18996970 is an even 8-digits composite number following 18996969
and preceding 18996971 . In scientific notation, it is written as 1.8996970 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 7421904 positive integers (up to 18996970) that are relatively prime to 18996970.
18996970 has 8 divisors, whose sum is 28628640
The reverse of 18996970 is 07969981
Previous prime number is 215
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million nine hundred ninety-six thousand nine hundred seventy
Scientific notation
1.8996970 × 10^7
Engineering notation
1.8996970 × 10^6
Prime Factorization
2 × 215 × 44179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18996970
Product of the distinct prime numbers
The prime factorization of 18996970 is 2 × 215 × 44179.
Since it has a total of 3 prime factors.
4 , 9 , 11 , 36 , 529 , 959 , 16 , 3471 , 60865 , 54012 , 504064 , 262406 , 9589487 , 9016335 , 12673600 , 68984449 , 115010918 , 350118791 , 8868946519 , 9137994226
n×2
37993940
n×3
56990910
n×4
75987880
n×5
94984850
n÷2
9498485
n÷3
6332323.3333333
n÷3
4749242.5
n÷5
3799394
n2
360884869180900
n3
6.8557190332835E+21
n4
1.3023788880372E+29
n5
2.4741252664675E+36
2 √n
4358.5513648459
3 √n
266.8259794567
4 √n
66.019325692148
5 √n
28.558596958047
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
-18996969
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 18996970 can be divided by 8 positive divisors.
The sum of these divisors (counting 18996970) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011101111011101010
3
Ternary
1022202010221111
4
Quaternary
1020131323222
5
Quinary
14330400340
6
Senary
1515100534
8
Octal
110357352
10
Decimal
18996970
12
Duodecimal
644174a
16
Hexadecimal
121deea
20
Vigesimal
5iec8a
36
Base36
bb65m
md5
35babc07db7686db45504c16a35994b1
sha1
51cb0bcf1e9db9a21cf1808ac5bad4a0042c6c5a
sha256
5f77de07f2833f0a2a3474650801113a190b33e74b12944e63f2fabba1d9e160
sha512
62ce0537a61ed797792fea0bb2a7c1153f7a7264b1c259cabb148c730e016d352f2a618efa73a407123afcf482671c1fb8a6dc6af106f48635092c2dcf804bb1
ripemd-160
d85c0be688d8ef5223dbd99ef24aa9bbf796815e
Diameter
37993940
Circumference
119361482.78493
Area
1.1337532538104E+15
Volume
2.8717168733385E+22
Surface area
4.5350130152417E+15
Circumference
119361482.78493
Perimeter
75987880
Area
360884869180900
Diagonal
26865772.617995
Surface area
2165309215085400
Volume
6.8557190332835E+21
Space diagonal
32903717.229862
Perimeter
56990910
Area
1.5626773227604E+14
Altitude
16451858.614931
Surface area
1.5626773227604E+14
Volume
8.0795423639074E+20
Height
8955257.5393316