15742420 is an even 8-digits composite number following 15742419
and preceding 15742421 . In scientific notation, it is written as 1.5742420 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 6093600 positive integers (up to 15742420) that are relatively prime to 15742420.
15742420 has 24 divisors, whose sum is 34126848
The reverse of 15742420 is 02424751
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
fifteen million seven hundred forty-two thousand four hundred twenty
Scientific notation
1.5742420 × 10^7
Engineering notation
1.5742420 × 10^6
Prime Factorization
2 × 2 × 31 × 5 × 25391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7871210
Product of the distinct prime numbers
The prime factorization of 15742420 is 2 × 2 × 31 × 5 × 25391.
Since it has a total of 5 prime factors.
5 , 9 , 100 , 67 , 573 , 695 , 9493 , 5344 , 2392 , 32235 , 132155 , 315446 , 4138944 , 353123 , 89968171 , 67272331 , 15357518 , 68062127 , 8430582314 , 1901009246
n×2
31484840
n×3
47227260
n×4
62969680
n×5
78712100
n÷2
7871210
n÷3
5247473.3333333
n÷3
3935605
n÷5
3148484
n2
247823787456400
n3
3.9013461481294E+21
n4
6.1416629629235E+28
n5
9.6684637860786E+35
2 √n
3967.6718614321
3 √n
250.62467781046
4 √n
62.989458335757
5 √n
27.505167813523
1 , 2 , 4 , 5 , 10 , 20 , 31 , 62 , 124 , 155 , 310 , 620 , 25391 , 50782 , 101564 , 126955 , 253910 , 507820 , 787121 , 1574242 , 3148484 , 3935605 , 7871210 , 15742420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15742419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15742420 can be divided by 24 positive divisors.
The sum of these divisors (counting 15742420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111100000011010111010100
3
Ternary
1002121210112121
4
Quaternary
330003113110
5
Quinary
13012224140
6
Senary
1321225324
8
Octal
74032724
10
Decimal
15742420
12
Duodecimal
5332244
16
Hexadecimal
f035d4
20
Vigesimal
4i7g10
36
Base36
9dexg
md5
f2a528bec56bac620e5c8a808fcf5da7
sha1
f089d16578a17b88ed0f46a6a945dc12ff14fea6
sha256
98b13d387343c6476a290bcb6694c7243aa10596d730214edf5ffeea68fa4005
sha512
5c3f9177c27f6f7607c0fcbc3eddb1d76d027cf7a25c7870b190262da9c8cf774f6cc3a3d04627e96accd8931689828d7e089a710398f21373346c033ec5c2e8
ripemd-160
8751510db754423d962b988f293df07db8464514
Diameter
31484840
Circumference
98912542.04345
Area
7.7856139005782E+14
Volume
1.6341920530765E+22
Surface area
3.1142455602313E+15
Circumference
98912542.04345
Perimeter
62969680
Area
247823787456400
Diagonal
22263143.868573
Surface area
1486942724738400
Volume
3.9013461481294E+21
Space diagonal
27266671.274088
Perimeter
47227260
Area
1.0731084779966E+14
Altitude
13633335.637044
Surface area
1.0731084779966E+14
Volume
4.5977805284972E+20
Height
7421047.9561912