979 is an odd 3-digits composite number following 978
and preceding 980 . In scientific notation, it is written as 9.79 × 10^2.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 880 positive integers (up to 979) that are relatively prime to 979.
979 has 4 divisors, whose sum is 1080
The reverse of 979 is 979
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 25
Digital Root 7
Name
nine hundred seventy-nine
Scientific notation
9.79 × 10^2
Engineering notation
9.79 × 10^0
Prime Factorization
11 × 89
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
979
Product of the distinct prime numbers
The prime factorization of 979 is 11 × 89.
Since it has a total of 2 prime factors.
3 , 8 , 45 , 33 , 870 , 332 , 6491 , 1105 , 2140 , 71166 , 98216 , 905776 , 1507079 , 6524139 , 71567601 , 64276177 , 445968014 , 534811839 , 653442286 , 2864649989
n×2
1958
n×3
2937
n×4
3916
n×5
4895
n÷2
489.5
n÷3
326.33333333333
n÷3
244.75
n÷5
195.8
n2
958441
n3
938313739
n4
918609150481
n5
899318358320899
2 √n
31.288975694324
3 √n
9.929504202047
4 √n
5.5936549495231
5 √n
3.9642089560273
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
-978
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 979 can be divided by 4 positive divisors.
The sum of these divisors (counting 979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111010011
3
Ternary
1100021
4
Quaternary
33103
5
Quinary
12404
6
Senary
4311
8
Octal
1723
10
Decimal
979
12
Duodecimal
697
16
Hexadecimal
3d3
20
Vigesimal
28j
36
Base36
r7
md5
c32d9bf27a3da7ec8163957080c8628e
sha1
7dcd5ff96b80f1bb263084ecb01e7696484613fd
sha256
8590ac062555493444893ec5871609dffedf8cf684d93f7533bc52ffc5611dc8
sha512
a82e6d527468cc8aa3ade4d3e132111f987ffcbebe1d032b8f3513fdd0b5728d388060282cb51b08c848c3f5e8fd7602ce1e58c50d5c92003ca4ff35299e6159
ripemd-160
ec0106d8d0939f9164fa7075b8148d89681a8d97
Diameter
1958
Circumference
6151.2384157288
Area
3011031.2044993
Volume
3930399398.9397
Surface area
12044124.817997
Circumference
6151.2384157288
Perimeter
3916
Area
958441
Diagonal
1384.5150775633
Surface area
5750646
Volume
938313739
Space diagonal
1695.6777406099
Perimeter
2937
Area
415017.12701428
Altitude
847.83887030497
Surface area
415017.12701428
Volume
110581334.62123
Height
461.50502585442