165720138 is an even 9-digits composite number following 165720137
and preceding 165720139 . In scientific notation, it is written as 1.65720138 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 55240044 positive integers (up to 165720138) that are relatively prime to 165720138.
165720138 has 8 divisors, whose sum is 331440288
The reverse of 165720138 is 831027561
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred sixty-five million seven hundred twenty thousand one hundred thirty-eight
Scientific notation
1.65720138 × 10^8
Engineering notation
1.65720138 × 10^6
Prime Factorization
2 × 3 × 27620023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
165720138
Product of the distinct prime numbers
The prime factorization of 165720138 is 2 × 3 × 27620023.
Since it has a total of 3 prime factors.
8 , 10 , 14 , 37 , 839 , 611 , 8761 , 1118 , 37870 , 20884 , 798230 , 852395 , 2742699 , 5767843 , 48166695 , 93708365 , 226617992 , 144208122 , 4796696813 , 9038628172
n×2
331440276
n×3
497160414
n×4
662880552
n×5
828600690
n÷2
82860069
n÷3
55240046
n÷3
41430034.5
n÷5
33144027.6
n2
27463164138739044
n3
4.5511993509885E+24
n4
7.5422538451132E+32
n5
1.2499033480432E+41
2 √n
12873.233393363
3 √n
549.27744013686
4 √n
113.4602723131
5 √n
44.042813793424
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
-165720137
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 165720138 can be divided by 8 positive divisors.
The sum of these divisors (counting 165720138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000001011000001001010
3
Ternary
102112211110021220
4
Quaternary
21320023001022
5
Quinary
314411021023
6
Senary
24235542510
8
Octal
1170130112
10
Decimal
165720138
12
Duodecimal
475baa36
16
Hexadecimal
9e0b04a
20
Vigesimal
2bff06i
36
Base36
2qnyh6
md5
78f9ae6dfce5d9a03cb5fcd5a6306944
sha1
61275f2820e46b66d8ea73062c14a25c365ef59a
sha256
397ea128a910260c22820de415247fe974e58004b76b86b87b59f85876050909
sha512
bc7570d2574bb2c718c4626f4c3f570ccbdbf7fcb5942c80a0317760b40f53c34f054ec36fb84a4b344694b264f360c730bcb2524816d79994f048b58a9a67c8
ripemd-160
1eb300c0ada925e29a8f5eb38eb583ae8516119c
Diameter
331440276
Circumference
1041250336.1854
Area
8.6278074702593E+16
Volume
1.9064019261451E+25
Surface area
3.4511229881037E+17
Circumference
1041250336.1854
Perimeter
662880552
Area
27463164138739044
Diagonal
234363666.71794
Surface area
164778984832434264
Volume
4.5511993509885E+24
Space diagonal
287035698.85333
Perimeter
497160414
Area
1.1891898906225E+16
Altitude
143517849.42666
Surface area
1.1891898906225E+16
Volume
5.363639872693E+23
Height
78121222.239314