30721874 is an even 8-digits composite number following 30721873
and preceding 30721875 . In scientific notation, it is written as 3.0721874 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 14701440 positive integers (up to 30721874) that are relatively prime to 30721874.
30721874 has 16 divisors, whose sum is 48104280
The reverse of 30721874 is 47812703
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty million seven hundred twenty-one thousand eight hundred seventy-four
Scientific notation
3.0721874 × 10^7
Engineering notation
3.0721874 × 10^6
Prime Factorization
2 × 41 × 53 × 7069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30721874
Product of the distinct prime numbers
The prime factorization of 30721874 is 2 × 41 × 53 × 7069.
Since it has a total of 4 prime factors.
10 , 2 , 40 , 100 , 325 , 185 , 4178 , 4373 , 89295 , 96632 , 217420 , 104065 , 7689797 , 6134742 , 40911883 , 15865351 , 534924916 , 967456463 , 2076556458 , 7940024587
n×2
61443748
n×3
92165622
n×4
122887496
n×5
153609370
n÷2
15360937
n÷3
10240624.666667
n÷3
7680468.5
n÷5
6144374.8
n2
943833542071876
n3
2.8996335156506E+22
n4
8.9082175513994E+29
n5
2.7367713717868E+37
2 √n
5542.731637018
3 √n
313.19577962058
4 √n
74.449524088593
5 √n
31.440507000386
1 , 2 , 41 , 53 , 82 , 106 , 2173 , 4346 , 7069 , 14138 , 289829 , 374657 , 579658 , 749314 , 15360937 , 30721874
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30721873
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30721874 can be divided by 16 positive divisors.
The sum of these divisors (counting 30721874) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101001100011101010010
3
Ternary
2010210211111012
4
Quaternary
1311030131102
5
Quinary
30331044444
6
Senary
3014250522
8
Octal
165143522
10
Decimal
30721874
12
Duodecimal
a356a42
16
Hexadecimal
1d4c752
20
Vigesimal
9c04de
36
Base36
iah5e
md5
4cd18e437281b5f061b990fe414e656e
sha1
6a91f5c98e220483a48e13c1e4195f3edd620295
sha256
231eac09975755fbde80442985ee53c8d9cde5c55626fa1bf8be01133e0bed71
sha512
3f98cd248c4bd34ba13097918f519f3c254e9a2fea7fd504b50f3329c79afa93f660baa4ff2d032d163050bd283dc8b61b64851e709695ef8ed8c54f84327731
ripemd-160
8bdf8982fd77516b41534c96b7f1c127d5def878
Diameter
61443748
Circumference
193031227.32582
Area
2.9651405219846E+15
Volume
1.2145956467828E+23
Surface area
1.1860562087939E+16
Circumference
193031227.32582
Perimeter
122887496
Area
943833542071876
Diagonal
43447290.872317
Surface area
5663001252431256
Volume
2.8996335156506E+22
Space diagonal
53211846.671729
Perimeter
92165622
Area
4.0869191218905E+14
Altitude
26605923.335865
Surface area
4.0869191218905E+14
Volume
3.4172508697872E+21
Height
14482430.290772