72861807 (number)

72861807 is an odd 8-digits composite number following 72861806 and preceding 72861808. In scientific notation, it is written as 7.2861807 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 47979360 positive integers (up to 72861807) that are relatively prime to 72861807.

Interesting facts

Basic properties

Name

Name seventy-two million eight hundred sixty-one thousand eight hundred seven

Notation

Scientific notation 7.2861807 × 10^7
Engineering notation 7.2861807 × 10^6

Prime Factorization of 72861807

Prime Factorization 3 × 131 × 467 × 397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72861807
Product of the distinct prime numbers

The prime factorization of 72861807 is 3 × 131 × 467 × 397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72861807)

Multiplication

n×y
n×2 145723614
n×3 218585421
n×4 291447228
n×5 364309035

Division

n÷y
n÷2 36430903.5
n÷3 24287269
n÷3 18215451.75
n÷5 14572361.4

Exponentiation

ny
n2 5308842919305249
n3 3.8681188817974E+23
n4 2.8183813141857E+31
n5 2.0535235536661E+39

Nth Root

y√n
2√n 8535.9127807165
3√n 417.67002911148
4√n 92.39000368393
5√n 37.368011466196

Divisors of 72861807

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 -72861806
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 72861807 can be divided by 16 positive divisors. The sum of these divisors (counting 72861807) is 1, the average is 0.0625.

Base conversion 72861807

Base System Value
2 Binary 100010101111100100001101111
3 Ternary 12002002202121110
4 Quaternary 10111330201233
5 Quinary 122123034212
6 Senary 11121403103
8 Octal 425744157
10 Decimal 72861807
12 Duodecimal 20499493
16 Hexadecimal 457c86f
20 Vigesimal 12f7ea7
36 Base36 17doj3

Cryptographic Hash Functions

md5 afedc5d99e9245fa1238f5a9eea781a2
sha1 b1ccc3eb7efd76e03b8fa22b01357783953f4641
sha256 58e2ea895f812394f752337396063f81a946cc09905bb3a086b571cd61a76476
sha512 5d00ffb8db40121e5431820e2bdf2a071a73acb6b231ed727b182b589fb26bfa900f7c4d17e4c061609789e9bc506081f5903061b720d235a5a32332c139731e
ripemd-160 492fcda767f156594c4c3f8b6c28ce80ef051def

72861807 as geometric shapes

Circle

Radius = n
Diameter 145723614
Circumference 457804235.19695
Area 1.6678221914352E+16

Sphere

Radius = n
Volume 1.6202738483022E+24
Surface area 6.6712887657406E+16
Circumference 457804235.19695

Square

Length = n
Perimeter 291447228
Area 5308842919305249
Diagonal 103042155.63841

Cube

Length = n
Surface area 31853057515831494
Volume 3.8681188817974E+23
Space diagonal 126200351.65528

Equilateral Triangle

Length = n
Perimeter 218585421
Area 2.2987964164097E+15
Altitude 63100175.827639

Triangular Pyramid

Length = n
Surface area 2.2987964164097E+15
Volume 4.5586218195911E+22
Height 34347385.212804