15668961 is an odd 8-digits composite number following 15668960
and preceding 15668962 . In scientific notation, it is written as 1.5668961 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 7855680 positive integers (up to 15668961) that are relatively prime to 15668961.
15668961 has 8 divisors, whose sum is 16473600
The reverse of 15668961 is 16986651
Previous prime number is 319
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
fifteen million six hundred sixty-eight thousand nine hundred sixty-one
Scientific notation
1.5668961 × 10^7
Engineering notation
1.5668961 × 10^6
Prime Factorization
21 × 319 × 2339
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15668961
Product of the distinct prime numbers
The prime factorization of 15668961 is 21 × 319 × 2339.
Since it has a total of 3 prime factors.
2 , 5 , 72 , 87 , 607 , 151 , 8558 , 6804 , 64801 , 32224 , 281556 , 820210 , 6372810 , 2276472 , 92402312 , 38652076 , 326971284 , 794187304 , 6262526801 , 3624045515
n×2
31337922
n×3
47006883
n×4
62675844
n×5
78344805
n÷2
7834480.5
n÷3
5222987
n÷3
3917240.25
n÷5
3133792.2
n2
245516338819521
n3
3.8469859378259E+21
n4
6.0278272627342E+28
n5
9.4449790294519E+35
2 √n
3958.403844986
3 √n
250.23423912625
4 √n
62.915847327887
5 √n
27.479450242387
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15668960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15668961 can be divided by 8 positive divisors.
The sum of these divisors (counting 15668961) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011110001011011100001
3
Ternary
1002111001202220
4
Quaternary
323301123201
5
Quinary
13002401321
6
Senary
1315501253
8
Octal
73613341
10
Decimal
15668961
12
Duodecimal
52b7829
16
Hexadecimal
ef16e1
20
Vigesimal
4hic81
36
Base36
9bu8x
md5
f1881c8228e10916a6c6d8672c171bed
sha1
a3c137b6847a4c16826e4702b9069b082b4ff1ba
sha256
17f7391d949da03f113e80bb489621a909da7450a787ed4bae9f8a7f4470ac94
sha512
acaee9b3bf865b8ee40a060bc41e0b15f0d0baa61a54b17a617b12a0ca3ec1884cdd3e0454a04e9f02138c088a2a2065d44c3b256eb9f35da4d7198ee9e57ac9
ripemd-160
a8e2b346e5c3e3ec0b6367609631a1aaddc2d099
Diameter
31337922
Circumference
98450985.53397
Area
7.7131232637167E+14
Volume
1.6114217014316E+22
Surface area
3.0852493054867E+15
Circumference
98450985.53397
Perimeter
62675844
Area
245516338819521
Diagonal
22159257.154495
Surface area
1473098032917126
Volume
3.8469859378259E+21
Space diagonal
27139436.553815
Perimeter
47006883
Area
1.0631169323093E+14
Altitude
13569718.276908
Surface area
1.0631169323093E+14
Volume
4.5337164062766E+20
Height
7386419.0514984