18172938 is an even 8-digits composite number following 18172937
and preceding 18172939 . In scientific notation, it is written as 1.8172938 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5149872 positive integers (up to 18172938) that are relatively prime to 18172938.
18172938 has 32 divisors, whose sum is 41877504
The reverse of 18172938 is 83927181
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million one hundred seventy-two thousand nine hundred thirty-eight
Scientific notation
1.8172938 × 10^7
Engineering notation
1.8172938 × 10^6
Prime Factorization
2 × 3 × 7 × 127 × 3407
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18172938
Product of the distinct prime numbers
The prime factorization of 18172938 is 2 × 3 × 7 × 127 × 3407.
Since it has a total of 5 prime factors.
6 , 2 , 62 , 94 , 420 , 467 , 1916 , 848 , 39348 , 80138 , 26085 , 30619 , 9611682 , 8635771 , 59958180 , 40559959 , 295664097 , 204913788 , 6579975776 , 8648799140
n×2
36345876
n×3
54518814
n×4
72691752
n×5
90864690
n÷2
9086469
n÷3
6057646
n÷3
4543234.5
n÷5
3634587.6
n2
330255675551844
n3
6.0017159159518E+21
n4
1.090688112342E+29
n5
1.9821007442929E+36
2 √n
4262.9729063178
3 √n
262.9107727406
4 √n
65.291445889319
5 √n
28.306425390546
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 127 , 254 , 381 , 762 , 889 , 1778 , 2667 , 3407 , 5334 , 6814 , 10221 , 20442 , 23849 , 47698 , 71547 , 143094 , 432689 , 865378 , 1298067 , 2596134 , 3028823 , 6057646 , 9086469 , 18172938
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18172937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18172938 can be divided by 32 positive divisors.
The sum of these divisors (counting 18172938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000101010100110000001010
3
Ternary
1021012021120210
4
Quaternary
1011110300022
5
Quinary
14123013223
6
Senary
1445301550
8
Octal
105246012
10
Decimal
18172938
12
Duodecimal
61048b6
16
Hexadecimal
1154c0a
20
Vigesimal
5dbc6i
36
Base36
atibu
md5
656301a4219275f5254ce039fa5d1570
sha1
b5b711dd67a7cc0f44a9cec612c12a8b52ce6119
sha256
8dfe4a81e4d780be471a4e3a36bd7c6994d6a3608c117f218ac2d60513969ac2
sha512
fe98829e23e4dc4d7be50962c44107271b3c3940a72e649e7b4de56c8d8f40961f94b9c463f5918b36feefc1fcc9677a48624c9f8300e2a8efe61dd9b2793e8f
ripemd-160
749c47c9c81715006a9852d65b32c010af24e7c4
Diameter
36345876
Circumference
114183937.02989
Area
1.03752880412E+15
Volume
2.5139928840649E+22
Surface area
4.15011521648E+15
Circumference
114183937.02989
Perimeter
72691752
Area
330255675551844
Diagonal
25700415.387765
Surface area
1981534053311064
Volume
6.0017159159518E+21
Space diagonal
31476451.938799
Perimeter
54518814
Area
1.4300490238594E+14
Altitude
15738225.9694
Surface area
1.4300490238594E+14
Volume
7.0730900382079E+20
Height
8566805.1292551