72861640 (number)

72861640 is an even 8-digits composite number following 72861639 and preceding 72861641. In scientific notation, it is written as 7.2861640 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors. There are 29144640 positive integers (up to 72861640) that are relatively prime to 72861640.

Interesting facts

Basic properties

Name

Name seventy-two million eight hundred sixty-one thousand six hundred forty

Notation

Scientific notation 7.2861640 × 10^7
Engineering notation 7.2861640 × 10^6

Prime Factorization of 72861640

Prime Factorization 2 × 2 × 2 × 5 × 1821541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18215410
Product of the distinct prime numbers

The prime factorization of 72861640 is 2 × 2 × 2 × 5 × 1821541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 61, 64, 829, 33, 762, 7566, 41688, 75459, 56842, 773604, 1488648, 4098905, 24748816, 70727161, 290360589, 761835973, 746369447, 1474380465

Basic calculations (n = 72861640)

Multiplication

n×y
n×2 145723280
n×3 218584920
n×4 291446560
n×5 364308200

Division

n÷y
n÷2 36430820
n÷3 24287213.333333
n÷3 18215410
n÷5 14572328

Exponentiation

ny
n2 5308818583489600
n3 3.8680922845553E+23
n4 2.8183554752405E+31
n5 2.05350002029E+39

Nth Root

y√n
2√n 8535.9029985116
3√n 417.66971000992
4√n 92.389950744178
5√n 37.367994336608

Divisors of 72861640

1, 2, 4, 5, 8, 10, 20, 40, 1821541, 3643082, 7286164, 9107705, 14572328, 18215410, 36430820, 72861640

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 -72861639
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 72861640 can be divided by 16 positive divisors. The sum of these divisors (counting 72861640) is 1, the average is 0.0625.

Base conversion 72861640

Base System Value
2 Binary 100010101111100011111001000
3 Ternary 12002002202101021
4 Quaternary 10111330133020
5 Quinary 122123033030
6 Senary 11121402224
8 Octal 425743710
10 Decimal 72861640
12 Duodecimal 20499374
16 Hexadecimal 457c7c8
20 Vigesimal 12f7e20
36 Base36 17doeg

Cryptographic Hash Functions

md5 409885145ac6d9aa9131539d102b8c67
sha1 30ebeb31842bf7a38e054bf3e017b29d7e1354f4
sha256 a8906829579b532754510d3899b4bc88d0a837a27e91ec5ab4ebb38200b64698
sha512 f3ca0de8990d28896020cce0a6ed3c6bfb6718d5b1ebe193fd26702ac0d2d3af6a09f235a8d6a4f0321d4b04ff0e58aff2624740ba51570fd9aaf3f1393de77f
ripemd-160 7d959a46cafa0a7fd14137a42c81fd07909c3b81

72861640 as geometric shapes

Circle

Radius = n
Diameter 145723280
Circumference 457803185.90501
Area 1.6678145461132E+16

Sphere

Radius = n
Volume 1.6202627072755E+24
Surface area 6.6712581844528E+16
Circumference 457803185.90501

Square

Length = n
Perimeter 291446560
Area 5308818583489600
Diagonal 103041919.46475

Cube

Length = n
Surface area 31852911500937600
Volume 3.8680922845553E+23
Space diagonal 126200062.40279

Equilateral Triangle

Length = n
Perimeter 218584920
Area 2.2987858786925E+15
Altitude 63100031.201396

Triangular Pyramid

Length = n
Surface area 2.2987858786925E+15
Volume 4.5585904744407E+22
Height 34347306.488249