72909521 (number)

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.

Interesting facts

Basic properties

Name

Name seventy-two million nine hundred nine thousand five hundred twenty-one

Notation

Scientific notation 7.2909521 × 10^7
Engineering notation 7.2909521 × 10^6

Prime Factorization of 72909521

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.

Most popular turbo-numbers

Basic calculations (n = 72909521)

Multiplication

n×y
n×2 145819042
n×3 218728563
n×4 291638084
n×5 364547605

Division

n÷y
n÷2 36454760.5
n÷3 24303173.666667
n÷3 18227380.25
n÷5 14581904.2

Exponentiation

ny
n2 5315798252449441
n3 3.8757230431873E+23
n4 2.8257711060745E+31
n5 2.0602561779953E+39

Nth Root

y√n
2√n 8538.7072206511
3√n 417.76118047516
4√n 92.405125510716
5√n 37.372904318894

Divisors of 72909521

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 conversion 72909521

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

Cryptographic Hash Functions

md5 ee8a894af5128fba4b1a42f8862e34ea
sha1 3edff948175e417aecde3906597b1054a61fd5a9
sha256 243534ae266cb5fe67dcdcd138b13cef3667cef5e17717ea64332a33580bc89a
sha512 1fff6c13ba2167f9ef2aabafea5184d7ecbb4913a9aba01cc19652265cf5777a576aa015a655ada57c0b3cf67ae590db925f86d9b54635841c5f01e145bb071c
ripemd-160 4e9ea2bc57b34a231783b446f170c7e392fa79a3

72909521 as geometric shapes

Circle

Radius = n
Diameter 145819042
Circumference 458104031.1007
Area 1.6700072737861E+16

Sphere

Radius = n
Volume 1.6234590719768E+24
Surface area 6.6800290951442E+16
Circumference 458104031.1007

Square

Length = n
Perimeter 291638084
Area 5315798252449441
Diagonal 103109633.42433

Cube

Length = n
Surface area 31894789514696646
Volume 3.8757230431873E+23
Space diagonal 126282994.72751

Equilateral Triangle

Length = n
Perimeter 218728563
Area 2.3018081640071E+15
Altitude 63141497.363755

Triangular Pyramid

Length = n
Surface area 2.3018081640071E+15
Volume 4.5675834097311E+22
Height 34369877.808109