30897748 is an even 8-digits composite number following 30897747
and preceding 30897749 . In scientific notation, it is written as 3.0897748 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 13116864 positive integers (up to 30897748) that are relatively prime to 30897748.
30897748 has 24 divisors, whose sum is 62379072
The reverse of 30897748 is 84779803
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty million eight hundred ninety-seven thousand seven hundred forty-eight
Scientific notation
3.0897748 × 10^7
Engineering notation
3.0897748 × 10^6
Prime Factorization
2 × 2 × 107 × 7 × 10313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15448874
Product of the distinct prime numbers
The prime factorization of 30897748 is 2 × 2 × 107 × 7 × 10313.
Since it has a total of 5 prime factors.
4 , 2 , 93 , 55 , 597 , 753 , 3490 , 7398 , 69844 , 10989 , 790494 , 309086 , 6562094 , 663898 , 41482866 , 22648182 , 847890452 , 25045863 , 8157430654 , 6302798279
n×2
61795496
n×3
92693244
n×4
123590992
n×5
154488740
n÷2
15448874
n÷3
10299249.333333
n÷3
7724437
n÷5
6179549.6
n2
954670831471504
n3
2.9497178773757E+22
n4
9.1139639646249E+29
n5
2.8160096186006E+37
2 √n
5558.5742776363
3 √n
313.79229505529
4 √n
74.555846703235
5 √n
31.476422445942
1 , 2 , 4 , 7 , 14 , 28 , 107 , 214 , 428 , 749 , 1498 , 2996 , 10313 , 20626 , 41252 , 72191 , 144382 , 288764 , 1103491 , 2206982 , 4413964 , 7724437 , 15448874 , 30897748
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30897747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30897748 can be divided by 24 positive divisors.
The sum of these divisors (counting 30897748) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110101110111011001010100
3
Ternary
2011010202202001
4
Quaternary
1311313121110
5
Quinary
30402211443
6
Senary
3022125044
8
Octal
165673124
10
Decimal
30897748
12
Duodecimal
a420784
16
Hexadecimal
1d77654
20
Vigesimal
9d2478
36
Base36
ie8us
md5
65509270feb111017de6e15f3919cb21
sha1
7ca0dd19b3bad1607884fa91ed6c5fbeaae596f6
sha256
cb0b5225c2434252344af038246fb0cf0053ea98b29edba6ba35baf88dabfcca
sha512
5d32247a462063683131e519552c54aadf11bcf5b1495d9d09bb0530d22fad3d91722011c7523a6b3bd272776c9e4eb6bff2b643f76295e056507c5d7ecfa515
ripemd-160
759f1236bbf72fdf3bb61393737aa342d868910c
Diameter
61795496
Circumference
194136276.25854
Area
2.9991868707473E+15
Volume
1.2355749351635E+23
Surface area
1.1996747482989E+16
Circumference
194136276.25854
Perimeter
123590992
Area
954670831471504
Diagonal
43696014.268386
Surface area
5728024988829024
Volume
2.9497178773757E+22
Space diagonal
53516469.37546
Perimeter
92693244
Area
4.1338459615317E+14
Altitude
26758234.68773
Surface area
4.1338459615317E+14
Volume
3.4762758561326E+21
Height
14565338.089462