30891138 is an even 8-digits composite number following 30891137
and preceding 30891139 . In scientific notation, it is written as 3.0891138 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 10297044 positive integers (up to 30891138) that are relatively prime to 30891138.
30891138 has 8 divisors, whose sum is 61782288
The reverse of 30891138 is 83119803
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty million eight hundred ninety-one thousand one hundred thirty-eight
Scientific notation
3.0891138 × 10^7
Engineering notation
3.0891138 × 10^6
Prime Factorization
2 × 3 × 5148523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30891138
Product of the distinct prime numbers
The prime factorization of 30891138 is 2 × 3 × 5148523.
Since it has a total of 3 prime factors.
5 , 9 , 36 , 97 , 462 , 894 , 4260 , 4549 , 35383 , 75648 , 319697 , 946931 , 277100 , 1698222 , 49197693 , 3105588 , 781675692 , 28387434 , 4667516717 , 7149194947
n×2
61782276
n×3
92673414
n×4
123564552
n×5
154455690
n÷2
15445569
n÷3
10297046
n÷3
7722784.5
n÷5
6178227.6
n2
954262406935044
n3
2.9478251700843E+22
n4
9.1061674128946E+29
n5
2.8129987420283E+37
2 √n
5557.9796689085
3 √n
313.76991677929
4 √n
74.551858923225
5 √n
31.475075571349
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
-30891137
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 30891138 can be divided by 8 positive divisors.
The sum of these divisors (counting 30891138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101110101110010000010
3
Ternary
2011010102200020
4
Quaternary
1311311302002
5
Quinary
30402004023
6
Senary
3022034310
8
Octal
165656202
10
Decimal
30891138
12
Duodecimal
a418996
16
Hexadecimal
1d75c82
20
Vigesimal
9d17gi
36
Base36
ie3r6
md5
acecf55bae76b82cdcc2daab48369295
sha1
0ff33bfdcd64d4351953f968524c721e32a360c5
sha256
feaddcc282be455d8291babce4f12c18c7f9a48d7020c451fa0957bbb705bf7d
sha512
0afc02597e9f5cc031512f3fcc91aff619b43ae44453d516254611d933793da63d83d98bef7eeb523fb88023ab37065949790c4b9fa3a1377950217163396779
ripemd-160
d0a892cfe69bb6236a29470c0513e6e0802e9ec4
Diameter
61782276
Circumference
194094744.40366
Area
2.997903767224E+15
Volume
1.2347821197872E+23
Surface area
1.1991615068896E+16
Circumference
194094744.40366
Perimeter
123564552
Area
954262406935044
Diagonal
43686666.316739
Surface area
5725574441610264
Volume
2.9478251700843E+22
Space diagonal
53505020.519622
Perimeter
92673414
Area
4.1320774314112E+14
Altitude
26752510.259811
Surface area
4.1320774314112E+14
Volume
3.4740452791983E+21
Height
14562222.10558