Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

72861639 (number)

72861639 is an odd 8-digits composite number following 72861638 and preceding 72861640. In scientific notation, it is written as 7.2861639 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 48514176 positive integers (up to 72861639) that are relatively prime to 72861639.

Interesting facts

72861639 has 8 divisors, whose sum is 97269360
The reverse of 72861639 is 93616827
Previous prime number is 829

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	seventy-two million eight hundred sixty-one thousand six hundred thirty-nine

Notation

Scientific notation	7.2861639 × 10^7
Engineering notation	7.2861639 × 10^6

Prime Factorization of 72861639

Prime Factorization 3 × 829 × 29297

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72861639	Product of the distinct prime numbers

The prime factorization of 72861639 is 3 × 829 × 29297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 2, 75, 55, 441, 860, 4643, 443, 48197, 49089, 30158, 135628, 4333338, 4339985, 79293844, 86003246, 183273363, 860058411, 8164377581, 7824983340

Basic calculations (n = 72861639)

Multiplication

n×y

n×2	145723278
n×3	218584917
n×4	291446556
n×5	364308195

Division

n÷y

n÷2	36430819.5
n÷3	24287213
n÷3	18215409.75
n÷5	14572327.8

Exponentiation

n^y

n²	5308818437766321
n³	3.8680921252907E+23
n⁴	2.8183553205168E+31
n⁵	2.0534998793722E+39

Nth Root

^y√n

²√n	8535.9029399355
³√n	417.66970809913
⁴√n	92.389950427173
⁵√n	37.367994234035

Divisors of 72861639

1, 3, 829, 2487, 29297, 87891, 24287213, 72861639

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	-72861638	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 72861639 can be divided by 8 positive divisors. The sum of these divisors (counting 72861639) is 1, the average is 0.125.

Base conversion 72861639

Base	System	Value
2	Binary	100010101111100011111000111
3	Ternary	12002002202101020
4	Quaternary	10111330133013
5	Quinary	122123033024
6	Senary	11121402223
8	Octal	425743707
10	Decimal	72861639
12	Duodecimal	20499373
16	Hexadecimal	457c7c7
20	Vigesimal	12f7e1j
36	Base36	17doef

Cryptographic Hash Functions

md5	9d2cb664a9b4ab2da61c49b00c3ce1e6
sha1	58e0bcad13b17498082a09b26301b0d4730ce701
sha256	5ddc2208a4051bfff068d297cb01f6e9a132eb93800d021040953cb53b2c7fc3
sha512	40c2c33e6eb419b157ad59dcc14fce1a33e91640c5e2c576be3a93e0b891ea10b5e00e4b05f6d0e74d0d9ba9c2c463bf31c57968b98c702bb1d488000dded897
ripemd-160	15f9e55965165f411af8f7f5f5fe8b6ef7a35e5f

72861639 as geometric shapes

Circle

Radius = n

Diameter	145723278
Circumference	457803179.62182
Area	1.6678145003329E+16

Sphere

Radius = n

Volume	1.6202626405629E+24
Surface area	6.6712580013315E+16
Circumference	457803179.62182

Square

Length = n

Perimeter	291446556
Area	5308818437766321
Diagonal	103041918.05053

Cube

Length = n

Surface area	31852910626597926
Volume	3.8680921252907E+23
Space diagonal	126200060.67074

Equilateral Triangle

Length = n

Perimeter	218584917
Area	2.2987858155924E+15
Altitude	63100030.335371

Triangular Pyramid

Length = n

Surface area	2.2987858155924E+15
Volume	4.5585902867456E+22
Height	34347306.016844