12087881 is an odd 8-digits composite number following 12087880
and preceding 12087882 . In scientific notation, it is written as 1.2087881 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 11128320 positive integers (up to 12087881) that are relatively prime to 12087881.
12087881 has 8 divisors, whose sum is 13052424
The reverse of 12087881 is 18878021
Previous prime number is 2017
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million eighty-seven thousand eight hundred eighty-one
Scientific notation
1.2087881 × 10^7
Engineering notation
1.2087881 × 10^6
Prime Factorization
13 × 2017 × 461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12087881
Product of the distinct prime numbers
The prime factorization of 12087881 is 13 × 2017 × 461.
Since it has a total of 3 prime factors.
3 , 3 , 51 , 98 , 635 , 349 , 7609 , 2883 , 60072 , 63521 , 874657 , 109286 , 6993453 , 6585147 , 53947529 , 8451213 , 10882193 , 981772990 , 2139262194 , 8854639299
n×2
24175762
n×3
36263643
n×4
48351524
n×5
60439405
n÷2
6043940.5
n÷3
4029293.6666667
n÷3
3021970.25
n÷5
2417576.2
n2
146116867070161
n3
1.7662433012369E+21
n4
2.1350138842399E+28
n5
2.580779376604E+35
2 √n
3476.7630060158
3 √n
229.50037101846
4 √n
58.964082338452
5 √n
26.089757064979
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12087880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12087881 can be divided by 8 positive divisors.
The sum of these divisors (counting 12087881) is 1, the average is 0.125.
Base
System
Value
2
Binary
101110000111001001001001
3
Ternary
211202010110022
4
Quaternary
232013021021
5
Quinary
11043303011
6
Senary
1111030225
8
Octal
56071111
10
Decimal
12087881
12
Duodecimal
406b375
16
Hexadecimal
b87249
20
Vigesimal
3faje1
36
Base36
7732h
md5
dfdc838c310a198ab2b695fbb69d896a
sha1
56abeffd8c80abf0c1ee2d6a69a2ca4434673e0f
sha256
b6f2c66f40a7854e281ee33ac6dd9d4b4b18a7f5edbf54c7b6f67c460f66a99e
sha512
1b5ee508b8c76f86e145bede130eaa89058f9621e731653d85b8c37abdba14cbb70652ded38e4267ccbc2cdd04ae25469fc05300c586bc9fe0b7ff39e9512cb6
ripemd-160
d09c5435e8913641395dcfd98bb3e5b44fc16749
Diameter
24175762
Circumference
75950396.294135
Area
4.5903967615317E+14
Volume
7.3984226394908E+21
Surface area
1.8361587046127E+15
Circumference
75950396.294135
Perimeter
48351524
Area
146116867070161
Diagonal
17094845.250552
Surface area
876701202420966
Volume
1.7662433012369E+21
Space diagonal
20936824.047846
Perimeter
36263643
Area
63270459402077
Altitude
10468412.023923
Surface area
63270459402077
Volume
2.0815376925499E+20
Height
5698281.750184