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

72665981 (number)

72665981 is an odd 8-digits composite number following 72665980 and preceding 72665982. In scientific notation, it is written as 7.2665981 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 70893600 positive integers (up to 72665981) that are relatively prime to 72665981.

Interesting facts

72665981 has 4 divisors, whose sum is 74438364
The reverse of 72665981 is 18956627
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	seventy-two million six hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation	7.2665981 × 10^7
Engineering notation	7.2665981 × 10^6

Prime Factorization of 72665981

Prime Factorization 41 × 1772341

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	72665981	Product of the distinct prime numbers

The prime factorization of 72665981 is 41 × 1772341. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 93, 10, 83, 874, 5824, 7761, 78346, 47140, 639575, 728759, 9590875, 6467298, 23628508, 59355393, 4258840, 938044524, 6490904971, 1668643255

Basic calculations (n = 72665981)

Multiplication

n×y

n×2	145331962
n×3	217997943
n×4	290663924
n×5	363329905

Division

n÷y

n÷2	36332990.5
n÷3	24221993.666667
n÷3	18166495.25
n÷5	14533196.2

Exponentiation

n^y

n²	5280344794692361
n³	3.8370143452456E+23
n⁴	2.7882041150835E+31
n⁵	2.0260758725078E+39

Nth Root

^y√n

²√n	8524.4343507355
³√n	417.29551174959
⁴√n	92.327863349779
⁵√n	37.347903516441

Divisors of 72665981

1, 41, 1772341, 72665981

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	-72665980	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 72665981 can be divided by 4 positive divisors. The sum of these divisors (counting 72665981) is 1, the average is 0.25.

Base conversion 72665981

Base	System	Value
2	Binary	100010101001100101101111101
3	Ternary	12001201210222122
4	Quaternary	10111030231331
5	Quinary	122100302411
6	Senary	11113252325
8	Octal	425145575
10	Decimal	72665981
12	Duodecimal	204040a5
16	Hexadecimal	454cb7d
20	Vigesimal	12e34j1
36	Base36	179hfh

Cryptographic Hash Functions

md5	9cf75a834227b2350100bf5c15c013fc
sha1	0f16d3d98ac9ffc39cc1abb8ffeef86c1c831d36
sha256	811cd3297ae4386024f42d4d8ab17b26c4c01eb47573dc31653f46a321a9adce
sha512	330c1a603490cf0e1ee817b3b3b334ed83e4ef57ba8a7294e49277128d361b47bd60823baf183d3533bfa5a924ae57b5e372e6d16d70dfac24a3f2ddb6385113
ripemd-160	0ab87d483f95ec2873a6bf04eb71192799ebeb46

72665981 as geometric shapes

Circle

Radius = n

Diameter	145331962
Circumference	456573824.15099
Area	1.6588692415427E+16

Sphere

Radius = n

Volume	1.607244810499E+24
Surface area	6.6354769661707E+16
Circumference	456573824.15099

Square

Length = n

Perimeter	290663924
Area	5280344794692361
Diagonal	102765215.85335

Cube

Length = n

Surface area	31682068768154166
Volume	3.8370143452456E+23
Space diagonal	125861171.07383

Equilateral Triangle

Length = n

Perimeter	217997943
Area	2.2864563664723E+15
Altitude	62930585.536917

Triangular Pyramid

Length = n

Surface area	2.2864563664723E+15
Volume	4.5219647717221E+22
Height	34255071.951115