30902993 is an odd 8-digits composite number following 30902992
and preceding 30902994 . In scientific notation, it is written as 3.0902993 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 28093620 positive integers (up to 30902993) that are relatively prime to 30902993.
30902993 has 4 divisors, whose sum is 33712368
The reverse of 30902993 is 39920903
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirty million nine hundred two thousand nine hundred ninety-three
Scientific notation
3.0902993 × 10^7
Engineering notation
3.0902993 × 10^6
Prime Factorization
11 × 2809363
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30902993
Product of the distinct prime numbers
The prime factorization of 30902993 is 11 × 2809363.
Since it has a total of 2 prime factors.
9 , 3 , 30 , 6 , 496 , 768 , 39 , 7525 , 30401 , 5575 , 429314 , 669944 , 8668643 , 8634595 , 61063649 , 48192815 , 688024169 , 867945649 , 9100152417 , 7607386579
n×2
61805986
n×3
92708979
n×4
123611972
n×5
154514965
n÷2
15451496.5
n÷3
10300997.666667
n÷3
7725748.25
n÷5
6180598.6
n2
954994976358049
n3
2.9512203069428E+22
n4
9.1201540486911E+29
n5
2.8184005672562E+37
2 √n
5559.0460512574
3 √n
313.81004982788
4 √n
74.5590105303
5 √n
31.477491019786
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
-30902992
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 30902993 can be divided by 4 positive divisors.
The sum of these divisors (counting 30902993) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101111000101011010001
3
Ternary
2011011000221022
4
Quaternary
1311320223101
5
Quinary
30402343433
6
Senary
3022205225
8
Octal
165705321
10
Decimal
30902993
12
Duodecimal
a423815
16
Hexadecimal
1d78ad1
20
Vigesimal
9d2h9d
36
Base36
iecwh
md5
0daa60e46d52255b17b49517f50ef17f
sha1
572b49a7e2ff6da3882665ca18b5c16a6c367d2e
sha256
16e6ea7337e170b9b2224f72ae9564b5af1e71f5421b655d0ff6e5548b91cee3
sha512
dd474e8e9e1e053c4441ddb504fa52ac0175cfcfde96d6aecc0470fb91f7c23a093a5fd0a9ccd0f2cfc3380724a5fa06a37506af7a99ef5eca622d6a7d62b062
ripemd-160
dd79f1448b9148108ed98750be77bd3e497991be
Diameter
61805986
Circumference
194169231.56547
Area
3.0002052019416E+15
Volume
1.2362042713889E+23
Surface area
1.2000820807766E+16
Circumference
194169231.56547
Perimeter
123611972
Area
954994976358049
Diagonal
43703431.818521
Surface area
5729969858148294
Volume
2.9512203069428E+22
Space diagonal
53525553.981945
Perimeter
92708979
Area
4.1352495500629E+14
Altitude
26762776.990973
Surface area
4.1352495500629E+14
Volume
3.4780464863578E+21
Height
14567810.606174