18993907 is an odd 8-digits prime number following 18993906
and preceding 18993908 . In scientific notation, it is written as 1.8993907 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 18993906 positive integers (up to 18993907) that are relatively prime to 18993907.
18993907 has 2 divisors, whose sum is 18993908
The reverse of 18993907 is 70939981
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million nine hundred ninety-three thousand nine hundred seven
Scientific notation
1.8993907 × 10^7
Engineering notation
1.8993907 × 10^6
Prime Factorization
18993907
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18993907
Product of the distinct prime numbers
The prime factorization of 18993907 is 18993907.
Since it has a total of 1 prime factors.
4 , 1 , 52 , 18 , 108 , 953 , 9650 , 4340 , 86659 , 30979 , 592189 , 697083 , 6446154 , 5911970 , 13760461 , 80287022 , 600021814 , 868494289 , 9906984651 , 6286520484
n×2
37987814
n×3
56981721
n×4
75975628
n×5
94969535
n÷2
9496953.5
n÷3
6331302.3333333
n÷3
4748476.75
n÷5
3798781.4
n2
360768503124649
n3
6.8524033968788E+21
n4
1.301539128468E+29
n5
2.4721313162982E+36
2 √n
4358.1999724657
3 √n
266.8116380134
4 √n
66.01666435428
5 √n
28.557675962491
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18993908
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9496954
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4358.200087192
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998947031
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18993907 can be divided by 2 positive divisors.
The sum of these divisors (counting 18993907) is 18993908, the average is 9496954.
Base
System
Value
2
Binary
1001000011101001011110011
3
Ternary
1022201222202001
4
Quaternary
1020131023303
5
Quinary
14330301112
6
Senary
1515034431
8
Octal
110351363
10
Decimal
18993907
12
Duodecimal
643ba17
16
Hexadecimal
121d2f3
20
Vigesimal
5ie4f7
36
Base36
bb3sj
md5
2f55bc913ac305fdc4ba0a4f5c39a313
sha1
98a6c57f9a7295c13c4be5b30b698b09957a8894
sha256
0397675403fc6ba70fca9a956c3b589bfe80819f39b92613cf46e30b65d03199
sha512
ccf617427bad8837ecf8dd4afcd1d9d76b6a62ab4cb9c16ccfdb9fa4d0ddb0f994e5cf6cfb7ece12a5005f448a15f5bbfc5119344c408506ae04373f7374a0a5
ripemd-160
af60ebb64a9e8568691a62f7c57f8e33c8c90fd8
Diameter
37987814
Circumference
119342237.38834
Area
1.133387679063E+15
Volume
2.8703280228091E+22
Surface area
4.5335507162519E+15
Circumference
119342237.38834
Perimeter
75975628
Area
360768503124649
Diagonal
26861440.881853
Surface area
2164611018747894
Volume
6.8524033968788E+21
Space diagonal
32898411.958238
Perimeter
56981721
Area
1.5621734429562E+14
Altitude
16449205.979119
Surface area
1.5621734429562E+14
Volume
8.0756348489312E+20
Height
8953813.6272844