , 44 , 463613 , 927226 , 1854452 , 5099743 , 10199486 , 20398972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20398971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20398972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110100001101111100
3
Ternary
1102101101010111
4
Quaternary
1031310031330
5
Quinary
20210231342
6
Senary
2005115404
8
Octal
115641574
10
Decimal
20398972
12
Duodecimal
69b8b64
16
Hexadecimal
137437c
20
Vigesimal
679h8c
36
Base36
c57y4
md5
376f2f60514c504e75882f6325245b18
sha1
6921c9bb825ac9ff8afb50731f1985936938326c
sha256
80262315d0fc8c8f0cfe62e496a6b40386631ff7623400fea091fa194f049531
sha512
caa9f47b58fb5e022c96c4f9dcd43340ae643cb91fb489484dacc08a172c7867af71d98d9cb20b8722c3c612fd536a72d984c964bc1147c589003ba2be7dd173
ripemd-160
7dd23ca59b8d901df0750ad75b5683fc76455c9e
Diameter
40797944
Circumference
128170521.15197
Area
1.3072734361022E+15
Volume
3.5556045625857E+22
Surface area
5.2290937444088E+15
Circumference
128170521.15197
Perimeter
81595888
Area
416118058656784
Diagonal
28848502.860869
Surface area
2496708351940704
Volume
8.4883806272341E+21
Space diagonal
35332055.926175
Perimeter
61196916
Area
1.8018440488512E+14
Altitude
17666027.963087
Surface area
1.8018440488512E+14
Volume
1.0003652504683E+21
Height
9616167.6202897