30721825 is an odd 8-digits composite number following 30721824
and preceding 30721826 . In scientific notation, it is written as 3.0721825 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 24514560 positive integers (up to 30721825) that are relatively prime to 30721825.
30721825 has 12 divisors, whose sum is 38192620
The reverse of 30721825 is 52812703
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty million seven hundred twenty-one thousand eight hundred twenty-five
Scientific notation
3.0721825 × 10^7
Engineering notation
3.0721825 × 10^6
Prime Factorization
5 × 5 × 457 × 2689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6144365
Product of the distinct prime numbers
The prime factorization of 30721825 is 5 × 5 × 457 × 2689.
Since it has a total of 4 prime factors.
8 , 8 , 28 , 35 , 429 , 488 , 3968 , 5507 , 39127 , 11050 , 338867 , 609419 , 6514601 , 2848049 , 39886099 , 55867863 , 641665758 , 898523367 , 550118406 , 6781416519
n×2
61443650
n×3
92165475
n×4
122887300
n×5
153609125
n÷2
15360912.5
n÷3
10240608.333333
n÷3
7680456.25
n÷5
6144365
n2
943830531330625
n3
2.8996196413196E+22
n4
8.9081607187185E+29
n5
2.7367495467234E+37
2 √n
5542.727216813
3 √n
313.19561310945
4 √n
74.449494402669
5 √n
31.440496971142
1 , 5 , 25 , 457 , 2285 , 2689 , 11425 , 13445 , 67225 , 1228873 , 6144365 , 30721825
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30721824
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30721825 can be divided by 12 positive divisors.
The sum of these divisors (counting 30721825) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101001100011100100001
3
Ternary
2010210211102101
4
Quaternary
1311030130201
5
Quinary
30331044300
6
Senary
3014250401
8
Octal
165143441
10
Decimal
30721825
12
Duodecimal
a356a01
16
Hexadecimal
1d4c721
20
Vigesimal
9c04b5
36
Base36
iah41
md5
db64d21347b5d36efc0bb0cbf5bedc1f
sha1
d16660af84d9cb9e9c6671f3840b00dc55a2ae98
sha256
39e222ea030f58c52c2997e9eac43cc9d46bada60f6849bda9235f2b998b6155
sha512
210f2403f70b9f79a7807911d2be0951a2aef398e3ee3c07002094955705f36f7d38baa4c3834b6fa3b7e8f6709b745dc2507d94edd6b31d16793e2f9212724c
ripemd-160
d43b14b5c0d2a3171d25e7dc2d5a479daff8facb
Diameter
61443650
Circumference
193030919.44974
Area
2.965131063462E+15
Volume
1.2145898351166E+23
Surface area
1.1860524253848E+16
Circumference
193030919.44974
Perimeter
122887300
Area
943830531330625
Diagonal
43447221.575853
Surface area
5662983187983750
Volume
2.8996196413196E+22
Space diagonal
53211761.80124
Perimeter
92165475
Area
4.0869060849984E+14
Altitude
26605880.90062
Surface area
4.0869060849984E+14
Volume
3.4172345187314E+21
Height
14482407.191951