18122007 is an odd 8-digits composite number following 18122006
and preceding 18122008 . In scientific notation, it is written as 1.8122007 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12055160 positive integers (up to 18122007) that are relatively prime to 18122007.
18122007 has 8 divisors, whose sum is 24215040
The reverse of 18122007 is 70022181
Previous prime number is 479
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighteen million one hundred twenty-two thousand seven
Scientific notation
1.8122007 × 10^7
Engineering notation
1.8122007 × 10^6
Prime Factorization
3 × 479 × 12611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18122007
Product of the distinct prime numbers
The prime factorization of 18122007 is 3 × 479 × 12611.
Since it has a total of 3 prime factors.
6 , 4 , 28 , 78 , 741 , 845 , 9056 , 3088 , 93104 , 16323 , 734751 , 718761 , 3466780 , 7176919 , 44970677 , 82451405 , 887977484 , 6812093 , 7198660227 , 5743275386
n×2
36244014
n×3
54366021
n×4
72488028
n×5
90610035
n÷2
9061003.5
n÷3
6040669
n÷3
4530501.75
n÷5
3624401.4
n2
328407137708049
n3
5.9513964483952E+21
n4
1.0785124809759E+29
n5
1.9544810729833E+36
2 √n
4256.9950669457
3 √n
262.6649339887
4 √n
65.245651709104
5 √n
28.290541404872
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
-18122006
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 18122007 can be divided by 8 positive divisors.
The sum of these divisors (counting 18122007) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101001000010100010111
3
Ternary
1021002200201110
4
Quaternary
1011020110113
5
Quinary
14114401012
6
Senary
1444230103
8
Octal
105102427
10
Decimal
18122007
12
Duodecimal
609b333
16
Hexadecimal
1148517
20
Vigesimal
5d5507
36
Base36
asf13
md5
92ea513a5e396529a55a2675b8c3d9a8
sha1
8d7507879499809f1bfc5444210f80fe7344111e
sha256
ccccca4e36eb89e088f5a334c4a1529faad95c8f6d6b8d503f3fbc7db3892c47
sha512
0eff6cf52c197d53a958f4f6876ecd7411d9da4393fb66269b33beea9343c1c2d2248e78ecb646be364e78ea63fc4d2256bcfbdbb04252cf7cab8f97443c0c8d
ripemd-160
278c5c6ff9238dfe056014836f3df043989030fc
Diameter
36244014
Circumference
113863928.11901
Area
1.0317214512101E+15
Volume
2.4929151147838E+22
Surface area
4.1268858048402E+15
Circumference
113863928.11901
Perimeter
72488028
Area
328407137708049
Diagonal
25628388.07682
Surface area
1970442826248294
Volume
5.9513964483952E+21
Space diagonal
31388236.859119
Perimeter
54366021
Area
1.4220446201965E+14
Altitude
15694118.429559
Surface area
1.4220446201965E+14
Volume
7.013787976983E+20
Height
8542796.0256067