12187946 is an even 8-digits composite number following 12187945
and preceding 12187947 . In scientific notation, it is written as 1.2187946 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 5399296 positive integers (up to 12187946) that are relatively prime to 12187946.
12187946 has 32 divisors, whose sum is 20528640
The reverse of 12187946 is 64978121
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million one hundred eighty-seven thousand nine hundred forty-six
Scientific notation
1.2187946 × 10^7
Engineering notation
1.2187946 × 10^6
Prime Factorization
2 × 29 × 17 × 47 × 263
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12187946
Product of the distinct prime numbers
The prime factorization of 12187946 is 2 × 29 × 17 × 47 × 263.
Since it has a total of 5 prime factors.
5 , 3 , 9 , 78 , 11 , 169 , 4533 , 3121 , 16046 , 66372 , 426146 , 375703 , 1795056 , 8764025 , 39594141 , 9837894 , 815636318 , 523624631 , 631119888 , 3568921628
n×2
24375892
n×3
36563838
n×4
48751784
n×5
60939730
n÷2
6093973
n÷3
4062648.6666667
n÷3
3046986.5
n÷5
2437589.2
n2
148546027698916
n3
1.8104709641089E+21
n4
2.2065922345127E+28
n5
2.689382699826E+35
2 √n
3491.1238878046
3 √n
230.13190921032
4 √n
59.08573336944
5 √n
26.132809600705
1 , 2 , 17 , 29 , 34 , 47 , 58 , 94 , 263 , 493 , 526 , 799 , 986 , 1363 , 1598 , 2726 , 4471 , 7627 , 8942 , 12361 , 15254 , 23171 , 24722 , 46342 , 129659 , 210137 , 259318 , 358469 , 420274 , 716938 , 6093973 , 12187946
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12187945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12187946 can be divided by 32 positive divisors.
The sum of these divisors (counting 12187946) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101110011111100100101010
3
Ternary
211221012201102
4
Quaternary
232133210222
5
Quinary
11110003241
6
Senary
1113121402
8
Octal
56374452
10
Decimal
12187946
12
Duodecimal
40b9262
16
Hexadecimal
b9f92a
20
Vigesimal
3g39h6
36
Base36
798a2
md5
0d4579a3c4e5d18e1208ad9a27f76328
sha1
6e82c55da0e2969caeecc93e87a1a14f7866773b
sha256
8a5a8ad244bd8ed07ff24d43b75f9c4f241f01222c747d4d61d8c5c8f03873d2
sha512
1391bb0238356be18019ab958b82c2771378399672423264a43a1ce79924f0905faea2da927f2344b9cf9878234e4687a8733d7043db215ce55d397fc88d592e
ripemd-160
57e80df303fa0ad1182b00cc890edc6abc230df5
Diameter
24375892
Circumference
76579123.231898
Area
4.6667110933886E+14
Volume
7.5836830405095E+21
Surface area
1.8666844373554E+15
Circumference
76579123.231898
Perimeter
48751784
Area
148546027698916
Diagonal
17236358.530671
Surface area
891276166193496
Volume
1.8104709641089E+21
Space diagonal
21110141.711906
Perimeter
36563838
Area
64322316809264
Altitude
10555070.855953
Surface area
64322316809264
Volume
2.1336604931046E+20
Height
5745452.843557