72356721 is an odd 8-digits composite number following 72356720
and preceding 72356722 . In scientific notation, it is written as 7.2356721 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 47667200 positive integers (up to 72356721) that are relatively prime to 72356721.
72356721 has 16 divisors, whose sum is 97625088
The reverse of 72356721 is 12765327
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-two million three hundred fifty-six thousand seven hundred twenty-one
Scientific notation
7.2356721 × 10^7
Engineering notation
7.2356721 × 10^6
Prime Factorization
3 × 191 × 197 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72356721
Product of the distinct prime numbers
The prime factorization of 72356721 is 3 × 191 × 197 × 641.
Since it has a total of 4 prime factors.
4 , 1 , 40 , 64 , 223 , 189 , 2300 , 1647 , 70984 , 10002 , 285416 , 740360 , 1746423 , 9255650 , 5500116 , 81027139 , 788906358 , 35685244 , 4096634953 , 8474396913
n×2
144713442
n×3
217070163
n×4
289426884
n×5
361783605
n÷2
36178360.5
n÷3
24118907
n÷3
18089180.25
n÷5
14471344.2
n2
5235495073871841
n3
3.7882325635702E+23
n4
2.7410408668536E+31
n5
1.9833272925253E+39
2 √n
8506.2753893817
3 √n
416.70267898516
4 √n
92.229471371041
5 √n
37.316059383833
1 , 3 , 191 , 197 , 573 , 591 , 641 , 1923 , 37627 , 112881 , 122431 , 126277 , 367293 , 378831 , 24118907 , 72356721
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
-72356720
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 72356721 can be divided by 16 positive divisors.
The sum of these divisors (counting 72356721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100000001001101110001
3
Ternary
12001011002202120
4
Quaternary
10110001031301
5
Quinary
122010403341
6
Senary
11102504453
8
Octal
424011561
10
Decimal
72356721
12
Duodecimal
20295129
16
Hexadecimal
4501371
20
Vigesimal
12c4bg1
36
Base36
172usx
md5
46ba2f4f49750609eafb0ae29a53c93c
sha1
7604c0bf75ba5d2a0d6d2efe756c729d8bc7ea50
sha256
5e25d4f25a20bb71b8dbcb8e40fa2b9219233e31107cf42a14252907a577311b
sha512
7cf73e341afedcb152d1c8003bfbe54a036a0195a44e7061d8bb839b99d6ff679ecdadd524bb8661b547aaa0fef154d3e1bff88e59ba5b327ffbf53771440593
ripemd-160
fed7750c015b7c37683602cc45c128bce011b2a2
Diameter
144713442
Circumference
454630686.26289
Area
1.6447792861981E+16
Volume
1.5868111455736E+24
Surface area
6.5791171447925E+16
Circumference
454630686.26289
Perimeter
289426884
Area
5235495073871841
Diagonal
102327856.16705
Surface area
31412970443231046
Volume
3.7882325635702E+23
Space diagonal
125325517.04109
Perimeter
217070163
Area
2.2670358676806E+15
Altitude
62662758.520543
Surface area
2.2670358676806E+15
Volume
4.464474890687E+22
Height
34109285.389015