72397188 is an even 8-digits composite number following 72397187
and preceding 72397189 . In scientific notation, it is written as 7.2397188 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 24132384 positive integers (up to 72397188) that are relatively prime to 72397188.
72397188 has 12 divisors, whose sum is 140772380
The reverse of 72397188 is 88179327
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million three hundred ninety-seven thousand one hundred eighty-eight
Scientific notation
7.2397188 × 10^7
Engineering notation
7.2397188 × 10^6
Prime Factorization
2 × 2 × 9 × 2011033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36198594
Product of the distinct prime numbers
The prime factorization of 72397188 is 2 × 2 × 9 × 2011033.
Since it has a total of 4 prime factors.
1 , 8 , 82 , 12 , 681 , 310 , 2588 , 5321 , 8562 , 64755 , 250035 , 478740 , 921843 , 4227432 , 54919188 , 62706268 , 383890305 , 989136418 , 2492755715 , 4424849254
n×2
144794376
n×3
217191564
n×4
289588752
n×5
361985940
n÷2
36198594
n÷3
24132396
n÷3
18099297
n÷5
14479437.6
n2
5241352830307344
n3
3.7945920623009E+23
n4
2.7471779491771E+31
n5
1.9888795845603E+39
2 √n
8508.6537125447
3 √n
416.78034771884
4 √n
92.242363979598
5 √n
37.320232406746
1 , 2 , 4 , 9 , 18 , 36 , 2011033 , 4022066 , 8044132 , 18099297 , 36198594 , 72397188
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72397187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72397188 can be divided by 12 positive divisors.
The sum of these divisors (counting 72397188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010100001011000110000100
3
Ternary
12001020011021100
4
Quaternary
10110023012010
5
Quinary
122013202223
6
Senary
11103420100
8
Octal
424130604
10
Decimal
72397188
12
Duodecimal
202b4630
16
Hexadecimal
450b184
20
Vigesimal
12c9cj8
36
Base36
173q10
md5
370ed9fd9690080549b13787bf475688
sha1
0029e0f025c5922c8adf346bfc1549fe0b6e548f
sha256
29ea60a82fa3734cb3ba05c0a9822eff05cf58e88903c8beec1a816c42bb26a2
sha512
27e2f7a95ad43d7681893ea3f34198902f4a9e73834fe625d7f8ce20b97c8a53aa9653026635698c1aedcfdc4e4d3f20657eff32d6c112220ed6e59122636e87
ripemd-160
8865fc8135a8cd2b8ab03703dbe8c00880a362db
Diameter
144794376
Circumference
454884947.92272
Area
1.6466195546566E+16
Volume
1.5894750061726E+24
Surface area
6.5864782186262E+16
Circumference
454884947.92272
Perimeter
289588752
Area
5241352830307344
Diagonal
102385085.14727
Surface area
31448116981844064
Volume
3.7945920623009E+23
Space diagonal
125395607.94112
Perimeter
217191564
Area
2.2695723506218E+15
Altitude
62697803.970558
Surface area
2.2695723506218E+15
Volume
4.4719696318161E+22
Height
34128361.715758