20398907 is an odd 8-digits composite number following 20398906
and preceding 20398908 . In scientific notation, it is written as 2.0398907 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 19511976 positive integers (up to 20398907) that are relatively prime to 20398907.
20398907 has 4 divisors, whose sum is 21285840
The reverse of 20398907 is 70989302
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred ninety-eight thousand nine hundred seven
Scientific notation
2.0398907 × 10^7
Engineering notation
2.0398907 × 10^6
Prime Factorization
23 × 886909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20398907
Product of the distinct prime numbers
The prime factorization of 20398907 is 23 × 886909.
Since it has a total of 2 prime factors.
7 , 9 , 29 , 94 , 860 , 817 , 1346 , 7594 , 10963 , 80509 , 843778 , 73823 , 4385594 , 9723904 , 65332279 , 2265138 , 262328108 , 340719421 , 7460637915 , 9358765950
n×2
40797814
n×3
61196721
n×4
81595628
n×5
101994535
n÷2
10199453.5
n÷3
6799635.6666667
n÷3
5099726.75
n÷5
4079781.4
n2
416115406794649
n3
8.4882994844712E+21
n4
1.7315203177188E+29
n5
3.5321121929755E+36
2 √n
4516.5149175
3 √n
273.23456160873
4 √n
67.205021519973
5 √n
28.968191285785
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
-20398906
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 20398907 can be divided by 4 positive divisors.
The sum of these divisors (counting 20398907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110100001100111011
3
Ternary
1102101101001002
4
Quaternary
1031310030323
5
Quinary
20210231112
6
Senary
2005115215
8
Octal
115641473
10
Decimal
20398907
12
Duodecimal
69b8b0b
16
Hexadecimal
137433b
20
Vigesimal
679h57
36
Base36
c57wb
md5
923783d73b5969910673ea6a5df82c22
sha1
6b8c6ffab535b78438f504d47058030f3a16e7a0
sha256
a04c0cd872e6d6230a7ef03f370339d8b4e67b22bf4e706ad52e2ed6a160f85f
sha512
abad6a93b60489334cde6638e283f46b9408bf384948abf348da5b8e49676f0ed9c7e24784d8140acfbedd93d810a95aa3d62eaa8d1bae2f817bd03a9a8d5705
ripemd-160
a64bc876720d76df2040d33010efc826d49041ab
Diameter
40797814
Circumference
128170112.74492
Area
1.3072651050316E+15
Volume
3.5555705735846E+22
Surface area
5.2290604201264E+15
Circumference
128170112.74492
Perimeter
81595628
Area
416115406794649
Diagonal
28848410.936987
Surface area
2496692440767894
Volume
8.4882994844712E+21
Space diagonal
35331943.342872
Perimeter
61196721
Area
1.8018325659513E+14
Altitude
17665971.671436
Surface area
1.8018325659513E+14
Volume
1.000355687702E+21
Height
9616136.9789958