12187894 is an even 8-digits composite number following 12187893
and preceding 12187895 . In scientific notation, it is written as 1.2187894 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 6093946 positive integers (up to 12187894) that are relatively prime to 12187894.
12187894 has 4 divisors, whose sum is 18281844
The reverse of 12187894 is 49878121
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million one hundred eighty-seven thousand eight hundred ninety-four
Scientific notation
1.2187894 × 10^7
Engineering notation
1.2187894 × 10^6
Prime Factorization
2 × 6093947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12187894
Product of the distinct prime numbers
The prime factorization of 12187894 is 2 × 6093947.
Since it has a total of 2 prime factors.
3 , 1 , 57 , 41 , 479 , 763 , 5524 , 1757 , 64340 , 65050 , 751614 , 645051 , 5113709 , 2474723 , 40582122 , 31055854 , 906164065 , 146177491 , 6587077223 , 3163678545
n×2
24375788
n×3
36563682
n×4
48751576
n×5
60939470
n÷2
6093947
n÷3
4062631.3333333
n÷3
3046973.5
n÷5
2437578.8
n2
148544760155236
n3
1.8104477910274E+21
n4
2.2065545769577E+28
n5
2.6893253289175E+35
2 √n
3491.1164403382
3 √n
230.13158192311
4 √n
59.085670346864
5 √n
26.132787301486
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12187893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12187894 can be divided by 4 positive divisors.
The sum of these divisors (counting 12187894) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110011111100011110110
3
Ternary
211221012122111
4
Quaternary
232133203312
5
Quinary
11110003034
6
Senary
1113121234
8
Octal
56374366
10
Decimal
12187894
12
Duodecimal
40b921a
16
Hexadecimal
b9f8f6
20
Vigesimal
3g39ee
36
Base36
7988m
md5
9af05b0ba4667139cb9adc38a8771ef2
sha1
0f1420876a4e46241bfaf3302b64d760b0c887a0
sha256
d3afa00efe51861cb97623f2ef5e12a554c599bf53b18b5532fa47abac5dfe52
sha512
0b6aa19cab0cbd91f4b0b8c6dde71a738cc18b954a417f14f6b6db6ab4f0239862211d604dc6047b6d7892b696a5d7088b6a95bfa4e43ec32f20db77e77b4e0c
ripemd-160
5eac3b41768c40e5f4941ca0644de6c24ff5c0aa
Diameter
24375788
Circumference
76578796.506262
Area
4.6666712723295E+14
Volume
7.5835859733329E+21
Surface area
1.8666685089318E+15
Circumference
76578796.506262
Perimeter
48751576
Area
148544760155236
Diagonal
17236284.991566
Surface area
891268560931416
Volume
1.8104477910274E+21
Space diagonal
21110051.645264
Perimeter
36563682
Area
64321767946750
Altitude
10555025.822632
Surface area
64321767946750
Volume
2.1336331833662E+20
Height
5745428.3305219