12161812 is an even 8-digits composite number following 12161811
and preceding 12161813 . In scientific notation, it is written as 1.2161812 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 5613120 positive integers (up to 12161812) that are relatively prime to 12161812.
12161812 has 12 divisors, whose sum is 22920436
The reverse of 12161812 is 21816121
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twelve million one hundred sixty-one thousand eight hundred twelve
Scientific notation
1.2161812 × 10^7
Engineering notation
1.2161812 × 10^6
Prime Factorization
2 × 2 × 13 × 233881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6080906
Product of the distinct prime numbers
The prime factorization of 12161812 is 2 × 2 × 13 × 233881.
Since it has a total of 4 prime factors.
9 , 2 , 42 , 39 , 731 , 690 , 5511 , 2298 , 13229 , 13133 , 727533 , 439983 , 8476824 , 4133365 , 77472926 , 32656569 , 860905168 , 496839770 , 5955429607 , 4350578220
n×2
24323624
n×3
36485436
n×4
48647248
n×5
60809060
n÷2
6080906
n÷3
4053937.3333333
n÷3
3040453
n÷5
2432362.4
n2
147909671123344
n3
1.7988496131839E+21
n4
2.1877270811816E+28
n5
2.6606725468639E+35
2 √n
3487.378958473
3 √n
229.96730474127
4 √n
59.054034226909
5 √n
26.12159292201
1 , 2 , 4 , 13 , 26 , 52 , 233881 , 467762 , 935524 , 3040453 , 6080906 , 12161812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12161811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12161812 can be divided by 12 positive divisors.
The sum of these divisors (counting 12161812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101110011001001100010100
3
Ternary
211212212212111
4
Quaternary
232121030110
5
Quinary
11103134222
6
Senary
1112400404
8
Octal
56311424
10
Decimal
12161812
12
Duodecimal
40a6104
16
Hexadecimal
b99314
20
Vigesimal
3g04ac
36
Base36
78o44
md5
59aacf49095a24ab5dd46618c3b1fffc
sha1
93c07f5bb71b1b6a170fe9066e8ef3ccc84714e4
sha256
1f6c47dec7e3ffcc80bde5778102f5606b5a005a110b9eb158e221b02840a8b0
sha512
0672daa6be0ea3fcb238c4de8144b0b7faf031f64a617ff0a62e34b04453d7f423cb3607595124640749c43948ae5382de7684c24ff4d305a9450930d53536b6
ripemd-160
5e939b2b2a8f657d78ed4cc677303f084e0f3e0d
Diameter
24323624
Circumference
76414918.46708
Area
4.6467193619598E+14
Volume
7.5350036395887E+21
Surface area
1.8586877447839E+15
Circumference
76414918.46708
Perimeter
48647248
Area
147909671123344
Diagonal
17199399.473432
Surface area
887458026740064
Volume
1.7988496131839E+21
Space diagonal
21064876.296101
Perimeter
36485436
Area
64046766329109
Altitude
10532438.14805
Surface area
64046766329109
Volume
2.1199645996953E+20
Height
5733133.1578106