30902813 is an odd 8-digits composite number following 30902812
and preceding 30902814 . In scientific notation, it is written as 3.0902813 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 30826848 positive integers (up to 30902813) that are relatively prime to 30902813.
30902813 has 4 divisors, whose sum is 30978780
The reverse of 30902813 is 31820903
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty million nine hundred two thousand eight hundred thirteen
Scientific notation
3.0902813 × 10^7
Engineering notation
3.0902813 × 10^6
Prime Factorization
409 × 75557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30902813
Product of the distinct prime numbers
The prime factorization of 30902813 is 409 × 75557.
Since it has a total of 2 prime factors.
4 , 1 , 23 , 37 , 658 , 794 , 7456 , 834 , 296 , 86494 , 873868 , 957849 , 8141708 , 8782281 , 80733308 , 88707238 , 775772606 , 773359971 , 5701184582 , 6967511637
n×2
61805626
n×3
92708439
n×4
123611252
n×5
154514065
n÷2
15451406.5
n÷3
10300937.666667
n÷3
7725703.25
n÷5
6180562.6
n2
954983851312969
n3
2.9511687375144E+22
n4
9.1199415626855E+29
n5
2.818318486826E+37
2 √n
5559.0298614057
3 √n
313.80944054581
4 √n
74.558901959496
5 √n
31.477454350447
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30902812
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30902813 can be divided by 4 positive divisors.
The sum of these divisors (counting 30902813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101111000101000011101
3
Ternary
2011011000200122
4
Quaternary
1311320220131
5
Quinary
30402342223
6
Senary
3022204325
8
Octal
165705035
10
Decimal
30902813
12
Duodecimal
a4236a5
16
Hexadecimal
1d78a1d
20
Vigesimal
9d2h0d
36
Base36
iecrh
md5
5ebedb01e069b0a5531615d4c9efc8cf
sha1
4898cc0c6a9d8f259dd9f9d83df4b303e861bb33
sha256
805122d8184a858183da105c840aceb48730dd35b69b073d58955f2d4d53333b
sha512
dc50a9680dcd7e4a01ab44665704f31308fb639cded06130b1eff9ea09fca01e965d924c4fa8d32bc41ffeb53ded7ac7833b7437a06c220852c968d36296f480
ripemd-160
3c91023f9e37f9609f4e43ab35ed756358582c99
Diameter
61805626
Circumference
194168100.59212
Area
3.0001702515817E+15
Volume
1.2361826700372E+23
Surface area
1.2000681006327E+16
Circumference
194168100.59212
Perimeter
123611252
Area
954983851312969
Diagonal
43703177.26008
Surface area
5729903107877814
Volume
2.9511687375144E+22
Space diagonal
53525242.2128
Perimeter
92708439
Area
4.1352013772047E+14
Altitude
26762621.1064
Surface area
4.1352013772047E+14
Volume
3.4779857112037E+21
Height
14567725.75336