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

81551164 (number)

81551164 is an even 8-digits composite number following 81551163 and preceding 81551165. In scientific notation, it is written as 8.1551164 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 40775580 positive integers (up to 81551164) that are relatively prime to 81551164.

Interesting facts

81551164 has 6 divisors, whose sum is 142714544
The reverse of 81551164 is 46115518
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million five hundred fifty-one thousand one hundred sixty-four

Notation

Scientific notation	8.1551164 × 10^7
Engineering notation	8.1551164 × 10^6

Prime Factorization of 81551164

Prime Factorization 2 × 2 × 20387791

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	40775582	Product of the distinct prime numbers

The prime factorization of 81551164 is 2 × 2 × 20387791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 59, 33, 697, 756, 9907, 6385, 4496, 21291, 87355, 165816, 2981909, 6193973, 34146527, 56484709, 109119275, 549890675, 8723278052, 5156271309

Basic calculations (n = 81551164)

Multiplication

n×y

n×2	163102328
n×3	244653492
n×4	326204656
n×5	407755820

Division

n÷y

n÷2	40775582
n÷3	27183721.333333
n÷3	20387791
n÷5	16310232.8

Exponentiation

n^y

n²	6650592349754896
n³	5.4236354741201E+23
n⁴	4.4230378602618E+31
n⁵	3.6070388592042E+39

Nth Root

^y√n

²√n	9030.5683099127
³√n	433.65403137223
⁴√n	95.029302375176
⁵√n	38.219590790746

Divisors of 81551164

1, 2, 4, 20387791, 40775582, 81551164

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81551163	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81551164 can be divided by 6 positive divisors. The sum of these divisors (counting 81551164) is 1, the average is 0.16666666666667.

Base conversion 81551164

Base	System	Value
2	Binary	100110111000101111100111100
3	Ternary	12200110020011111
4	Quaternary	10313011330330
5	Quinary	131334114124
6	Senary	12031531404
8	Octal	467057474
10	Decimal	81551164
12	Duodecimal	23389b64
16	Hexadecimal	4dc5f3c
20	Vigesimal	159dhi4
36	Base36	1cjxa4

Cryptographic Hash Functions

md5	7ebe3d87efc5b460594b91535ec11238
sha1	648f4bba309c473f6ac3484af45752a2c9574b0c
sha256	fdc73bda57748a9c95773044e908c3283081f9ca8a777d4e2f62da823e8b1bad
sha512	cd809e26af450243d59c57ca795cbfb82b97432b4151cda0cc98393eeec655e763f9ed52e31c1e2ecafcf69e349dbcabf81dcf8855cc9ab2843a6fcd65619aff
ripemd-160	ff753a6b015c8553b9889dece3196ca60fb1a283

81551164 as geometric shapes

Circle

Radius = n

Diameter	163102328
Circumference	512401075.42819
Area	2.089345206801E+16

Sphere

Radius = n

Volume	2.2718471148326E+24
Surface area	8.3573808272042E+16
Circumference	512401075.42819

Square

Length = n

Perimeter	326204656
Area	6650592349754896
Diagonal	115330762.15611

Cube

Length = n

Surface area	39903554098529376
Volume	5.4236354741201E+23
Space diagonal	141250759.46438

Equilateral Triangle

Length = n

Perimeter	244653492
Area	2.8797909625511E+15
Altitude	70625379.732191

Triangular Pyramid

Length = n

Surface area	2.8797909625511E+15
Volume	6.391815704057E+22
Height	38443587.385371