20157998 is an even 8-digits composite number following 20157997
and preceding 20157999 . In scientific notation, it is written as 2.0157998 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 8360280 positive integers (up to 20157998) that are relatively prime to 20157998.
20157998 has 8 divisors, whose sum is 30376992
The reverse of 20157998 is 89975102
Previous prime number is 217
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred fifty-seven thousand nine hundred ninety-eight
Scientific notation
2.0157998 × 10^7
Engineering notation
2.0157998 × 10^6
Prime Factorization
2 × 217 × 46447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20157998
Product of the distinct prime numbers
The prime factorization of 20157998 is 2 × 217 × 46447.
Since it has a total of 3 prime factors.
9 , 7 , 28 , 94 , 415 , 616 , 6354 , 6136 , 39231 , 90400 , 990770 , 62690 , 3166146 , 1825744 , 33369065 , 35308643 , 69725652 , 164800133 , 4534972098 , 3195129493
n×2
40315996
n×3
60473994
n×4
80631992
n×5
100789990
n÷2
10078999
n÷3
6719332.6666667
n÷3
5039499.5
n÷5
4031599.6
n2
406344883368004
n3
8.1910993462425E+21
n4
1.6511616423936E+29
n5
3.3284113085046E+36
2 √n
4489.7659181744
3 √n
272.15467521793
4 √n
67.005715563483
5 √n
28.899443478572
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
-20157997
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 20157998 can be divided by 8 positive divisors.
The sum of these divisors (counting 20157998) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001011000101110
3
Ternary
1101221010120112
4
Quaternary
1030321120232
5
Quinary
20130023443
6
Senary
2000020022
8
Octal
114713056
10
Decimal
20157998
12
Duodecimal
6901612
16
Hexadecimal
133962e
20
Vigesimal
65jeji
36
Base36
c020e
md5
ef5ced4530807c2bde6662bd29f12ca3
sha1
462dec464893358f9f522659db4a6fa593ecf1f6
sha256
9c9c678e8b274e3e0259afba0a128af333f6e1e82021db7bdb4a7cf451d3361f
sha512
9e599e1d30e9f2ef2de3f7069e68d79c6f1765137bcc88ebe11469a34558d698b066f00b77a357a6a4e96ccf3135d9a36afb5d1de71168b027ce8c99938dd1c7
ripemd-160
957cc56541c8c1fad36d4b715cfdd76ba3a5552b
Diameter
40315996
Circumference
126656436.85576
Area
1.2765701004127E+15
Volume
3.4310796707973E+22
Surface area
5.1062804016509E+15
Circumference
126656436.85576
Perimeter
80631992
Area
406344883368004
Diagonal
28507714.16189
Surface area
2438069300208024
Volume
8.1910993462425E+21
Space diagonal
34914676.714872
Perimeter
60473994
Area
1.7595249584726E+14
Altitude
17457338.357436
Surface area
1.7595249584726E+14
Volume
9.6533031551679E+20
Height
9502571.3872966