30821331 is an odd 8-digits composite number following 30821330
and preceding 30821332 . In scientific notation, it is written as 3.0821331 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 20110280 positive integers (up to 30821331) that are relatively prime to 30821331.
30821331 has 8 divisors, whose sum is 41969664
The reverse of 30821331 is 13312803
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
thirty million eight hundred twenty-one thousand three hundred thirty-one
Scientific notation
3.0821331 × 10^7
Engineering notation
3.0821331 × 10^6
Prime Factorization
3 × 47 × 218591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30821331
Product of the distinct prime numbers
The prime factorization of 30821331 is 3 × 47 × 218591.
Since it has a total of 3 prime factors.
1 , 6 , 45 , 64 , 429 , 152 , 2976 , 1518 , 65512 , 65029 , 177175 , 953261 , 1039193 , 4380278 , 41327383 , 80875477 , 250366219 , 253909027 , 2016865736 , 8366518265
n×2
61642662
n×3
92463993
n×4
123285324
n×5
154106655
n÷2
15410665.5
n÷3
10273777
n÷3
7705332.75
n÷5
6164266.2
n2
949954444611561
n3
2.9278860372294E+22
n4
9.0241344683726E+29
n5
2.7813583543822E+37
2 √n
5551.6962272805
3 √n
313.5333887909
4 √n
74.509705591154
5 √n
31.460837382064
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
-30821330
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 30821331 can be divided by 8 positive divisors.
The sum of these divisors (counting 30821331) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101100100101111010011
3
Ternary
2010222212220210
4
Quaternary
1311210233103
5
Quinary
30342240311
6
Senary
3020335203
8
Octal
165445723
10
Decimal
30821331
12
Duodecimal
a3a4503
16
Hexadecimal
1d64bd3
20
Vigesimal
9ccd6b
36
Base36
iclw3
md5
e85f0ca924b390b9b588c68ddb0d20f7
sha1
96bbaaa67504709f0e43ae96d1f2218f53a5fae9
sha256
0f00d79ea45e3a1aad005adc7e331dc6929834113778c0694ddf0df6deb5d47e
sha512
fb582b2e9ff7848dca14184c6849223fcc7cab5e758a08d666a921068e55c6e750d7273f7a1dbc55a8fce15f487aba88c6536a550224f92dc08497b7ba14509b
ripemd-160
cf1a897d7500143722e8fd6c4bdf41f83fe831ca
Diameter
61642662
Circumference
193656134.08692
Area
2.9843699044367E+15
Volume
1.2264300353477E+23
Surface area
1.1937479617747E+16
Circumference
193656134.08692
Perimeter
123285324
Area
949954444611561
Diagonal
43587944.31059
Surface area
5699726667669366
Volume
2.9278860372294E+22
Space diagonal
53384111.248898
Perimeter
92463993
Area
4.1134234073577E+14
Altitude
26692055.624449
Surface area
4.1134234073577E+14
Volume
3.4505467857772E+21
Height
14529314.770197