20157972 is an even 8-digits composite number following 20157971
and preceding 20157973 . In scientific notation, it is written as 2.0157972 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 6719320 positive integers (up to 20157972) that are relatively prime to 20157972.
20157972 has 12 divisors, whose sum is 47035296
The reverse of 20157972 is 27975102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred fifty-seven thousand nine hundred seventy-two
Scientific notation
2.0157972 × 10^7
Engineering notation
2.0157972 × 10^6
Prime Factorization
2 × 2 × 3 × 1679831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10078986
Product of the distinct prime numbers
The prime factorization of 20157972 is 2 × 2 × 3 × 1679831.
Since it has a total of 4 prime factors.
5 , 10 , 20 , 1 , 466 , 835 , 2608 , 2880 , 27164 , 169 , 518538 , 669253 , 3130599 , 7569631 , 6083075 , 76287888 , 238161377 , 85676859 , 5055716658 , 5901201894
n×2
40315944
n×3
60473916
n×4
80631888
n×5
100789860
n÷2
10078986
n÷3
6719324
n÷3
5039493
n÷5
4031594.4
n2
406343835152784
n3
8.1910676513824E+21
n4
1.6511531236667E+29
n5
3.3283898434586E+36
2 √n
4489.7630226995
3 √n
272.15455820855
4 √n
67.005693957301
5 √n
28.899436023606
1 , 2 , 3 , 4 , 6 , 12 , 1679831 , 3359662 , 5039493 , 6719324 , 10078986 , 20157972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20157972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111001011000010100
3
Ternary
1101221010112120
4
Quaternary
1030321120110
5
Quinary
20130023342
6
Senary
2000015540
8
Octal
114713024
10
Decimal
20157972
12
Duodecimal
69015b0
16
Hexadecimal
1339614
20
Vigesimal
65jeic
36
Base36
c01zo
md5
60c94e0850353a40b9dbc7b7a98d24c8
sha1
3108e05e74e42283e2dea91c222ac0440734a6c8
sha256
035007471ccf670382a56ae6f74ad9c45732e4fc7bf92fe9a734ebedfddcb40e
sha512
176af3bb4a2a23dad4fc6638d9a470bf1ab43452b9435dd21b07070dcd06695c70e5f4ee8e73a15557462d57cc191b7c78ce3f7c2c9e3c292a73f74caf0817be
ripemd-160
eb851923c6dca6b6daf0fcce5d1b7a66af4d1ab0
Diameter
40315944
Circumference
126656273.49294
Area
1.2765668073475E+15
Volume
3.4310663944853E+22
Surface area
5.10626722939E+15
Circumference
126656273.49294
Perimeter
80631888
Area
406343835152784
Diagonal
28507677.392337
Surface area
2438063010916704
Volume
8.1910676513824E+21
Space diagonal
34914631.681551
Perimeter
60473916
Area
1.7595204195675E+14
Altitude
17457315.840775
Surface area
1.7595204195675E+14
Volume
9.6532658024171E+20
Height
9502559.130779