30989872 is an even 8-digits composite number following 30989871
and preceding 30989873 . In scientific notation, it is written as 3.0989872 × 10^7.
The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors.
There are 15415488 positive integers (up to 30989872) that are relatively prime to 30989872.
30989872 has 20 divisors, whose sum is 60350800
The reverse of 30989872 is 27898903
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty million nine hundred eighty-nine thousand eight hundred seventy-two
Scientific notation
3.0989872 × 10^7
Engineering notation
3.0989872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 199 × 9733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3873734
Product of the distinct prime numbers
The prime factorization of 30989872 is 2 × 2 × 2 × 2 × 199 × 9733.
Since it has a total of 6 prime factors.
10 , 7 , 20 , 28 , 749 , 123 , 1246 , 3548 , 51445 , 94442 , 936766 , 119115 , 5148641 , 5583655 , 31775696 , 18970374 , 398650294 , 529917750 , 7925401980 , 1294713725
n×2
61979744
n×3
92969616
n×4
123959488
n×5
154949360
n÷2
15494936
n÷3
10329957.333333
n÷3
7747468
n÷5
6197974.4
n2
960372166576384
n3
2.9761810514565E+22
n4
9.2231469833462E+29
n5
2.8582414445108E+37
2 √n
5566.8547672811
3 √n
314.10385086416
4 √n
74.61135816537
5 √n
31.495169972809
1 , 2 , 4 , 8 , 16 , 199 , 398 , 796 , 1592 , 3184 , 9733 , 19466 , 38932 , 77864 , 155728 , 1936867 , 3873734 , 7747468 , 15494936 , 30989872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30989871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30989872 can be divided by 20 positive divisors.
The sum of these divisors (counting 30989872) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110001101111000110000
3
Ternary
2011022110010001
4
Quaternary
1312031320300
5
Quinary
30413133442
6
Senary
3024115344
8
Octal
166157060
10
Decimal
30989872
12
Duodecimal
a465b54
16
Hexadecimal
1d8de30
20
Vigesimal
9ddedc
36
Base36
ig7xs
md5
cea4239aaf638565c96e9449f8f65090
sha1
b6df99ac05480611a6629bea962dad4c266e3745
sha256
449c0ac6918103842566e7ef9546fbbc56bc73beb468318cbf7c7781332eaaed
sha512
60ffb69ddb24cfaa5090c811e95a612eeb4e5bccee3ebf59cb0bda63c046bf61e03f7d05ad07ff45444091c2814c1e6968935b75e60428f1bd92016f9be75ad5
ripemd-160
09dd6c4c476fb70a039640e108b6cb5e2aab1be9
Diameter
61979744
Circumference
194715108.42178
Area
3.0170981432285E+15
Volume
1.2466598036012E+23
Surface area
1.2068392572914E+16
Circumference
194715108.42178
Perimeter
123959488
Area
960372166576384
Diagonal
43826297.278606
Surface area
5762232999458304
Volume
2.9761810514565E+22
Space diagonal
53676032.824056
Perimeter
92969616
Area
4.1585334667132E+14
Altitude
26838016.412028
Surface area
4.1585334667132E+14
Volume
3.507463005873E+21
Height
14608765.759535