72909938 is an even 8-digits composite number following 72909937
and preceding 72909939 . In scientific notation, it is written as 7.2909938 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 36167796 positive integers (up to 72909938) that are relatively prime to 72909938.
72909938 has 8 divisors, whose sum is 110226432
The reverse of 72909938 is 83990927
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-two million nine hundred nine thousand nine hundred thirty-eight
Scientific notation
7.2909938 × 10^7
Engineering notation
7.2909938 × 10^6
Prime Factorization
2 × 127 × 287047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72909938
Product of the distinct prime numbers
The prime factorization of 72909938 is 2 × 127 × 287047.
Since it has a total of 3 prime factors.
6 , 6 , 22 , 84 , 344 , 250 , 3049 , 9222 , 57446 , 58913 , 525294 , 228574 , 5969272 , 4203527 , 68724705 , 85625926 , 174910495 , 172761220 , 1113284283 , 6269295644
n×2
145819876
n×3
218729814
n×4
291639752
n×5
364549690
n÷2
36454969
n÷3
24303312.666667
n÷3
18227484.5
n÷5
14581987.6
n2
5315859059163844
n3
3.8757895442037E+23
n4
2.8258357536894E+31
n5
2.0603150959968E+39
2 √n
8538.7316388325
3 √n
417.76197692386
4 √n
92.405257636308
5 √n
37.372947069046
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
-72909937
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 72909938 can be divided by 8 positive divisors.
The sum of these divisors (counting 72909938) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010110001000010001110010
3
Ternary
12002012012122002
4
Quaternary
10112020101302
5
Quinary
122131104223
6
Senary
11122414002
8
Octal
426102162
10
Decimal
72909938
12
Duodecimal
20501302
16
Hexadecimal
4588472
20
Vigesimal
12fdegi
36
Base36
17epo2
md5
69499ef8710d7e2947455480ae064553
sha1
fea6c72fdab69f1011a7ef253f56aa11c30f1806
sha256
06da8cf4c7ee5c57c34f1e1f78f654ef096894610964a3c314778314c53d01ea
sha512
14f60027b41ef5daa76706e665fb17d6df4c14a147eef78da62576eb5a7fa5ed2fda94934ba8925041eae4301fb27fdb7fa736cf8bb9492366fe5e043a248b78
ripemd-160
c1ffe75e1f3938c8eff8a152209459fc9db62f0a
Diameter
145819876
Circumference
458106651.18897
Area
1.6700263767788E+16
Volume
1.6234869278574E+24
Surface area
6.6801055071152E+16
Circumference
458106651.18897
Perimeter
291639752
Area
5315859059163844
Diagonal
103110223.15138
Surface area
31895154354983064
Volume
3.8757895442037E+23
Space diagonal
126283716.9927
Perimeter
218729814
Area
2.3018344940868E+15
Altitude
63141858.496348
Surface area
2.3018344940868E+15
Volume
4.5676617819306E+22
Height
34370074.383794