30621247 is an odd 8-digits composite number following 30621246
and preceding 30621248 . In scientific notation, it is written as 3.0621247 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 30499000 positive integers (up to 30621247) that are relatively prime to 30621247.
30621247 has 4 divisors, whose sum is 30743496
The reverse of 30621247 is 74212603
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty million six hundred twenty-one thousand two hundred forty-seven
Scientific notation
3.0621247 × 10^7
Engineering notation
3.0621247 × 10^6
Prime Factorization
251 × 121997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30621247
Product of the distinct prime numbers
The prime factorization of 30621247 is 251 × 121997.
Since it has a total of 2 prime factors.
2 , 7 , 20 , 94 , 258 , 23 , 8990 , 6136 , 71191 , 64930 , 116435 , 828313 , 4506928 , 1482533 , 40882645 , 37723758 , 192273642 , 235544229 , 2302087838 , 5786809989
n×2
61242494
n×3
91863741
n×4
122484988
n×5
153106235
n÷2
15310623.5
n÷3
10207082.333333
n÷3
7655311.75
n÷5
6124249.4
n2
937660767835009
n3
2.8712341974085E+22
n4
8.7920771553694E+29
n5
2.6922436621762E+37
2 √n
5533.6468083896
3 √n
312.85345649516
4 √n
74.388485724536
5 √n
31.419883798017
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
-30621246
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 30621247 can be divided by 4 positive divisors.
The sum of these divisors (counting 30621247) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100110011111000111111
3
Ternary
2010121201110021
4
Quaternary
1310303320333
5
Quinary
30314334442
6
Senary
3012153011
8
Octal
164637077
10
Decimal
30621247
12
Duodecimal
a308767
16
Hexadecimal
1d33e3f
20
Vigesimal
9b7d27
36
Base36
i8bi7
md5
fdb6561f26fb3ef9f6dbe97ba76b65bd
sha1
e28d6451b3486a5effaeab4135d401e6dc82c4aa
sha256
599aeb3472b32d822527ac0221fee5e48b2334aaf64ff3732a88aeccd0a42cc5
sha512
65e131a56b27af951fa221b7b1a47d9605847ce42c3e1a41e00a48500cb49d316e9338a17970e038a3378b4c88b5624352021142b482b761ee7b45f25cf3b91f
ripemd-160
6c0ed722a21919c7d5278544d36f377b3e458a4d
Diameter
61242494
Circumference
192398969.23792
Area
2.9457481797898E+15
Volume
1.2026997681753E+23
Surface area
1.1782992719159E+16
Circumference
192398969.23792
Perimeter
122484988
Area
937660767835009
Diagonal
43304982.804176
Surface area
5625964607010054
Volume
2.8712341974085E+22
Space diagonal
53037555.595116
Perimeter
91863741
Area
4.0601902253857E+14
Altitude
26518777.797558
Surface area
4.0601902253857E+14
Volume
3.3837819522705E+21
Height
14434994.268059