18389902 is an even 8-digits composite number following 18389901
and preceding 18389903 . In scientific notation, it is written as 1.8389902 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 9194950 positive integers (up to 18389902) that are relatively prime to 18389902.
18389902 has 4 divisors, whose sum is 27584856
The reverse of 18389902 is 20998381
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million three hundred eighty-nine thousand nine hundred two
Scientific notation
1.8389902 × 10^7
Engineering notation
1.8389902 × 10^6
Prime Factorization
2 × 9194951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18389902
Product of the distinct prime numbers
The prime factorization of 18389902 is 2 × 9194951.
Since it has a total of 2 prime factors.
1 , 9 , 15 , 83 , 16 , 21 , 6261 , 5283 , 65739 , 80075 , 421409 , 556744 , 7722578 , 6322395 , 46298603 , 41159425 , 41418582 , 101381031 , 326961914 , 6315011934
n×2
36779804
n×3
55169706
n×4
73559608
n×5
91949510
n÷2
9194951
n÷3
6129967.3333333
n÷3
4597475.5
n÷5
3677980.4
n2
338188495569604
n3
6.2192532910525E+21
n4
1.1437145853563E+29
n5
2.1032799140673E+36
2 √n
4288.3449021738
3 √n
263.95292051506
4 √n
65.485455653708
5 √n
28.373694147714
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
-18389901
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 18389902 can be divided by 4 positive divisors.
The sum of these divisors (counting 18389902) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001001101110001110
3
Ternary
1021121022012111
4
Quaternary
1012021232032
5
Quinary
14201434102
6
Senary
1454054234
8
Octal
106115616
10
Decimal
18389902
12
Duodecimal
61aa37a
16
Hexadecimal
1189b8e
20
Vigesimal
5eief2
36
Base36
ay5qm
md5
67522d805e233516ae85e4518a6bd9a2
sha1
ef41fb5a11883cad98197e5f1a78aa359f5614f5
sha256
909310d30827f1725279a79a749fea563d4b7d68b1a9ab96cc3d70f805b9622f
sha512
9ba114bb8cd3be4805a45c38f21f7214704bb625e138551c4fd565bfafa06b73224ad0ba2ea6cd966c90683df3bb1d45ae39886b4a7dfba069860e9cc142a245
ripemd-160
48df0b001fccc5f8fe4a42c4ef6c31fc53df6fe8
Diameter
36779804
Circumference
115547162.04687
Area
1.0624504932101E+15
Volume
2.6051147266646E+22
Surface area
4.2498019728402E+15
Circumference
115547162.04687
Perimeter
73559608
Area
338188495569604
Diagonal
26007248.819112
Surface area
2029130973417624
Volume
6.2192532910525E+21
Space diagonal
31852244.610213
Perimeter
55169706
Area
1.4643991421546E+14
Altitude
15926122.305106
Surface area
1.4643991421546E+14
Volume
7.3294602933666E+20
Height
8669082.939704