15721996 is an even 8-digits composite number following 15721995
and preceding 15721997 . In scientific notation, it is written as 1.5721996 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 7847280 positive integers (up to 15721996) that are relatively prime to 15721996.
15721996 has 12 divisors, whose sum is 27561520
The reverse of 15721996 is 69912751
Previous prime number is 631
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
fifteen million seven hundred twenty-one thousand nine hundred ninety-six
Scientific notation
1.5721996 × 10^7
Engineering notation
1.5721996 × 10^6
Prime Factorization
2 × 2 × 631 × 6229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7860998
Product of the distinct prime numbers
The prime factorization of 15721996 is 2 × 2 × 631 × 6229.
Since it has a total of 4 prime factors.
3 , 10 , 56 , 33 , 509 , 526 , 9900 , 3439 , 2472 , 93183 , 189453 , 180671 , 4000748 , 8450660 , 95875382 , 6559253 , 472849028 , 681787333 , 7588510769 , 2828400031
n×2
31443992
n×3
47165988
n×4
62887984
n×5
78609980
n÷2
7860998
n÷3
5240665.3333333
n÷3
3930499
n÷5
3144399.2
n2
247181158224016
n3
3.8861811808733E+21
n4
6.1098524980966E+28
n5
9.6059076535665E+35
2 √n
3965.0972245331
3 √n
250.51624522967
4 √n
62.96901797339
5 √n
27.49802714131
1 , 2 , 4 , 631 , 1262 , 2524 , 6229 , 12458 , 24916 , 3930499 , 7860998 , 15721996
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15721995
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15721996 can be divided by 12 positive divisors.
The sum of these divisors (counting 15721996) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011111110011000001100
3
Ternary
1002120202112011
4
Quaternary
323332120030
5
Quinary
13011100441
6
Senary
1320551004
8
Octal
73763014
10
Decimal
15721996
12
Duodecimal
5322464
16
Hexadecimal
efe60c
20
Vigesimal
4i54jg
36
Base36
9cz64
md5
7f2623b5a5c2e6b56ac640a5bc5d31d6
sha1
1462ea63e5cfc1d4d0ade0ad7d41a8197398b63e
sha256
e7f23ba6a862a2547967d41bb033a6b8c1d17fa4000417d9427163c86b5d643d
sha512
b559fccdd796e12c6114362a89451453c07079f4fe9f86d2085c5dcaddade5208433076ff6400785f1ff35c96cc8ac819b59ff76f23eaadea3a0ed1e9b08232c
ripemd-160
a807130b796ad1e80b31dcbb0685ceac93d9cbcd
Diameter
31443992
Circumference
98784214.266736
Area
7.7654251078238E+14
Volume
1.6278397664467E+22
Surface area
3.1061700431295E+15
Circumference
98784214.266736
Perimeter
62887984
Area
247181158224016
Diagonal
22234259.970776
Surface area
1483086949344096
Volume
3.8861811808733E+21
Space diagonal
27231295.868395
Perimeter
47165988
Area
1.0703258117943E+14
Altitude
13615647.934197
Surface area
1.0703258117943E+14
Volume
4.5799084431918E+20
Height
7411419.9902585