30805621 is an odd 8-digits composite number following 30805620
and preceding 30805622 . In scientific notation, it is written as 3.0805621 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 23773680 positive integers (up to 30805621) that are relatively prime to 30805621.
30805621 has 16 divisors, whose sum is 38776320
The reverse of 30805621 is 12650803
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty million eight hundred five thousand six hundred twenty-one
Scientific notation
3.0805621 × 10^7
Engineering notation
3.0805621 × 10^6
Prime Factorization
7 × 11 × 107 × 3739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30805621
Product of the distinct prime numbers
The prime factorization of 30805621 is 7 × 11 × 107 × 3739.
Since it has a total of 4 prime factors.
9 , 9 , 20 , 1 , 825 , 777 , 4029 , 4790 , 40461 , 22566 , 622286 , 767289 , 9634530 , 9007054 , 36135761 , 6643779 , 114437996 , 659026993 , 2658687087 , 3851279338
n×2
61611242
n×3
92416863
n×4
123222484
n×5
154028105
n÷2
15402810.5
n÷3
10268540.333333
n÷3
7701405.25
n÷5
6161124.2
n2
948986285195641
n3
2.9234111835935E+22
n4
9.0057496948942E+29
n5
2.7742771192178E+37
2 √n
5550.2811640493
3 √n
313.48010916825
4 √n
74.500209154399
5 √n
31.45762953516
1 , 7 , 11 , 77 , 107 , 749 , 1177 , 3739 , 8239 , 26173 , 41129 , 287903 , 400073 , 2800511 , 4400803 , 30805621
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
-30805620
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 30805621 can be divided by 16 positive divisors.
The sum of these divisors (counting 30805621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101100000111001110101
3
Ternary
2010222002100221
4
Quaternary
1311200321311
5
Quinary
30341234441
6
Senary
3020134341
8
Octal
165407165
10
Decimal
30805621
12
Duodecimal
a3973b1
16
Hexadecimal
1d60e75
20
Vigesimal
9cae11
36
Base36
ic9rp
md5
641772a32d07c868b3f21fe32a991ed4
sha1
6cfb01ad08d1468b26d9996e0b0485d7cf63b6d9
sha256
95b37bc24f7c826ba30b30fb762a9718af8537020aeaa7545881e8ecbdd67fe4
sha512
5c19ec00233e76a2fbef1d5f90152a00f9dab73074e31ce9eabc94e50eb73be24d2c4241674e8ed6be3616dc9a0751b4b7973c7d2ff16be31596104afaf50e3b
ripemd-160
7c93e1b23fd58c917e44a20d2fabb8d20b326587
Diameter
61611242
Circumference
193557425.24574
Area
2.9813283419281E+15
Volume
1.2245556130399E+23
Surface area
1.1925313367712E+16
Circumference
193557425.24574
Perimeter
123222484
Area
948986285195641
Diagonal
43565727.015525
Surface area
5693917711173846
Volume
2.9234111835935E+22
Space diagonal
53356900.730711
Perimeter
92416863
Area
4.1092311541122E+14
Altitude
26678450.365355
Surface area
4.1092311541122E+14
Volume
3.4452731201926E+21
Height
14521909.005175