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

72021805 (number)

72021805 is an odd 8-digits composite number following 72021804 and preceding 72021806. In scientific notation, it is written as 7.2021805 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 57580608 positive integers (up to 72021805) that are relatively prime to 72021805.

Interesting facts

72021805 has 8 divisors, whose sum is 86481432
The reverse of 72021805 is 50812027
Previous prime number is 7213

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	7.2021805 × 10^7
Engineering notation	7.2021805 × 10^6

Prime Factorization of 72021805

Prime Factorization 5 × 7213 × 1997

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72021805	Product of the distinct prime numbers

The prime factorization of 72021805 is 5 × 7213 × 1997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 83, 22, 39, 548, 9676, 2375, 65668, 18919, 670256, 597610, 6692205, 2962639, 75513449, 271686, 833822132, 905465928, 4992753472, 4267779055

Basic calculations (n = 72021805)

Multiplication

n×y

n×2	144043610
n×3	216065415
n×4	288087220
n×5	360109025

Division

n÷y

n÷2	36010902.5
n÷3	24007268.333333
n÷3	18005451.25
n÷5	14404361

Exponentiation

n^y

n²	5187140395458025
n³	3.735872140693E+23
n⁴	2.6906425482192E+31
n⁵	1.9378493293255E+39

Nth Root

^y√n

²√n	8486.5661489203
³√n	416.05875687877
⁴√n	92.122560477444
⁵√n	37.281450438427

Divisors of 72021805

1, 5, 1997, 7213, 9985, 36065, 14404361, 72021805

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	-72021804	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 72021805 can be divided by 8 positive divisors. The sum of these divisors (counting 72021805) is 1, the average is 0.125.

Base conversion 72021805

Base	System	Value
2	Binary	100010010101111011100101101
3	Ternary	12000112002100021
4	Quaternary	10102233130231
5	Quinary	121414144210
6	Senary	11051402141
8	Octal	422573455
10	Decimal	72021805
12	Duodecimal	20153351
16	Hexadecimal	44af72d
20	Vigesimal	12a2ea5
36	Base36	16vodp

Cryptographic Hash Functions

md5	bae11695746a8e521de0877e488ed3aa
sha1	36f48d3f9160f68d359ee63dbb2892baef3fa452
sha256	6e9612e4a1eb10c8e1ab59f394ccca6d2124167b0c5071baa8a6d17e81332575
sha512	74087386c2fa94432aaba0c7133e709967b11c61b8208954d755561c1cc580a7154474e4f8c5c5243452bae81d15ae198b2c55455625a7e6d09c68eb05a41c79
ripemd-160	4b6aaa39f04a4bbe30b98ed4f90215995899195e

72021805 as geometric shapes

Circle

Radius = n

Diameter	144043610
Circumference	452526346.97255
Area	1.629588215951E+16

Sphere

Radius = n

Volume	1.5648784629269E+24
Surface area	6.5183528638039E+16
Circumference	452526346.97255

Square

Length = n

Perimeter	288087220
Area	5187140395458025
Diagonal	101854213.41759

Cube

Length = n

Surface area	31122842372748150
Volume	3.735872140693E+23
Space diagonal	124745425.51282

Equilateral Triangle

Length = n

Perimeter	216065415
Area	2.2460976777316E+15
Altitude	62372712.756409

Triangular Pyramid

Length = n

Surface area	2.2460976777316E+15
Volume	4.4027675405499E+22
Height	33951404.47253