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

72945721 (number)

72945721 is an odd 8-digits composite number following 72945720 and preceding 72945722. In scientific notation, it is written as 7.2945721 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 72926244 positive integers (up to 72945721) that are relatively prime to 72945721.

Interesting facts

72945721 has 4 divisors, whose sum is 72965200
The reverse of 72945721 is 12754927
Previous prime number is 5059

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	7.2945721 × 10^7
Engineering notation	7.2945721 × 10^6

Prime Factorization of 72945721

Prime Factorization 5059 × 14419

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	72945721	Product of the distinct prime numbers

The prime factorization of 72945721 is 5059 × 14419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 28, 38, 357, 446, 5680, 2986, 299, 82088, 386411, 465651, 3816380, 458718, 49172189, 28877731, 306439416, 592527291, 5817920054, 525388523

Basic calculations (n = 72945721)

Multiplication

n×y

n×2	145891442
n×3	218837163
n×4	291782884
n×5	364728605

Division

n÷y

n÷2	36472860.5
n÷3	24315240.333333
n÷3	18236430.25
n÷5	14589144.2

Exponentiation

n^y

n²	5321078212209841
n³	3.8814988668704E+23
n⁴	2.8313873340454E+31
n⁵	2.0653759051221E+39

Nth Root

^y√n

²√n	8540.8267164251
³√n	417.83030931841
⁴√n	92.416593295928
⁵√n	37.376614754812

Divisors of 72945721

1, 5059, 14419, 72945721

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-72945720	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72945721 can be divided by 4 positive divisors. The sum of these divisors (counting 72945721) is 1, the average is 0.25.

Base conversion 72945721

Base	System	Value
2	Binary	100010110010001000000111001
3	Ternary	12002021000201101
4	Quaternary	10112101000321
5	Quinary	122133230341
6	Senary	11123251401
8	Octal	426210071
10	Decimal	72945721
12	Duodecimal	20519b61
16	Hexadecimal	4591039
20	Vigesimal	12fi461
36	Base36	17fha1

Cryptographic Hash Functions

md5	040f756bed63c7fe8ee4868ebe498ced
sha1	c63e149e91a53078dd13e9acc5afb6c567b93eed
sha256	23611c2c064739e47fb0736b7ae3d3f80986984ef30636cd3cf7df31af29588e
sha512	c9c6e790d444737b06e76fa8c6e29ee069cc4a60cd0972d30cde8ed9fa0860cc9fac1dbc2a68771f7e3005fe5d13fcd99f059d99a835444a58058b2c03fa9ad8
ripemd-160	943be846cd582c4b1860f585e6285a118234a509

72945721 as geometric shapes

Circle

Radius = n

Diameter	145891442
Circumference	458331482.40882
Area	1.6716660220655E+16

Sphere

Radius = n

Volume	1.6258784433436E+24
Surface area	6.6866640882621E+16
Circumference	458331482.40882

Square

Length = n

Perimeter	291782884
Area	5321078212209841
Diagonal	103160827.95528

Cube

Length = n

Surface area	31926469273259046
Volume	3.8814988668704E+23
Space diagonal	126345694.96674

Equilateral Triangle

Length = n

Perimeter	218837163
Area	2.3040944536488E+15
Altitude	63172847.483372

Triangular Pyramid

Length = n

Surface area	2.3040944536488E+15
Volume	4.5743902832199E+22
Height	34386942.651761