20157247 is an odd 8-digits composite number following 20157246
and preceding 20157248 . In scientific notation, it is written as 2.0157247 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 18324760 positive integers (up to 20157247) that are relatively prime to 20157247.
20157247 has 4 divisors, whose sum is 21989736
The reverse of 20157247 is 74275102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred fifty-seven thousand two hundred forty-seven
Scientific notation
2.0157247 × 10^7
Engineering notation
2.0157247 × 10^6
Prime Factorization
11 × 1832477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20157247
Product of the distinct prime numbers
The prime factorization of 20157247 is 11 × 1832477.
Since it has a total of 2 prime factors.
4 , 7 , 75 , 62 , 47 , 877 , 5403 , 3191 , 73702 , 90071 , 778932 , 224214 , 886283 , 7126481 , 21317682 , 9704219 , 172674211 , 166799688 , 3109919694 , 7842966063
n×2
40314494
n×3
60471741
n×4
80628988
n×5
100786235
n÷2
10078623.5
n÷3
6719082.3333333
n÷3
5039311.75
n÷5
4031449.4
n2
406314606619009
n3
8.1901838853272E+21
n4
1.6509155955196E+29
n5
3.3277913435041E+36
2 √n
4489.6822827456
3 √n
272.15129540645
4 √n
67.005091468825
5 √n
28.899228141657
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
-20157246
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 20157247 can be divided by 4 positive divisors.
The sum of these divisors (counting 20157247) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001001100111111
3
Ternary
1101221002112201
4
Quaternary
1030321030333
5
Quinary
20130012442
6
Senary
2000012331
8
Octal
114711477
10
Decimal
20157247
12
Duodecimal
69010a7
16
Hexadecimal
133933f
20
Vigesimal
65jd27
36
Base36
c01fj
md5
771b7976b49410a8f011d437e0070c1e
sha1
90e92a719fd232a59f64bd21681b0c3b31f2f883
sha256
63cfa62b015a86be08ce8cf325892c4001cf696f8f14aafc4c709907eba7a634
sha512
15f8d0f26a3bd6a47e99bb197e758701465abf15814db4050a0b7cb51430a8631cf9c7e2bd922de4c40960fa39424dea232ba2beea992b4e7983f13850c554b9
ripemd-160
954e1b61b3596b6f0533b332499c5ddce5688616
Diameter
40314494
Circumference
126651718.18359
Area
1.2764749832005E+15
Volume
3.4306962034258E+22
Surface area
5.105899932802E+15
Circumference
126651718.18359
Perimeter
80628988
Area
406314606619009
Diagonal
28506652.087504
Surface area
2437887639714054
Volume
8.1901838853272E+21
Space diagonal
34913375.944715
Perimeter
60471741
Area
1.7593938563037E+14
Altitude
17456687.972358
Surface area
1.7593938563037E+14
Volume
9.6522242741327E+20
Height
9502217.3625015