20157730 is an even 8-digits composite number following 20157729
and preceding 20157731 . In scientific notation, it is written as 2.0157730 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 7987312 positive integers (up to 20157730) that are relatively prime to 20157730.
20157730 has 16 divisors, whose sum is 36624960
The reverse of 20157730 is 03775102
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty-seven thousand seven hundred thirty
Scientific notation
2.0157730 × 10^7
Engineering notation
2.0157730 × 10^6
Prime Factorization
2 × 5 × 107 × 18839
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20157730
Product of the distinct prime numbers
The prime factorization of 20157730 is 2 × 5 × 107 × 18839.
Since it has a total of 4 prime factors.
2 , 7 , 73 , 8 , 249 , 601 , 5551 , 5689 , 19228 , 54824 , 979432 , 93783 , 7997916 , 7755760 , 50164887 , 36787505 , 728336156 , 792284778 , 647465344 , 9052137187
n×2
40315460
n×3
60473190
n×4
80630920
n×5
100788650
n÷2
10078865
n÷3
6719243.3333333
n÷3
5039432.5
n÷5
4031546
n2
406334078752900
n3
8.1907726492997E+21
n4
1.6510738355597E+29
n5
3.3281900587276E+36
2 √n
4489.7360724212
3 √n
272.15346911641
4 √n
67.00549285261
5 √n
28.89936663471
1 , 2 , 5 , 10 , 107 , 214 , 535 , 1070 , 18839 , 37678 , 94195 , 188390 , 2015773 , 4031546 , 10078865 , 20157730
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
-20157729
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 20157730 can be divided by 16 positive divisors.
The sum of these divisors (counting 20157730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001010100100010
3
Ternary
1101221010012121
4
Quaternary
1030321110202
5
Quinary
20130021410
6
Senary
2000014454
8
Octal
114712442
10
Decimal
20157730
12
Duodecimal
690142a
16
Hexadecimal
1339522
20
Vigesimal
65je6a
36
Base36
c01sy
md5
5cda9e456a988a0422700210ced20154
sha1
8363be659d197718c7895ca2b175bc7470075d00
sha256
74022a6bc3709dae8bd0611f60c741df9fcd20e849fc7bba1d0def734e4b3b6e
sha512
eb2f48fff843d403a808bb481e9f56667fa39eca90ba54b04e35730a2a029fe60926de59874aa735c6c236b73b0708b198ea98236076274978d76ba45d9292ac
ripemd-160
2b5edd2b504979c92d466d3689f9c57ede17d076
Diameter
40315460
Circumference
126654752.96209
Area
1.2765361567133E+15
Volume
3.4309428243019E+22
Surface area
5.1061446268531E+15
Circumference
126654752.96209
Perimeter
80630920
Area
406334078752900
Diagonal
28507335.152655
Surface area
2438004472517400
Volume
8.1907726492997E+21
Space diagonal
34914212.525255
Perimeter
60473190
Area
1.7594781731168E+14
Altitude
17457106.262628
Surface area
1.7594781731168E+14
Volume
9.6529181391285E+20
Height
9502445.050885