17991940 is an even 8-digits composite number following 17991939
and preceding 17991941 . In scientific notation, it is written as 1.7991940 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 7151328 positive integers (up to 17991940) that are relatively prime to 17991940.
17991940 has 24 divisors, whose sum is 38021760
The reverse of 17991940 is 04919971
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventeen million nine hundred ninety-one thousand nine hundred forty
Scientific notation
1.7991940 × 10^7
Engineering notation
1.7991940 × 10^6
Prime Factorization
2 × 2 × 163 × 5 × 5519
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
8995970
Product of the distinct prime numbers
The prime factorization of 17991940 is 2 × 2 × 163 × 5 × 5519.
Since it has a total of 5 prime factors.
6 , 6 , 45 , 69 , 363 , 949 , 1340 , 8212 , 95193 , 52637 , 19672 , 962493 , 2993649 , 433343 , 79802601 , 75679308 , 265251066 , 341673158 , 5490864518 , 1493073865
n×2
35983880
n×3
53975820
n×4
71967760
n×5
89959700
n÷2
8995970
n÷3
5997313.3333333
n÷3
4497985
n÷5
3598388
n2
323709904963600
n3
5.8241691875108E+21
n4
1.0478810257154E+29
n5
1.885341254181E+36
2 √n
4241.6907006523
3 √n
262.03501658894
4 √n
65.128263454911
5 √n
28.249814397194
1 , 2 , 4 , 5 , 10 , 20 , 163 , 326 , 652 , 815 , 1630 , 3260 , 5519 , 11038 , 22076 , 27595 , 55190 , 110380 , 899597 , 1799194 , 3598388 , 4497985 , 8995970 , 17991940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-17991939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 17991940 can be divided by 24 positive divisors.
The sum of these divisors (counting 17991940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000100101000100100000100
3
Ternary
1020212002022011
4
Quaternary
1010220210010
5
Quinary
14101220230
6
Senary
1441344004
8
Octal
104504404
10
Decimal
17991940
12
Duodecimal
6038004
16
Hexadecimal
1128904
20
Vigesimal
5c8jh0
36
Base36
apmo4
md5
82ec8790148ffd192206197c84e70355
sha1
ed1e61d5c433e89683daf2fbc2e7d766b4d67396
sha256
7a60cf446f359853449eddf5652162eac42ecb379708b9066730281c24478700
sha512
0834459c3398f3eb340d7779d1206f372cf10de27630f4cbcaafec5e6af9748985ce2cfa6d7ffe76672b8d18f29295d65a2a211d61e09e0a3ab73ef8f34f1481
ripemd-160
496728aaac055af99ae1bce25b623ba6f39c69e8
Diameter
35983880
Circumference
113046693.05566
Area
1.0169646593279E+15
Volume
2.4396222843664E+22
Surface area
4.0678586373116E+15
Circumference
113046693.05566
Perimeter
71967760
Area
323709904963600
Diagonal
25444445.561403
Surface area
1942259429781600
Volume
5.8241691875108E+21
Space diagonal
31162954.206731
Perimeter
53975820
Area
1.4017050057756E+14
Altitude
15581477.103365
Surface area
1.4017050057756E+14
Volume
6.863849212111E+20
Height
8481481.853801