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

72640905 (number)

72640905 is an odd 8-digits composite number following 72640904 and preceding 72640906. In scientific notation, it is written as 7.2640905 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 37491840 positive integers (up to 72640905) that are relatively prime to 72640905.

Interesting facts

72640905 has 8 divisors, whose sum is 79983616
The reverse of 72640905 is 50904627
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	seventy-two million six hundred forty thousand nine hundred five

Notation

Scientific notation	7.2640905 × 10^7
Engineering notation	7.2640905 × 10^6

Prime Factorization of 72640905

Prime Factorization 15 × 31 × 156217

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72640905	Product of the distinct prime numbers

The prime factorization of 72640905 is 15 × 31 × 156217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 64, 30, 697, 489, 3836, 8622, 60133, 74908, 274933, 799191, 2197715, 8725053, 74171274, 49564679, 38891904, 775591284, 3933290573, 9948190490

Basic calculations (n = 72640905)

Multiplication

n×y

n×2	145281810
n×3	217922715
n×4	290563620
n×5	363204525

Division

n÷y

n÷2	36320452.5
n÷3	24213635
n÷3	18160226.25
n÷5	14528181

Exponentiation

n^y

n²	5276701079219025
n³	3.8330434180895E+23
n⁴	2.7843574279431E+31
n⁵	2.0225824340926E+39

Nth Root

^y√n

²√n	8522.9633930928
³√n	417.24750530508
⁴√n	92.319897059587
⁵√n	37.345325514144

Divisors of 72640905

1, 15, 31, 465, 156217, 2343255, 4842727, 72640905

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	-72640904	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 72640905 can be divided by 8 positive divisors. The sum of these divisors (counting 72640905) is 1, the average is 0.125.

Base conversion 72640905

Base	System	Value
2	Binary	100010101000110100110001001
3	Ternary	12001200112120220
4	Quaternary	10111012212021
5	Quinary	122044002110
6	Senary	11112540253
8	Octal	425064611
10	Decimal	72640905
12	Duodecimal	203b1689
16	Hexadecimal	4546989
20	Vigesimal	12e0255
36	Base36	178y2x

Cryptographic Hash Functions

md5	22568b00e01d555c13524b7f8373ea87
sha1	4137140a136542977910e471992f80f17a3b94cc
sha256	15b21d547f070f7dda15e4f98e9f042d4023edd2f90e9b4c1125f31e760ab66a
sha512	f1fd64d6eba967a8b83934640cb6ad52cdcbe29b515810e877e6e1d9661671a6e7b2894125bd67f61cce9b011414808ca915b215f2f49e1be6a7a8881cdc9d13
ripemd-160	69454731527d50ab98ccc4246558eced52fdd1d8

72640905 as geometric shapes

Circle

Radius = n

Diameter	145281810
Circumference	456416266.99623
Area	1.6577245345664E+16

Sphere

Radius = n

Volume	1.6055814724214E+24
Surface area	6.6308981382655E+16
Circumference	456416266.99623

Square

Length = n

Perimeter	290563620
Area	5276701079219025
Diagonal	102729753.03406

Cube

Length = n

Surface area	31660206475314150
Volume	3.8330434180895E+23
Space diagonal	125817738.16778

Equilateral Triangle

Length = n

Perimeter	217922715
Area	2.2848785913902E+15
Altitude	62908869.083892

Triangular Pyramid

Length = n

Surface area	2.2848785913902E+15
Volume	4.5172849891892E+22
Height	34243251.011352