15668621 is an odd 8-digits prime number following 15668620
and preceding 15668622 . In scientific notation, it is written as 1.5668621 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 15668620 positive integers (up to 15668621) that are relatively prime to 15668621.
15668621 has 2 divisors, whose sum is 15668622
The reverse of 15668621 is 12686651
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
fifteen million six hundred sixty-eight thousand six hundred twenty-one
Scientific notation
1.5668621 × 10^7
Engineering notation
1.5668621 × 10^6
Prime Factorization
15668621
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
15668621
Product of the distinct prime numbers
The prime factorization of 15668621 is 15668621.
Since it has a total of 1 prime factors.
9 , 7 , 52 , 12 , 858 , 959 , 3011 , 7410 , 84705 , 26486 , 739450 , 115053 , 9393421 , 257921 , 14746526 , 79999601 , 730539953 , 966903318 , 5882695311 , 8460543828
n×2
31337242
n×3
47005863
n×4
62674484
n×5
78343105
n÷2
7834310.5
n÷3
5222873.6666667
n÷3
3917155.25
n÷5
3133724.2
n2
245505684041641
n3
3.8467355165942E+21
n4
6.0273040896754E+28
n5
9.4439543432874E+35
2 √n
3958.3608981496
3 √n
250.23242917308
4 √n
62.915506023155
5 √n
27.479330986309
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
15668622
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
7834311
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3958.3610244645
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998723564
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15668621 can be divided by 2 positive divisors.
The sum of these divisors (counting 15668621) is 15668622, the average is 7834311.
Base
System
Value
2
Binary
111011110001010110001101
3
Ternary
1002111001022022
4
Quaternary
323301112031
5
Quinary
13002343441
6
Senary
1315455525
8
Octal
73612615
10
Decimal
15668621
12
Duodecimal
52b75a5
16
Hexadecimal
ef158d
20
Vigesimal
4hibb1
36
Base36
9btzh
md5
ba02e9312abf4b60cf2c1488147db4d7
sha1
0d6b1425f4ecccda674c049e363c107ab74144c0
sha256
6ad189d1e35549c35e57cee8bef303fb391326420b9bc7d332f193ca66fc688c
sha512
bea1a9ea3751393fd5a86b1fde7cc39ecbf1a7f8dc0167aaa9f9fe2f5e2e12aa99c85e1147ce5fc25bd3e5cbe6f3633e82d20515a44ad2c36a93990a9bd0ce65
ripemd-160
ba1d0c6f355fecacb09e775303e7c1239f285c05
Diameter
31337242
Circumference
98448849.250966
Area
7.7127885339976E+14
Volume
1.6113168052314E+22
Surface area
3.085115413599E+15
Circumference
98448849.250966
Perimeter
62674484
Area
245505684041641
Diagonal
22158776.321884
Surface area
1473034104249846
Volume
3.8467355165942E+21
Space diagonal
27138847.656541
Perimeter
47005863
Area
1.0630707957677E+14
Altitude
13569423.82827
Surface area
1.0630707957677E+14
Volume
4.5334212820249E+20
Height
7386258.7739613