30842021 is an odd 8-digits composite number following 30842020
and preceding 30842022 . In scientific notation, it is written as 3.0842021 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors.
There are 26435976 positive integers (up to 30842021) that are relatively prime to 30842021.
30842021 has 6 divisors, whose sum is 35877510
The reverse of 30842021 is 12024803
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
thirty million eight hundred forty-two thousand twenty-one
Scientific notation
3.0842021 × 10^7
Engineering notation
3.0842021 × 10^6
Prime Factorization
7 × 7 × 629429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
4406003
Product of the distinct prime numbers
The prime factorization of 30842021 is 7 × 7 × 629429.
Since it has a total of 3 prime factors.
4 , 6 , 48 , 33 , 902 , 162 , 3276 , 2884 , 71225 , 64809 , 499822 , 753399 , 4088296 , 5921936 , 61240651 , 94391295 , 142651068 , 17518802 , 7242779918 , 1409443543
n×2
61684042
n×3
92526063
n×4
123368084
n×5
154210105
n÷2
15421010.5
n÷3
10280673.666667
n÷3
7710505.25
n÷5
6168404.2
n2
951230259364441
n3
2.9337863635154E+22
n4
9.0483900633054E+29
n5
2.7907063634866E+37
2 √n
5553.5593091278
3 √n
313.60353020048
4 √n
74.522206818691
5 √n
31.465060106984
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30842020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30842021 can be divided by 6 positive divisors.
The sum of these divisors (counting 30842021) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110101101001110010100101
3
Ternary
2011000221022002
4
Quaternary
1311221302211
5
Quinary
30343421041
6
Senary
3021015045
8
Octal
165516245
10
Decimal
30842021
12
Duodecimal
a3b4485
16
Hexadecimal
1d69ca5
20
Vigesimal
9cf511
36
Base36
id1ut
md5
ebf72dd23a26d087515933b1f3bb141d
sha1
67f6a3dea4667ceff1d1db769dc8ae3a6aaa9594
sha256
886b40d9c768139eee622e07a448a5a1d05fe7b4a5d8326aa2c323c82d6990ef
sha512
f1df4dc41d730a2031d51c98c5fffe9cd551afb10d287597d12deff77b3482492b2106d28f9ab305a853214a591a62e517b007702d60c694dbedb95bcff8c429
ripemd-160
38f523da2b44979ebd89ed1e362166ddb2de1e5b
Diameter
61684042
Circumference
193786133.19092
Area
2.9883779946916E+15
Volume
1.2289015582429E+23
Surface area
1.1953511978767E+16
Circumference
193786133.19092
Perimeter
123368084
Area
951230259364441
Diagonal
43617204.389196
Surface area
5707381556186646
Volume
2.9337863635154E+22
Space diagonal
53419947.380106
Perimeter
92526063
Area
4.1189478472903E+14
Altitude
26709973.690053
Surface area
4.1189478472903E+14
Volume
3.4575003869905E+21
Height
14539068.129732