20151540 is an even 8-digits composite number following 20151539
and preceding 20151541 . In scientific notation, it is written as 2.0151540 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 5373696 positive integers (up to 20151540) that are relatively prime to 20151540.
20151540 has 24 divisors, whose sum is 47020680
The reverse of 20151540 is 04515102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred fifty-one thousand five hundred forty
Scientific notation
2.0151540 × 10^7
Engineering notation
2.0151540 × 10^6
Prime Factorization
2 × 2 × 9 × 5 × 111953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10075770
Product of the distinct prime numbers
The prime factorization of 20151540 is 2 × 2 × 9 × 5 × 111953.
Since it has a total of 5 prime factors.
7 , 4 , 2 , 51 , 84 , 449 , 8473 , 5346 , 34484 , 43191 , 612906 , 417231 , 7864300 , 8227355 , 5091995 , 77064847 , 287189611 , 570955134 , 528535960 , 6872909938
n×2
40303080
n×3
60454620
n×4
80606160
n×5
100757700
n÷2
10075770
n÷3
6717180
n÷3
5037885
n÷5
4030308
n2
406084564371600
n3
8.1832293423169E+21
n4
1.6490467342087E+29
n5
3.3230831226276E+36
2 √n
4489.0466693943
3 √n
272.12560879614
4 √n
67.000348278157
5 √n
28.897591543403
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 90 , 180 , 111953 , 223906 , 447812 , 559765 , 1007577 , 1119530 , 2015154 , 2239060 , 4030308 , 5037885 , 10075770 , 20151540
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
-20151539
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 20151540 can be divided by 24 positive divisors.
The sum of these divisors (counting 20151540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110111110011110100
3
Ternary
1101220210201100
4
Quaternary
1030313303310
5
Quinary
20124322130
6
Senary
1555530100
8
Octal
114676364
10
Decimal
20151540
12
Duodecimal
68b9930
16
Hexadecimal
1337cf4
20
Vigesimal
65iih0
36
Base36
bzx10
md5
420f25a9ec8c7a5542a933c0f5fdf600
sha1
435562903a7814d5adfd4f82f6d2a8de08603924
sha256
45998e2220e4bb79fb5964a79c378537902161f74aeb23936a94dafa69e5cb88
sha512
27f538642455035975bcb8917ffb86598fb18149e550bb9bd7cf010b7c04a3f0763defddd560e0eff8aa0e7169126a11b0e2587006480154fb144adbb2b8c626
ripemd-160
d8b8e00618bf53e61c2d7402b935d0c4a7454187
Diameter
40303080
Circumference
126615860.04504
Area
1.275752284166E+15
Volume
3.4277830912617E+22
Surface area
5.1030091366641E+15
Circumference
126615860.04504
Perimeter
80606160
Area
406084564371600
Diagonal
28498581.170704
Surface area
2436507386229600
Volume
8.1832293423169E+21
Space diagonal
34903491.130757
Perimeter
60454620
Area
1.7583977441527E+14
Altitude
17451745.565378
Surface area
1.7583977441527E+14
Volume
9.644028266595E+20
Height
9499527.0569013