20157631 is an odd 8-digits composite number following 20157630
and preceding 20157632 . In scientific notation, it is written as 2.0157631 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 17385984 positive integers (up to 20157631) that are relatively prime to 20157631.
20157631 has 16 divisors, whose sum is 23151744
The reverse of 20157631 is 13675102
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty-seven thousand six hundred thirty-one
Scientific notation
2.0157631 × 10^7
Engineering notation
2.0157631 × 10^6
Prime Factorization
13 × 17 × 197 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20157631
Product of the distinct prime numbers
The prime factorization of 20157631 is 13 × 17 × 197 × 463.
Since it has a total of 4 prime factors.
3 , 5 , 26 , 97 , 952 , 280 , 9176 , 9301 , 27406 , 64755 , 144676 , 82990 , 3578544 , 8583252 , 66250337 , 42758354 , 136309041 , 155797014 , 9994658079 , 4566899889
n×2
40315262
n×3
60472893
n×4
80630524
n×5
100788155
n÷2
10078815.5
n÷3
6719210.3333333
n÷3
5039407.75
n÷5
4031526.2
n2
406330087532161
n3
8.190651968671E+21
n4
1.6510414003389E+29
n5
3.3281083313756E+36
2 √n
4489.7250472607
3 √n
272.1530235762
4 √n
67.005410581987
5 √n
28.899338248152
1 , 13 , 17 , 197 , 221 , 463 , 2561 , 3349 , 6019 , 7871 , 43537 , 91211 , 102323 , 1185743 , 1550587 , 20157631
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
-20157630
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 20157631 can be divided by 16 positive divisors.
The sum of these divisors (counting 20157631) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001010010111111
3
Ternary
1101221010001221
4
Quaternary
1030321102333
5
Quinary
20130021011
6
Senary
2000014211
8
Octal
114712277
10
Decimal
20157631
12
Duodecimal
6901367
16
Hexadecimal
13394bf
20
Vigesimal
65je1b
36
Base36
c01q7
md5
59aaf8f2ebb8029c74404191e68d42a0
sha1
afe5e38e622bb8fb4440a26c7b3d86d78db08df0
sha256
7fe5ce003cc0fbde286e5c320482e6cea9391bfcf31434428b72ac2f7e718d5f
sha512
7b991b534f68a0453215ebfcab9757aa2d2f4e82230ad2f0474f63064a282f7d6bd0e01295c38cb368f41125637b74a06bd1e48bd68f1c8b6e92d281988d015a
ripemd-160
40533cbc78cc4923aafcffd611efd2df5a56dd4a
Diameter
40315262
Circumference
126654130.92675
Area
1.2765236179235E+15
Volume
3.4308922737183E+22
Surface area
5.1060944716941E+15
Circumference
126654130.92675
Perimeter
80630524
Area
406330087532161
Diagonal
28507195.145512
Surface area
2437980525192966
Volume
8.190651968671E+21
Space diagonal
34914041.052225
Perimeter
60472893
Area
1.759460890624E+14
Altitude
17457020.526113
Surface area
1.759460890624E+14
Volume
9.6527759156437E+20
Height
9502398.3818374