20187957 is an odd 8-digits composite number following 20187956
and preceding 20187958 . In scientific notation, it is written as 2.0187957 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13172192 positive integers (up to 20187957) that are relatively prime to 20187957.
20187957 has 8 divisors, whose sum is 27490176
The reverse of 20187957 is 75978102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred eighty-seven thousand nine hundred fifty-seven
Scientific notation
2.0187957 × 10^7
Engineering notation
2.0187957 × 10^6
Prime Factorization
3 × 47 × 143177
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20187957
Product of the distinct prime numbers
The prime factorization of 20187957 is 3 × 47 × 143177.
Since it has a total of 3 prime factors.
8 , 1 , 72 , 8 , 847 , 951 , 4873 , 399 , 10116 , 16553 , 767730 , 731187 , 2477607 , 6842641 , 60993282 , 98641306 , 188416023 , 244219813 , 2423727035 , 85630640
n×2
40375914
n×3
60563871
n×4
80751828
n×5
100939785
n÷2
10093978.5
n÷3
6729319
n÷3
5046989.25
n÷5
4037591.4
n2
407553607833849
n3
8.2276747101446E+21
n4
1.6609994325839E+29
n5
3.3532185122028E+36
2 √n
4493.1010449354
3 √n
272.28943473104
4 √n
67.030597826183
5 √n
28.908028499591
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
-20187956
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 20187957 can be divided by 8 positive divisors.
The sum of these divisors (counting 20187957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000101100110101
3
Ternary
1101222122200010
4
Quaternary
1031000230311
5
Quinary
20132003312
6
Senary
2000410433
8
Octal
115005465
10
Decimal
20187957
12
Duodecimal
6916a19
16
Hexadecimal
1340b35
20
Vigesimal
6639hh
36
Base36
c0p4l
md5
0ba84454bdde1345c0b795860347f089
sha1
9f8c2b460d478e1368df5f24c74f1ab48a42e3e0
sha256
6a4147bed90b9685c3fe352d5af3ec6f688bb7e15a50dc4b425e12264124d9fa
sha512
97c9ddc39daac9b093a9b4eb759abcac514330246b33fb0caa0f0be9fd6f840e0cecc4281b6faeb63a5b32f107841ec61c06b491bb08a47d8cccde3e4dd4ab0e
ripemd-160
6a5a9a7f9c782b7acede6f4889b4ecc2806fead9
Diameter
40375914
Circumference
126844674.80437
Area
1.2803674203148E+15
Volume
3.4464003234022E+22
Surface area
5.1214696812593E+15
Circumference
126844674.80437
Perimeter
80751828
Area
407553607833849
Diagonal
28550082.586005
Surface area
2445321647003094
Volume
8.2276747101446E+21
Space diagonal
34966567.225016
Perimeter
60563871
Area
1.7647588889406E+14
Altitude
17483283.612508
Surface area
1.7647588889406E+14
Volume
9.6964076349005E+20
Height
9516694.195335