30996979 is an odd 8-digits composite number following 30996978
and preceding 30996980 . In scientific notation, it is written as 3.0996979 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 28612584 positive integers (up to 30996979) that are relatively prime to 30996979.
30996979 has 4 divisors, whose sum is 33381376
The reverse of 30996979 is 97969903
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
thirty million nine hundred ninety-six thousand nine hundred seventy-nine
Scientific notation
3.0996979 × 10^7
Engineering notation
3.0996979 × 10^6
Prime Factorization
13 × 2384383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30996979
Product of the distinct prime numbers
The prime factorization of 30996979 is 13 × 2384383.
Since it has a total of 2 prime factors.
4 , 7 , 43 , 71 , 668 , 45 , 9806 , 350 , 76673 , 42655 , 552159 , 770798 , 9903849 , 8616191 , 2600819 , 72371883 , 890964170 , 415255754 , 2473189403 , 2855646381
n×2
61993958
n×3
92990937
n×4
123987916
n×5
154984895
n÷2
15498489.5
n÷3
10332326.333333
n÷3
7749244.75
n÷5
6199395.8
n2
960812707126441
n3
2.9782291305731E+22
n4
9.2316105817564E+29
n5
2.8615203933888E+37
2 √n
5567.4930624115
3 √n
314.12786048726
4 √n
74.615635508997
5 √n
31.49661441661
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
-30996978
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 30996979 can be divided by 4 positive divisors.
The sum of these divisors (counting 30996979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110001111100111110011
3
Ternary
2011022210212021
4
Quaternary
1312033213303
5
Quinary
30413400404
6
Senary
3024212311
8
Octal
166174763
10
Decimal
30996979
12
Duodecimal
a46a097
16
Hexadecimal
1d8f9f3
20
Vigesimal
9dec8j
36
Base36
igdf7
md5
c51bd1989c8c4f22ec8b0cc20cfc0c9f
sha1
9998611a77028ecb76743ab2f0b72ceb10de2733
sha256
f51ae0ddc1bf1a7eef881017c30a556b928a5560440bd41bf0f5e6c3a21e8687
sha512
ab2da9c4ef2c49b1686334746e96c7fb1512498513cdd04d2b6d9bb2120c3b3a92d73a12d0775a340e27b4eb6e2e2146a470d52a4492fdee71451b8570e997d8
ripemd-160
72262a3b376d52206481cb9aeb90961fc630824f
Diameter
61993958
Circumference
194759763.01975
Area
3.0184821421841E+15
Volume
1.2475177009754E+23
Surface area
1.2073928568737E+16
Circumference
194759763.01975
Perimeter
123987916
Area
960812707126441
Diagonal
43836348.094394
Surface area
5764876242758646
Volume
2.9782291305731E+22
Space diagonal
53688342.509146
Perimeter
92990937
Area
4.160441063252E+14
Altitude
26844171.254573
Surface area
4.160441063252E+14
Volume
3.5098766902593E+21
Height
14612116.031465