30891189 is an odd 8-digits composite number following 30891188
and preceding 30891190 . In scientific notation, it is written as 3.0891189 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 16932672 positive integers (up to 30891189) that are relatively prime to 30891189.
30891189 has 32 divisors, whose sum is 49029120
The reverse of 30891189 is 98119803
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty million eight hundred ninety-one thousand one hundred eighty-nine
Scientific notation
3.0891189 × 10^7
Engineering notation
3.0891189 × 10^6
Prime Factorization
3 × 7 × 83 × 37 × 479
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30891189
Product of the distinct prime numbers
The prime factorization of 30891189 is 3 × 7 × 83 × 37 × 479.
Since it has a total of 5 prime factors.
5 , 9 , 34 , 47 , 136 , 497 , 5976 , 6002 , 62912 , 38050 , 3091 , 828708 , 2532790 , 1401934 , 50758671 , 4131453 , 816857242 , 863530470 , 9527550027 , 444526160
n×2
61782378
n×3
92673567
n×4
123564756
n×5
154455945
n÷2
15445594.5
n÷3
10297063
n÷3
7722797.25
n÷5
6178237.8
n2
954265557833721
n3
2.9478397703232E+22
n4
9.106227548677E+29
n5
2.8130219628319E+37
2 √n
5557.9842569047
3 √n
313.77008945294
4 √n
74.55188969372
5 √n
31.475085964153
1 , 3 , 7 , 21 , 37 , 83 , 111 , 249 , 259 , 479 , 581 , 777 , 1437 , 1743 , 3071 , 3353 , 9213 , 10059 , 17723 , 21497 , 39757 , 53169 , 64491 , 119271 , 124061 , 278299 , 372183 , 834897 , 1471009 , 4413027 , 10297063 , 30891189
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30891188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30891189 can be divided by 32 positive divisors.
The sum of these divisors (counting 30891189) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110101110101110010110101
3
Ternary
2011010102202010
4
Quaternary
1311311302311
5
Quinary
30402004224
6
Senary
3022034433
8
Octal
165656265
10
Decimal
30891189
12
Duodecimal
a418a19
16
Hexadecimal
1d75cb5
20
Vigesimal
9d17j9
36
Base36
ie3sl
md5
37836753a8ce1b0e093fcd81864500e7
sha1
4e8b614c3c7f9a8b38f269e828fc3b4f3606b45f
sha256
d28463a1b8ecd98b25ca1f04c183f386c1f0e3b9aa9c7185257b6720072746ca
sha512
b218a7c8d05769d8206d3f900939d6223b9b5a5f70f4f372b8839eb99d2358a719d50e323d1919199256a3803d6fd2cd483d5348aa6b2f7174bfbaeece68b409
ripemd-160
755176fc30ac6fac289068093a0a4ce7e2c2fcd7
Diameter
61782378
Circumference
194095064.84611
Area
2.9979136660642E+15
Volume
1.234788235521E+23
Surface area
1.1991654664257E+16
Circumference
194095064.84611
Perimeter
123564756
Area
954265557833721
Diagonal
43686738.441631
Surface area
5725593347002326
Volume
2.9478397703232E+22
Space diagonal
53505108.854213
Perimeter
92673567
Area
4.1320910752027E+14
Altitude
26752554.427106
Surface area
4.1320910752027E+14
Volume
3.4740624857449E+21
Height
14562246.14721