20147665 is an odd 8-digits composite number following 20147664
and preceding 20147666 . In scientific notation, it is written as 2.0147665 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16084080 positive integers (up to 20147665) that are relatively prime to 20147665.
20147665 has 8 divisors, whose sum is 24228288
The reverse of 20147665 is 56674102
Previous prime number is 503
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-seven thousand six hundred sixty-five
Scientific notation
2.0147665 × 10^7
Engineering notation
2.0147665 × 10^6
Prime Factorization
5 × 503 × 8011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20147665
Product of the distinct prime numbers
The prime factorization of 20147665 is 5 × 503 × 8011.
Since it has a total of 3 prime factors.
1 , 8 , 3 , 53 , 637 , 546 , 5189 , 3473 , 81312 , 14306 , 766449 , 633655 , 2017920 , 6907323 , 88489654 , 21866919 , 394603442 , 223681372 , 8931288353 , 7476733773
n×2
40295330
n×3
60442995
n×4
80590660
n×5
100738325
n÷2
10073832.5
n÷3
6715888.3333333
n÷3
5036916.25
n÷5
4029533
n2
405928404952225
n3
8.1785095169618E+21
n4
1.6477786994706E+29
n5
3.3198893231069E+36
2 √n
4488.615042527
3 √n
272.10816506179
4 √n
66.997127121445
5 √n
28.89648009702
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
-20147664
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 20147665 can be divided by 8 positive divisors.
The sum of these divisors (counting 20147665) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110110111010001
3
Ternary
1101220121101211
4
Quaternary
1030312313101
5
Quinary
20124211130
6
Senary
1555500121
8
Octal
114666721
10
Decimal
20147665
12
Duodecimal
68b7641
16
Hexadecimal
1336dd1
20
Vigesimal
65i935
36
Base36
bzu1d
md5
217af2370ae72c37deb823154c2ace95
sha1
68a3cdc999dcebab8636bb36b51bfe8873b2060f
sha256
e1a1129f6374e3a0fb68517731e5c46cdfd8addbe89dda4f4aa0aa6c94f76fda
sha512
3ec2c1a60fc81b907cf3320de78e55344c5454d078ce77db638d92cb3ce6fc8f0de23a08ce1c4eec0b879d31707aa5fe4bb0af33f1975db710787fe968e2cb11
ripemd-160
b272f4a6f7044e4e416a8a2bd8371e35749a3a65
Diameter
40295330
Circumference
126591512.70198
Area
1.2752616948813E+15
Volume
3.4258060554402E+22
Surface area
5.1010467795253E+15
Circumference
126591512.70198
Perimeter
80590660
Area
405928404952225
Diagonal
28493101.09315
Surface area
2435570429713350
Volume
8.1785095169618E+21
Space diagonal
34896779.433877
Perimeter
60442995
Area
1.7577215540316E+14
Altitude
17448389.716939
Surface area
1.7577215540316E+14
Volume
9.6384658990706E+20
Height
9497700.3643832