30621809 is an odd 8-digits composite number following 30621808
and preceding 30621810 . In scientific notation, it is written as 3.0621809 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 29290404 positive integers (up to 30621809) that are relatively prime to 30621809.
30621809 has 4 divisors, whose sum is 31953216
The reverse of 30621809 is 90812603
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty million six hundred twenty-one thousand eight hundred nine
Scientific notation
3.0621809 × 10^7
Engineering notation
3.0621809 × 10^6
Prime Factorization
23 × 1331383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30621809
Product of the distinct prime numbers
The prime factorization of 30621809 is 23 × 1331383.
Since it has a total of 2 prime factors.
5 , 5 , 28 , 92 , 440 , 204 , 6027 , 3764 , 10183 , 84305 , 9880 , 619251 , 794601 , 4858025 , 4884147 , 97861666 , 627624798 , 132815432 , 1271298347 , 9903745820
n×2
61243618
n×3
91865427
n×4
122487236
n×5
153109045
n÷2
15310904.5
n÷3
10207269.666667
n÷3
7655452.25
n÷5
6124361.8
n2
937695186432481
n3
2.8713922899155E+22
n4
8.7927226265865E+29
n5
2.6924907286131E+37
2 √n
5533.6975884123
3 √n
312.85537044472
4 √n
74.38882704017
5 √n
31.41999912869
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30621808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30621809 can be divided by 4 positive divisors.
The sum of these divisors (counting 30621809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100110100000001110001
3
Ternary
2010121202020002
4
Quaternary
1310310001301
5
Quinary
30314344214
6
Senary
3012155345
8
Octal
164640161
10
Decimal
30621809
12
Duodecimal
a308b55
16
Hexadecimal
1d34071
20
Vigesimal
9b7ea9
36
Base36
i8bxt
md5
78f267a769d6a0272a946be66915cb3e
sha1
6f8a4d0e83afc3d88ad4e80720c029d07f3a3631
sha256
475b702d7381f0049453a96cc6348f2930e7dbbd70e94f064c0a407486209a23
sha512
ad6e9bac330c80ffa0fa2224f7832b5e342e6b9bab6e0aa1b16fb1c6ce18f5f881c4c42a84f1a32738bf0574a73df3e5a51baaa24e96b106beb2f7c5d3c600d8
ripemd-160
c43b1f00c37ee0e80ca6e1b7ed6b03cd91a3f62c
Diameter
61243618
Circumference
192402500.38806
Area
2.9458563090028E+15
Volume
1.2027659898097E+23
Surface area
1.1783425236011E+16
Circumference
192402500.38806
Perimeter
122487236
Area
937695186432481
Diagonal
43305777.592199
Surface area
5626171118594886
Volume
2.8713922899155E+22
Space diagonal
53038529.00767
Perimeter
91865427
Area
4.0603392622846E+14
Altitude
26519264.503835
Surface area
4.0603392622846E+14
Volume
3.3839682660767E+21
Height
14435259.1974