30886979 is an odd 8-digits composite number following 30886978
and preceding 30886980 . In scientific notation, it is written as 3.0886979 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 30851040 positive integers (up to 30886979) that are relatively prime to 30886979.
30886979 has 4 divisors, whose sum is 30922920
The reverse of 30886979 is 97968803
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
thirty million eight hundred eighty-six thousand nine hundred seventy-nine
Scientific notation
3.0886979 × 10^7
Engineering notation
3.0886979 × 10^6
Prime Factorization
881 × 35059
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30886979
Product of the distinct prime numbers
The prime factorization of 30886979 is 881 × 35059.
Since it has a total of 2 prime factors.
1 , 7 , 89 , 38 , 541 , 278 , 3599 , 9517 , 29891 , 10621 , 312733 , 840354 , 5747138 , 3942145 , 52151431 , 78620831 , 732242642 , 615960317 , 2288884851 , 3126213829
n×2
61773958
n×3
92660937
n×4
123547916
n×5
154434895
n÷2
15443489.5
n÷3
10295659.666667
n÷3
7721744.75
n÷5
6177395.8
n2
954005471746441
n3
2.9466346971717E+22
n4
9.1012644012215E+29
n5
2.8111056243398E+37
2 √n
5557.6055095697
3 √n
313.75583477242
4 √n
74.549349491258
5 √n
31.474228002123
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
-30886978
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 30886979 can be divided by 4 positive divisors.
The sum of these divisors (counting 30886979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101110100110001000011
3
Ternary
2011010012222012
4
Quaternary
1311310301003
5
Quinary
30401340404
6
Senary
3022003135
8
Octal
165646103
10
Decimal
30886979
12
Duodecimal
a4164ab
16
Hexadecimal
1d74c43
20
Vigesimal
9d0h8j
36
Base36
ie0jn
md5
c178de1954dfcb24a62b71984a44298f
sha1
a75b67b083eb88373872eda1d8c7e9fec1c71ad5
sha256
5df36862e66eb0a5d988aa594a68bc62963b418a3d026f514b62571a677c44de
sha512
7cf5ad288b1f84832e091c721ec7994da728ee3c18cec8e3b52a3b818264eecd25207bd63ae89920d779b848c12b6e389dc4dbfc40c96a2ce5b217ff3b94545c
ripemd-160
5a3fe7a2ef6770b34c9ad8f5cd3d7ab6e0da65dd
Diameter
61773958
Circumference
194068612.63596
Area
2.9970965815231E+15
Volume
1.2342834556597E+23
Surface area
1.1988386326092E+16
Circumference
194068612.63596
Perimeter
123547916
Area
954005471746441
Diagonal
43680784.602533
Surface area
5724032830478646
Volume
2.9466346971717E+22
Space diagonal
53497816.920313
Perimeter
92660937
Area
4.1309648694089E+14
Altitude
26748908.460156
Surface area
4.1309648694089E+14
Volume
3.4726422934162E+21
Height
14560261.534178