20157090 is an even 8-digits composite number following 20157089
and preceding 20157091 . In scientific notation, it is written as 2.0157090 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 5375216 positive integers (up to 20157090) that are relatively prime to 20157090.
20157090 has 16 divisors, whose sum is 48377088
The reverse of 20157090 is 09075102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred fifty-seven thousand ninety
Scientific notation
2.0157090 × 10^7
Engineering notation
2.0157090 × 10^6
Prime Factorization
2 × 3 × 5 × 671903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20157090
Product of the distinct prime numbers
The prime factorization of 20157090 is 2 × 3 × 5 × 671903.
Since it has a total of 4 prime factors.
9 , 10 , 63 , 36 , 874 , 689 , 3075 , 3316 , 10597 , 18138 , 43835 , 294268 , 5667048 , 9935767 , 83684051 , 69111736 , 99003531 , 16162116 , 479932847 , 229594624
n×2
40314180
n×3
60471270
n×4
80628360
n×5
100785450
n÷2
10078545
n÷3
6719030
n÷3
5039272.5
n÷5
4031418
n2
406308277268100
n3
8.189992512638E+21
n4
1.6508641617657E+29
n5
3.3276617486486E+36
2 √n
4489.6647981781
3 √n
272.15058883072
4 √n
67.004960996766
5 √n
28.899183123675
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 671903 , 1343806 , 2015709 , 3359515 , 4031418 , 6719030 , 10078545 , 20157090
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157090 can be divided by 16 positive divisors.
The sum of these divisors (counting 20157090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001001010100010
3
Ternary
1101221002022220
4
Quaternary
1030321022202
5
Quinary
20130011330
6
Senary
2000011510
8
Octal
114711242
10
Decimal
20157090
12
Duodecimal
6900b96
16
Hexadecimal
13392a2
20
Vigesimal
65jcea
36
Base36
c01b6
md5
7a328e9eb8cc823701eb186e530a2707
sha1
ee9f4d09ce5645052f2860d5b114c637450919b4
sha256
92fe0ea91f1234fa1147050e8e72ffbe6b49723646eabf712df3682eabf6e7cf
sha512
42fbedd6728ed6063d4daf58983c4320c1941470450d940b5ce39fc1311a00ee1aef8337bb025b48443fabb25ac7b77c6978dd675f9311bfa5afa143731c3d1e
ripemd-160
75590ea7ee95fea079008832f2259a87add0eefa
Diameter
40314180
Circumference
126650731.7235
Area
1.2764550989582E+15
Volume
3.4306160414212E+22
Surface area
5.1058203958328E+15
Circumference
126650731.7235
Perimeter
80628360
Area
406308277268100
Diagonal
28506430.055975
Surface area
2437849663608600
Volume
8.189992512638E+21
Space diagonal
34913104.012739
Perimeter
60471270
Area
1.7593664494103E+14
Altitude
17456552.006369
Surface area
1.7593664494103E+14
Volume
9.6519987392557E+20
Height
9502143.3519917