30891142 is an even 8-digits composite number following 30891141
and preceding 30891143 . In scientific notation, it is written as 3.0891142 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 14394240 positive integers (up to 30891142) that are relatively prime to 30891142.
30891142 has 16 divisors, whose sum is 49544352
The reverse of 30891142 is 24119803
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty million eight hundred ninety-one thousand one hundred forty-two
Scientific notation
3.0891142 × 10^7
Engineering notation
3.0891142 × 10^6
Prime Factorization
2 × 17 × 103 × 8821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30891142
Product of the distinct prime numbers
The prime factorization of 30891142 is 2 × 17 × 103 × 8821.
Since it has a total of 4 prime factors.
5 , 3 , 32 , 12 , 635 , 787 , 813 , 4111 , 42195 , 90921 , 783771 , 501465 , 2730591 , 2066864 , 38696364 , 69128950 , 844752191 , 582125204 , 9498609799 , 8281614243
n×2
61782284
n×3
92673426
n×4
123564568
n×5
154455710
n÷2
15445571
n÷3
10297047.333333
n÷3
7722785.5
n÷5
6178228.4
n2
954262654064164
n3
2.9478263151993E+22
n4
9.1061721294158E+29
n5
2.8130005632623E+37
2 √n
5557.9800287515
3 √n
313.76993032233
4 √n
74.551861336599
5 √n
31.475076386471
1 , 2 , 17 , 34 , 103 , 206 , 1751 , 3502 , 8821 , 17642 , 149957 , 299914 , 908563 , 1817126 , 15445571 , 30891142
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
-30891141
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 30891142 can be divided by 16 positive divisors.
The sum of these divisors (counting 30891142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101110101110010000110
3
Ternary
2011010102200101
4
Quaternary
1311311302012
5
Quinary
30402004032
6
Senary
3022034314
8
Octal
165656206
10
Decimal
30891142
12
Duodecimal
a41899a
16
Hexadecimal
1d75c86
20
Vigesimal
9d17h2
36
Base36
ie3ra
md5
2f56dd018fab52140f7434bf88aca878
sha1
9915a625d19df6bf577cfc93aa20301e853700dd
sha256
ffb4d9f4c9dd0d4183733371160971aa5ae77de3bcdb0cdd295872c734d62585
sha512
69612697e108dd62cac3412745a2c9b741a4437b731881456c9f23cc721ebac35a628cc53c5784e7102860c343afc7e9efb55b72467a207c7849cb4c432d40c4
ripemd-160
15007940ccf078f05fbd50b973ec7c5a7b193d31
Diameter
61782284
Circumference
194094769.5364
Area
2.9979045436031E+15
Volume
1.2347825994518E+23
Surface area
1.1991618174412E+16
Circumference
194094769.5364
Perimeter
123564568
Area
954262654064164
Diagonal
43686671.973593
Surface area
5725575924384984
Volume
2.9478263151993E+22
Space diagonal
53505027.447825
Perimeter
92673426
Area
4.1320785015116E+14
Altitude
26752513.723912
Surface area
4.1320785015116E+14
Volume
3.4740466287293E+21
Height
14562223.991198