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

72990909 (number)

72990909 is an odd 8-digits composite number following 72990908 and preceding 72990910. In scientific notation, it is written as 7.2990909 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 47528208 positive integers (up to 72990909) that are relatively prime to 72990909.

Interesting facts

72990909 has 16 divisors, whose sum is 110651200
The reverse of 72990909 is 90909927
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	seventy-two million nine hundred ninety thousand nine hundred nine

Notation

Scientific notation	7.2990909 × 10^7
Engineering notation	7.2990909 × 10^6

Prime Factorization of 72990909

Prime Factorization 3 × 9 × 43 × 62869

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	72990909	Product of the distinct prime numbers

The prime factorization of 72990909 is 3 × 9 × 43 × 62869. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 21, 42, 635, 128, 3252, 5840, 49802, 43230, 573302, 891907, 6102271, 6811004, 6101388, 19886001, 933744730, 651536470, 2710214292, 5545821766

Basic calculations (n = 72990909)

Multiplication

n×y

n×2	145981818
n×3	218972727
n×4	291963636
n×5	364954545

Division

n÷y

n÷2	36495454.5
n÷3	24330303
n÷3	18247727.25
n÷5	14598181.8

Exponentiation

n^y

n²	5327672796646281
n³	3.8887168028178E+23
n⁴	2.8384097428125E+31
n⁵	2.0717810724234E+39

Nth Root

^y√n

²√n	8543.4717182185
³√n	417.91656988929
⁴√n	92.430902398595
⁵√n	37.38124437829

Divisors of 72990909

1, 3, 9, 27, 43, 129, 387, 1161, 62869, 188607, 565821, 1697463, 2703367, 8110101, 24330303, 72990909

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	-72990908	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 72990909 can be divided by 16 positive divisors. The sum of these divisors (counting 72990909) is 1, the average is 0.0625.

Base conversion 72990909

Base	System	Value
2	Binary	100010110011100000010111101
3	Ternary	12002100022201000
4	Quaternary	10112130002331
5	Quinary	122141202114
6	Senary	11124240513
8	Octal	426340275
10	Decimal	72990909
12	Duodecimal	20540139
16	Hexadecimal	459c0bd
20	Vigesimal	12g3h59
36	Base36	17gg59

Cryptographic Hash Functions

md5	b14b4b8ccaeae63eb4fa16a85306e70f
sha1	755bca6b8ed942815cd000efd488774b85fd5ffe
sha256	1ef4fed514cdbefbb98ac644b837c4fcad08e20652d5cf9b1fc53b1c9766be76
sha512	8103fa85dddc61683b7cf58df413bf30e3aec1bfde574de4c8f93b1e4fce87f76d1672a5a62fd6b009becc146aedc4b663c52064db89cf3deb412e8d57d6cdf9
ripemd-160	360f18ddc374040b025f88c179b8e4377c54e427

72990909 as geometric shapes

Circle

Radius = n

Diameter	145981818
Circumference	458615406.98648
Area	1.6737377718674E+16

Sphere

Radius = n

Volume	1.6289018852832E+24
Surface area	6.6949510874697E+16
Circumference	458615406.98648

Square

Length = n

Perimeter	291963636
Area	5327672796646281
Diagonal	103224733.43774

Cube

Length = n

Surface area	31966036779877686
Volume	3.8887168028178E+23
Space diagonal	126423962.87864

Equilateral Triangle

Length = n

Perimeter	218972727
Area	2.3069499924735E+15
Altitude	63211981.439318

Triangular Pyramid

Length = n

Surface area	2.3069499924735E+15
Volume	4.5828967023109E+22
Height	34408244.479247