72909521 is an odd 8-digits composite number following 72909520
and preceding 72909522 . In scientific notation, it is written as 7.2909521 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 70497280 positive integers (up to 72909521) that are relatively prime to 72909521.
72909521 has 8 divisors, whose sum is 75353544
The reverse of 72909521 is 12590927
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million nine hundred nine thousand five hundred twenty-one
Scientific notation
7.2909521 × 10^7
Engineering notation
7.2909521 × 10^6
Prime Factorization
113 × 41 × 15737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72909521
Product of the distinct prime numbers
The prime factorization of 72909521 is 113 × 41 × 15737.
Since it has a total of 3 prime factors.
5 , 2 , 99 , 90 , 671 , 724 , 791 , 3185 , 73768 , 44497 , 134428 , 140072 , 2523553 , 5017662 , 54026558 , 44185460 , 15092958 , 867759555 , 8006563492 , 8323046521
n×2
145819042
n×3
218728563
n×4
291638084
n×5
364547605
n÷2
36454760.5
n÷3
24303173.666667
n÷3
18227380.25
n÷5
14581904.2
n2
5315798252449441
n3
3.8757230431873E+23
n4
2.8257711060745E+31
n5
2.0602561779953E+39
2 √n
8538.7072206511
3 √n
417.76118047516
4 √n
92.405125510716
5 √n
37.372904318894
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
-72909520
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 72909521 can be divided by 8 positive divisors.
The sum of these divisors (counting 72909521) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010110001000001011010001
3
Ternary
12002012012001122
4
Quaternary
10112020023101
5
Quinary
122131101041
6
Senary
11122412025
8
Octal
426101321
10
Decimal
72909521
12
Duodecimal
20501015
16
Hexadecimal
45882d1
20
Vigesimal
12fddg1
36
Base36
17epch
md5
ee8a894af5128fba4b1a42f8862e34ea
sha1
3edff948175e417aecde3906597b1054a61fd5a9
sha256
243534ae266cb5fe67dcdcd138b13cef3667cef5e17717ea64332a33580bc89a
sha512
1fff6c13ba2167f9ef2aabafea5184d7ecbb4913a9aba01cc19652265cf5777a576aa015a655ada57c0b3cf67ae590db925f86d9b54635841c5f01e145bb071c
ripemd-160
4e9ea2bc57b34a231783b446f170c7e392fa79a3
Diameter
145819042
Circumference
458104031.1007
Area
1.6700072737861E+16
Volume
1.6234590719768E+24
Surface area
6.6800290951442E+16
Circumference
458104031.1007
Perimeter
291638084
Area
5315798252449441
Diagonal
103109633.42433
Surface area
31894789514696646
Volume
3.8757230431873E+23
Space diagonal
126282994.72751
Perimeter
218728563
Area
2.3018081640071E+15
Altitude
63141497.363755
Surface area
2.3018081640071E+15
Volume
4.5675834097311E+22
Height
34369877.808109