72997946 is an even 8-digits composite number following 72997945
and preceding 72997947 . In scientific notation, it is written as 7.2997946 × 10^7.
The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors.
There are 31284540 positive integers (up to 72997946) that are relatively prime to 72997946.
72997946 has 16 divisors, whose sum is 127694400
The reverse of 72997946 is 64979927
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-two million nine hundred ninety-seven thousand nine hundred forty-six
Scientific notation
7.2997946 × 10^7
Engineering notation
7.2997946 × 10^6
Prime Factorization
2 × 7 × 7 × 7 × 106411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1489754
Product of the distinct prime numbers
The prime factorization of 72997946 is 2 × 7 × 7 × 7 × 106411.
Since it has a total of 5 prime factors.
7 , 2 , 91 , 47 , 350 , 634 , 9856 , 1520 , 2337 , 71164 , 206622 , 348600 , 8171383 , 7182632 , 14871476 , 3769112 , 946985380 , 647785756 , 3385325155 , 9658822869
n×2
145995892
n×3
218993838
n×4
291991784
n×5
364989730
n÷2
36498973
n÷3
24332648.666667
n÷3
18249486.5
n÷5
14599589.2
n2
5328700120218916
n3
3.8898416362593E+23
n4
2.8395044971221E+31
n5
2.0727799594768E+39
2 √n
8543.8835432138
3 √n
417.92999980103
4 √n
92.433130116933
5 √n
37.381965130166
1 , 2 , 7 , 14 , 49 , 98 , 343 , 686 , 106411 , 212822 , 744877 , 1489754 , 5214139 , 10428278 , 36498973 , 72997946
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72997945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72997946 can be divided by 16 positive divisors.
The sum of these divisors (counting 72997946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010110011101110000111010
3
Ternary
12002100200100122
4
Quaternary
10112131300322
5
Quinary
122141413241
6
Senary
11124333242
8
Octal
426356072
10
Decimal
72997946
12
Duodecimal
20544222
16
Hexadecimal
459dc3a
20
Vigesimal
12g4eh6
36
Base36
17glkq
md5
3e2cf431388d47df6181a635a22718fa
sha1
fd943c930eab4562e58b052109730b5aabfe7f19
sha256
2cf6e4259a537ee3825a0c9d66854f96c1f76b1cd0503dd2819ee2832cf781a6
sha512
c36e7a8c02423aee2ea8a8658234ad71dc5321976c75a15c0f1dd612ccdd34206962c90bccbe0901540d66f423a55d2252ddfeb92c4ba70af94f36771f12a53b
ripemd-160
c358db6d04ca13d530b2fe9ddbe19211e3bcd21b
Diameter
145995892
Circumference
458659621.76149
Area
1.6740605150863E+16
Volume
1.6293730544133E+24
Surface area
6.6962420603451E+16
Circumference
458659621.76149
Perimeter
291991784
Area
5328700120218916
Diagonal
103234685.25858
Surface area
31972200721313496
Volume
3.8898416362593E+23
Space diagonal
126436151.32017
Perimeter
218993838
Area
2.3073948366294E+15
Altitude
63218075.660085
Surface area
2.3073948366294E+15
Volume
4.5842223312346E+22
Height
34411561.75286