68157030 is an even 8-digits composite number following 68157029
and preceding 68157031 . In scientific notation, it is written as 6.8157030 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 18175200 positive integers (up to 68157030) that are relatively prime to 68157030.
68157030 has 16 divisors, whose sum is 163576944
The reverse of 68157030 is 03075186
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixty-eight million one hundred fifty-seven thousand thirty
Scientific notation
6.8157030 × 10^7
Engineering notation
6.8157030 × 10^6
Prime Factorization
2 × 3 × 5 × 2271901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68157030
Product of the distinct prime numbers
The prime factorization of 68157030 is 2 × 3 × 5 × 2271901.
Since it has a total of 4 prime factors.
1 , 3 , 21 , 73 , 189 , 918 , 6844 , 2122 , 52727 , 34861 , 915152 , 395747 , 8608915 , 3135959 , 93803069 , 80875539 , 164210978 , 162240973 , 3395516043 , 4931686132
n×2
136314060
n×3
204471090
n×4
272628120
n×5
340785150
n÷2
34078515
n÷3
22719010
n÷3
17039257.5
n÷5
13631406
n2
4645380738420900
n3
3.1661535434998E+23
n4
2.1579562204892E+31
n5
1.4707988685857E+39
2 √n
8255.7271030479
3 √n
408.47945605652
4 √n
90.86103181809
5 √n
36.872461555533
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2271901 , 4543802 , 6815703 , 11359505 , 13631406 , 22719010 , 34078515 , 68157030
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68157029
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68157030 can be divided by 16 positive divisors.
The sum of these divisors (counting 68157030) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000011111111111001100110
3
Ternary
11202020201212110
4
Quaternary
10003333321212
5
Quinary
114422011110
6
Senary
10432501450
8
Octal
403777146
10
Decimal
68157030
12
Duodecimal
1a9aa886
16
Hexadecimal
40ffe66
20
Vigesimal
115jcba
36
Base36
14kuau
md5
aecce591538ee936cecd813d2c82c1fc
sha1
fd1130daeb70323bf19c0526b07709ab5eff7589
sha256
bc5699881c0824aa60acd8a9de76d29b775792f62ad30342d6a399a191212707
sha512
1fd6a6bc6c5acb37ea038fdb1e87657c0e7cefc8ef4ab4c5b20e086307c87966b5000c29f7d68f37b399c3cafc93f7f61c07af1763de24d33e305c0b1c0d2069
ripemd-160
350ad16a3792b2a4944d1f35e2955ed1e13367bf
Diameter
136314060
Circumference
428243249.477
Area
1.4593894000951E+16
Volume
1.3262352949861E+24
Surface area
5.8375576003803E+16
Circumference
428243249.477
Perimeter
272628120
Area
4645380738420900
Diagonal
96388596.19707
Surface area
27872284430525400
Volume
3.1661535434998E+23
Space diagonal
118051438.853
Perimeter
204471090
Area
2.0115088648617E+15
Altitude
59025719.426498
Surface area
2.0115088648617E+15
Volume
3.7313477348108E+22
Height
32129532.06569