30721804 is an even 8-digits composite number following 30721803
and preceding 30721805 . In scientific notation, it is written as 3.0721804 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 15348800 positive integers (up to 30721804) that are relatively prime to 30721804.
30721804 has 12 divisors, whose sum is 53805528
The reverse of 30721804 is 40812703
Previous prime number is 1811
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty million seven hundred twenty-one thousand eight hundred four
Scientific notation
3.0721804 × 10^7
Engineering notation
3.0721804 × 10^6
Prime Factorization
2 × 2 × 1811 × 4241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15360902
Product of the distinct prime numbers
The prime factorization of 30721804 is 2 × 2 × 1811 × 4241.
Since it has a total of 4 prime factors.
8 , 1 , 7 , 32 , 305 , 511 , 9176 , 3916 , 61922 , 24601 , 230437 , 478481 , 2395007 , 8970850 , 99438830 , 30955558 , 592407771 , 599991033 , 6787311317 , 6002937617
n×2
61443608
n×3
92165412
n×4
122887216
n×5
153609020
n÷2
15360902
n÷3
10240601.333333
n÷3
7680451
n÷5
6144360.8
n2
943829241014416
n3
2.8996136951914E+22
n4
8.9081363619385E+29
n5
2.7367401931675E+37
2 √n
5542.7253224384
3 √n
313.19554174749
4 √n
74.449481680119
5 √n
31.440492672891
1 , 2 , 4 , 1811 , 3622 , 4241 , 7244 , 8482 , 16964 , 7680451 , 15360902 , 30721804
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
-30721803
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 30721804 can be divided by 12 positive divisors.
The sum of these divisors (counting 30721804) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101001100011100001100
3
Ternary
2010210211101121
4
Quaternary
1311030130030
5
Quinary
30331044204
6
Senary
3014250324
8
Octal
165143414
10
Decimal
30721804
12
Duodecimal
a3569a4
16
Hexadecimal
1d4c70c
20
Vigesimal
9c04a4
36
Base36
iah3g
md5
2d580514d790bc90c58c5c7ff45450a6
sha1
6693c35e0caa7b4955e6446b73e994b866480a8d
sha256
429c0d2350dfe0b0e3396bfd32c302cb6a7c6e864268a868e0288c6708366158
sha512
c4a83bd74beca750c3d21cfbca65b395cfeded1972326e3e4fc4cdcb4415e0bc4aa7ad66316648cd3910ae4c7919257e830808f88b504ec2e7c00f3cc9b13741
ripemd-160
6a87b878c8eee6f200d9761071e2d078b26600ec
Diameter
61443608
Circumference
193030787.50285
Area
2.9651270098141E+15
Volume
1.2145873444082E+23
Surface area
1.1860508039256E+16
Circumference
193030787.50285
Perimeter
122887216
Area
943829241014416
Diagonal
43447191.877368
Surface area
5662975446086496
Volume
2.8996136951914E+22
Space diagonal
53211725.428173
Perimeter
92165412
Area
4.0869004977653E+14
Altitude
26605862.714086
Surface area
4.0869004977653E+14
Volume
3.417227511152E+21
Height
14482397.292456