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

81371799 (number)

81371799 is an odd 8-digits composite number following 81371798 and preceding 81371800. In scientific notation, it is written as 8.1371799 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 54247860 positive integers (up to 81371799) that are relatively prime to 81371799.

Interesting facts

81371799 has 4 divisors, whose sum is 90413120
The reverse of 81371799 is 99717318
Previous prime number is 9

Basic properties

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

Name

Name	eighty-one million three hundred seventy-one thousand seven hundred ninety-nine

Notation

Scientific notation	8.1371799 × 10^7
Engineering notation	8.1371799 × 10^6

Prime Factorization of 81371799

Prime Factorization 9 × 9041311

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81371799	Product of the distinct prime numbers

The prime factorization of 81371799 is 9 × 9041311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 44, 87, 845, 64, 9572, 4352, 37655, 59061, 53230, 782323, 6309266, 6904814, 48075692, 69985021, 713539284, 105006582, 4853841545, 3741182380

Basic calculations (n = 81371799)

Multiplication

n×y

n×2	162743598
n×3	244115397
n×4	325487196
n×5	406858995

Division

n÷y

n÷2	40685899.5
n÷3	27123933
n÷3	20342949.75
n÷5	16274359.8

Exponentiation

n^y

n²	6621369672496401
n³	5.3879276209507E+23
n⁴	4.3842536339855E+31
n⁵	3.5675460546969E+39

Nth Root

^y√n

²√n	9020.6318514836
³√n	433.33586934742
⁴√n	94.977006962125
⁵√n	38.202763818417

Divisors of 81371799

1, 9, 9041311, 81371799

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	-81371798	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 81371799 can be divided by 4 positive divisors. The sum of these divisors (counting 81371799) is 1, the average is 0.25.

Base conversion 81371799

Base	System	Value
2	Binary	100110110011010001010010111
3	Ternary	12200010010010100
4	Quaternary	10312122022113
5	Quinary	131312344144
6	Senary	12024025143
8	Octal	466321227
10	Decimal	81371799
12	Duodecimal	233021b3
16	Hexadecimal	4d9a297
20	Vigesimal	158b99j
36	Base36	1cg2vr

Cryptographic Hash Functions

md5	2ef7a3c6f28521d4232da18d7235f8f3
sha1	8059826da05adaa109735ef8d9a186802ea96dbe
sha256	0e84370346c071051cfbdf92f106f259c7493eb887b2ed10df42f130f0484ec5
sha512	6c4702a92353c2fe7de665d0e0e26da3a12ac8748e66623bd3d322166867761962bcdba1135df610f8dab1c27cac5c980eaa04c1e80690fc73349be5b8ec56db
ripemd-160	d66c38f563f06885c31b09fe7f251ff62b39e1e8

81371799 as geometric shapes

Circle

Radius = n

Diameter	162743598
Circumference	511274091.89557
Area	2.0801646319817E+16

Sphere

Radius = n

Volume	2.2568898442736E+24
Surface area	8.3206585279268E+16
Circumference	511274091.89557

Square

Length = n

Perimeter	325487196
Area	6621369672496401
Diagonal	115077101.7405

Cube

Length = n

Surface area	39728218034978406
Volume	5.3879276209507E+23
Space diagonal	140940090.17128

Equilateral Triangle

Length = n

Perimeter	244115397
Area	2.8671371721149E+15
Altitude	70470045.085641

Triangular Pyramid

Length = n

Surface area	2.8671371721149E+15
Volume	6.3497335955276E+22
Height	38359033.913499