30721649 is an odd 8-digits composite number following 30721648
and preceding 30721650 . In scientific notation, it is written as 3.0721649 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 26099136 positive integers (up to 30721649) that are relatively prime to 30721649.
30721649 has 8 divisors, whose sum is 35422080
The reverse of 30721649 is 94612703
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty million seven hundred twenty-one thousand six hundred forty-nine
Scientific notation
3.0721649 × 10^7
Engineering notation
3.0721649 × 10^6
Prime Factorization
7 × 113 × 38839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30721649
Product of the distinct prime numbers
The prime factorization of 30721649 is 7 × 113 × 38839.
Since it has a total of 3 prime factors.
3 , 10 , 38 , 16 , 528 , 751 , 2471 , 6926 , 1258 , 82969 , 340077 , 621029 , 6709290 , 1422017 , 12445321 , 30616578 , 955961816 , 118270578 , 5455589349 , 6351127744
n×2
61443298
n×3
92164947
n×4
122886596
n×5
153608245
n÷2
15360824.5
n÷3
10240549.666667
n÷3
7680412.25
n÷5
6144329.8
n2
943819717279201
n3
2.8995698073531E+22
n4
8.9079565872499E+29
n5
2.7366711558073E+37
2 √n
5542.7113401295
3 √n
313.19501502722
4 √n
74.449387775384
5 √n
31.44046094763
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30721648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30721649 can be divided by 8 positive divisors.
The sum of these divisors (counting 30721649) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101001100011001110001
3
Ternary
2010210211011212
4
Quaternary
1311030121301
5
Quinary
30331043044
6
Senary
3014245505
8
Octal
165143161
10
Decimal
30721649
12
Duodecimal
a356895
16
Hexadecimal
1d4c671
20
Vigesimal
9c0429
36
Base36
iagz5
md5
5762bea530a51bde57ea492cc99e6c26
sha1
24900c934f03e9423b28f157deb9f79e095b31d0
sha256
3d1a72b821724cb6c639a9e06d084ab2f5d8e924da7158da7b129c51b6bc69f6
sha512
4e58d6b2547142f7fb4ec0db20b23359559898c7b9dab8a8535042bf4da25fcf601db3d27ce73c0afb7c53b9af1e98a0b8f4bca3413f03cababfaee9d45a555f
ripemd-160
e9f5e68abe789099ce351d37bc237444ddb913cf
Diameter
61443298
Circumference
193029813.60913
Area
2.9650970901175E+15
Volume
1.2145689607135E+23
Surface area
1.186038836047E+16
Circumference
193029813.60913
Perimeter
122886596
Area
943819717279201
Diagonal
43446972.674266
Surface area
5662918303675206
Volume
2.8995698073531E+22
Space diagonal
53211456.960298
Perimeter
92164947
Area
4.0868592587822E+14
Altitude
26605728.480149
Surface area
4.0868592587822E+14
Volume
3.4171757888386E+21
Height
14482324.224755