30621645 is an odd 8-digits composite number following 30621644
and preceding 30621646 . In scientific notation, it is written as 3.0621645 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 15746400 positive integers (up to 30621645) that are relatively prime to 30621645.
30621645 has 16 divisors, whose sum is 38123520
The reverse of 30621645 is 54612603
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty million six hundred twenty-one thousand six hundred forty-five
Scientific notation
3.0621645 × 10^7
Engineering notation
3.0621645 × 10^6
Prime Factorization
729 × 5 × 31 × 271
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30621645
Product of the distinct prime numbers
The prime factorization of 30621645 is 729 × 5 × 31 × 271.
Since it has a total of 4 prime factors.
10 , 2 , 70 , 87 , 630 , 608 , 1856 , 6747 , 35236 , 87112 , 356214 , 182312 , 697873 , 3943231 , 51418813 , 65324307 , 768405875 , 355920389 , 6178206539 , 7084097931
n×2
61243290
n×3
91864935
n×4
122486580
n×5
153108225
n÷2
15310822.5
n÷3
10207215
n÷3
7655411.25
n÷5
6124329
n2
937685142506025
n3
2.8713461555594E+22
n4
8.7925342647654E+29
n5
2.6924186290598E+37
2 √n
5533.6827700908
3 √n
312.85481192805
4 √n
74.388727439652
5 √n
31.419965473651
1 , 5 , 31 , 155 , 271 , 729 , 1355 , 3645 , 8401 , 22599 , 42005 , 112995 , 197559 , 987795 , 6124329 , 30621645
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
-30621644
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 30621645 can be divided by 16 positive divisors.
The sum of these divisors (counting 30621645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100110011111111001101
3
Ternary
2010121202000000
4
Quaternary
1310303333031
5
Quinary
30314343040
6
Senary
3012154513
8
Octal
164637715
10
Decimal
30621645
12
Duodecimal
a308a39
16
Hexadecimal
1d33fcd
20
Vigesimal
9b7e25
36
Base36
i8bt9
md5
a48ad6ecc4dd5125de51b8dc587cfe06
sha1
fd53c44654c31dce14e3d7f824f8c3ef5be308a4
sha256
8e7d7e3ec7635e3043dd18f4543cdf6e2320d5067450534c303d395d75caecea
sha512
ec4199d7aac4c478e4f12b6c9d8de9a5a853f13404f4e9f84c5bdaabe3b077b1199080f90691891b3ff515bd02864238e942a6bce3841040d2284c113f02c992
ripemd-160
68340491afe1cc2a4bcac592781332f0d4d9ed3a
Diameter
61243290
Circumference
192401469.94567
Area
2.9458247550772E+15
Volume
1.2027466650958E+23
Surface area
1.1783299020309E+16
Circumference
192401469.94567
Perimeter
122486580
Area
937685142506025
Diagonal
43305545.661174
Surface area
5626110855036150
Volume
2.8713461555594E+22
Space diagonal
53038244.951337
Perimeter
91864935
Area
4.0602957708072E+14
Altitude
26519122.475669
Surface area
4.0602957708072E+14
Volume
3.3839138962166E+21
Height
14435181.887058