15742988 is an even 8-digits composite number following 15742987
and preceding 15742989 . In scientific notation, it is written as 1.5742988 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 7688352 positive integers (up to 15742988) that are relatively prime to 15742988.
15742988 has 12 divisors, whose sum is 28191240
The reverse of 15742988 is 88924751
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
fifteen million seven hundred forty-two thousand nine hundred eighty-eight
Scientific notation
1.5742988 × 10^7
Engineering notation
1.5742988 × 10^6
Prime Factorization
2 × 2 × 43 × 91529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7871494
Product of the distinct prime numbers
The prime factorization of 15742988 is 2 × 2 × 43 × 91529.
Since it has a total of 4 prime factors.
1 , 5 , 19 , 25 , 819 , 830 , 5178 , 6959 , 27814 , 87209 , 913918 , 508133 , 5419348 , 1312717 , 47145826 , 10455298 , 549885293 , 522038027 , 9428783658 , 5472479410
n×2
31485976
n×3
47228964
n×4
62971952
n×5
78714940
n÷2
7871494
n÷3
5247662.6666667
n÷3
3935747
n÷5
3148597.6
n2
247841671168144
n3
3.9017684551E+21
n4
6.1425493967418E+28
n5
9.6702081442314E+35
2 √n
3967.7434392864
3 √n
250.62769202524
4 √n
62.990026506475
5 √n
27.505366292662
1 , 2 , 4 , 43 , 86 , 172 , 91529 , 183058 , 366116 , 3935747 , 7871494 , 15742988
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
-15742987
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 15742988 can be divided by 12 positive divisors.
The sum of these divisors (counting 15742988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100000011100000001100
3
Ternary
1002121211022122
4
Quaternary
330003200030
5
Quinary
13012233423
6
Senary
1321232112
8
Octal
74034014
10
Decimal
15742988
12
Duodecimal
5332638
16
Hexadecimal
f0380c
20
Vigesimal
4i7h98
36
Base36
9dfd8
md5
64a6410030adefcaf9079e331193d375
sha1
b7ac68c73df8646b5ae77c33b4af4d943badf3d0
sha256
c2a777609780600fa51b18a305e66785ea288988c31a3474e5b27fbe45635135
sha512
bf872a8545f1b0f25a5165aad03448b0356a18b1600df167d20e4f4ac2e55d0837218ab23bb895ee9d7203490503207a9bf90e56e60f60fc69ae2a1cad71490d
ripemd-160
e69a7a7c71cdc1868f818b4d9686b9eb399db1a4
Diameter
31485976
Circumference
98916110.892705
Area
7.7861757339526E+14
Volume
1.6343689486068E+22
Surface area
3.114470293581E+15
Circumference
98916110.892705
Perimeter
62971952
Area
247841671168144
Diagonal
22263947.141877
Surface area
1487050027008864
Volume
3.9017684551E+21
Space diagonal
27267655.078947
Perimeter
47228964
Area
1.07318591674E+14
Altitude
13633827.539474
Surface area
1.07318591674E+14
Volume
4.598278222035E+20
Height
7421315.713959