30892721 is an odd 8-digits composite number following 30892720
and preceding 30892722 . In scientific notation, it is written as 3.0892721 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 29988000 positive integers (up to 30892721) that are relatively prime to 30892721.
30892721 has 8 divisors, whose sum is 31805088
The reverse of 30892721 is 12729803
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty million eight hundred ninety-two thousand seven hundred twenty-one
Scientific notation
3.0892721 × 10^7
Engineering notation
3.0892721 × 10^6
Prime Factorization
41 × 211 × 3571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30892721
Product of the distinct prime numbers
The prime factorization of 30892721 is 41 × 211 × 3571.
Since it has a total of 3 prime factors.
6 , 3 , 83 , 52 , 512 , 945 , 5932 , 379 , 52868 , 92628 , 436787 , 851732 , 554586 , 8560983 , 20775147 , 71036505 , 518703778 , 290667731 , 3250317212 , 5495494246
n×2
61785442
n×3
92678163
n×4
123570884
n×5
154463605
n÷2
15446360.5
n÷3
10297573.666667
n÷3
7723180.25
n÷5
6178544.2
n2
954360210783841
n3
2.9482783725246E+22
n4
9.1080341192738E+29
n5
2.8137195690521E+37
2 √n
5558.1220749458
3 √n
313.77527634546
4 √n
74.5528139975
5 √n
31.475398149451
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
-30892720
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 30892721 can be divided by 8 positive divisors.
The sum of these divisors (counting 30892721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101110110001010110001
3
Ternary
2011010111211212
4
Quaternary
1311312022301
5
Quinary
30402031341
6
Senary
3022045505
8
Octal
165661261
10
Decimal
30892721
12
Duodecimal
a419895
16
Hexadecimal
1d762b1
20
Vigesimal
9d1bg1
36
Base36
ie4z5
md5
468ac2aa6fef3f8627cdbe05eba73f75
sha1
6bf539e239d8f865eac4533be7386d85a4f6de26
sha256
34243c26bff069ccdb20ecd8a4d464cc2202ac221e5f57cf13651b4d92de8313
sha512
3acb5f2338a3f3117778f5b9ab457dbe81b46b7d2d1598f7aff0282a8875cfff86032d625a99d4928cfd4613fc5c00f4079551b669e6804850799b66a27d9b9f
ripemd-160
4176efd81b2f213844a1e22146395c35ccfb689f
Diameter
61785442
Circumference
194104690.686
Area
2.9982110270769E+15
Volume
1.2349719567815E+23
Surface area
1.1992844108308E+16
Circumference
194104690.686
Perimeter
123570884
Area
954360210783841
Diagonal
43688905.016808
Surface area
5726161264703046
Volume
2.9482783725246E+22
Space diagonal
53507762.35605
Perimeter
92678163
Area
4.1325009344994E+14
Altitude
26753881.178025
Surface area
4.1325009344994E+14
Volume
3.4745793833964E+21
Height
14562968.338936