165720139 is an odd 9-digits composite number following 165720138
and preceding 165720140 . In scientific notation, it is written as 1.65720139 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 152972424 positive integers (up to 165720139) that are relatively prime to 165720139.
165720139 has 4 divisors, whose sum is 178467856
The reverse of 165720139 is 931027561
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-five million seven hundred twenty thousand one hundred thirty-nine
Scientific notation
1.65720139 × 10^8
Engineering notation
1.65720139 × 10^6
Prime Factorization
13 × 12747703
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
165720139
Product of the distinct prime numbers
The prime factorization of 165720139 is 13 × 12747703.
Since it has a total of 2 prime factors.
5 , 3 , 56 , 79 , 980 , 832 , 108 , 1663 , 15632 , 482 , 438269 , 345881 , 7043262 , 4572549 , 88679781 , 27256955 , 289518157 , 831765269 , 167905164 , 3455019906
n×2
331440278
n×3
497160417
n×4
662880556
n×5
828600695
n÷2
82860069.5
n÷3
55240046.333333
n÷3
41430034.75
n÷5
33144027.8
n2
27463164470179321
n3
4.551199433378E+24
n4
7.5422540271612E+32
n5
1.2499033857545E+41
2 √n
12873.233432203
3 √n
549.27744124168
4 √n
113.46027248426
5 √n
44.042813846577
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-165720138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 165720139 can be divided by 4 positive divisors.
The sum of these divisors (counting 165720139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000001011000001001011
3
Ternary
102112211110021221
4
Quaternary
21320023001023
5
Quinary
314411021024
6
Senary
24235542511
8
Octal
1170130113
10
Decimal
165720139
12
Duodecimal
475baa37
16
Hexadecimal
9e0b04b
20
Vigesimal
2bff06j
36
Base36
2qnyh7
md5
394bb4e4dd3bd6c62a036750302a3d96
sha1
3f6d3192d4cba02f437bdb73a70975393fde0403
sha256
eed514ce7acdf2f942cc1a783a8dfe6ca1087c98244130aa58639701124304a8
sha512
b7216afee1adce3605c66ff6a9ef1a4b571b4b251018fd9c0bcf731978ff9351fe04f5e65ba70b7814ff2ae6a2831dab1bbee35c5d94e6f8554fb0c5172e82b0
ripemd-160
6c888a5da6d1c53b5cd7ead6d3266496bcac425a
Diameter
331440278
Circumference
1041250342.4686
Area
8.6278075743844E+16
Volume
1.9064019606563E+25
Surface area
3.4511230297537E+17
Circumference
1041250342.4686
Perimeter
662880556
Area
27463164470179321
Diagonal
234363668.13215
Surface area
164778986821075926
Volume
4.551199433378E+24
Space diagonal
287035700.58538
Perimeter
497160417
Area
1.1891899049743E+16
Altitude
143517850.29269
Surface area
1.1891899049743E+16
Volume
5.3636399697899E+23
Height
78121222.710718