30721684 is an even 8-digits composite number following 30721683
and preceding 30721685 . In scientific notation, it is written as 3.0721684 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 13166424 positive integers (up to 30721684) that are relatively prime to 30721684.
30721684 has 12 divisors, whose sum is 61443424
The reverse of 30721684 is 48612703
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty million seven hundred twenty-one thousand six hundred eighty-four
Scientific notation
3.0721684 × 10^7
Engineering notation
3.0721684 × 10^6
Prime Factorization
2 × 2 × 7 × 1097203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15360842
Product of the distinct prime numbers
The prime factorization of 30721684 is 2 × 2 × 7 × 1097203.
Since it has a total of 4 prime factors.
9 , 5 , 71 , 28 , 656 , 710 , 2747 , 3816 , 97625 , 1977 , 499218 , 753924 , 453340 , 8421405 , 81272855 , 84739685 , 400171893 , 399867821 , 5305456234 , 2680854429
n×2
61443368
n×3
92165052
n×4
122886736
n×5
153608420
n÷2
15360842
n÷3
10240561.333333
n÷3
7680421
n÷5
6144336.8
n2
943821867795856
n3
2.8995797174714E+22
n4
8.9079971812966E+29
n5
2.7366867447668E+37
2 √n
5542.7144974281
3 √n
313.19513396421
4 √n
74.44940897971
5 √n
31.44046811141
1 , 2 , 4 , 7 , 14 , 28 , 1097203 , 2194406 , 4388812 , 7680421 , 15360842 , 30721684
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
-30721683
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 30721684 can be divided by 12 positive divisors.
The sum of these divisors (counting 30721684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101001100011010010100
3
Ternary
2010210211020011
4
Quaternary
1311030122110
5
Quinary
30331043214
6
Senary
3014250004
8
Octal
165143224
10
Decimal
30721684
12
Duodecimal
a356904
16
Hexadecimal
1d4c694
20
Vigesimal
9c0444
36
Base36
iah04
md5
183c9976720211ef271ad0457013a07a
sha1
659446a92b8fd94ad47b58dcaa8a4f74ea3ef991
sha256
b8f18f93ea7de5bda11afc1c36162efb92062323d760146e1203cc83d6ed1cbe
sha512
7a141ce127fcd762cc3019b3607e76a7de3f08753dd2ec7731d543869c9d617f7734814628e2b68644f3d3b5f6449e495bee4d0c5345c8d5b3cd459d95f738ae
ripemd-160
05ea052c17a5ebc00a7617e01c0434650073aead
Diameter
61443368
Circumference
193030033.52061
Area
2.9651038461649E+15
Volume
1.2145731118542E+23
Surface area
1.1860415384659E+16
Circumference
193030033.52061
Perimeter
122886736
Area
943821867795856
Diagonal
43447022.171741
Surface area
5662931206775136
Volume
2.8995797174714E+22
Space diagonal
53211517.582076
Perimeter
92165052
Area
4.0868685707924E+14
Altitude
26605758.791038
Surface area
4.0868685707924E+14
Volume
3.417187468025E+21
Height
14482340.723914