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

81640269 (number)

81640269 is an odd 8-digits composite number following 81640268 and preceding 81640270. In scientific notation, it is written as 8.1640269 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 53268552 positive integers (up to 81640269) that are relatively prime to 81640269.

Interesting facts

81640269 has 8 divisors, whose sum is 92641920
The reverse of 81640269 is 96204618
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	eighty-one million six hundred forty thousand two hundred sixty-nine

Notation

Scientific notation	8.1640269 × 10^7
Engineering notation	8.1640269 × 10^6

Prime Factorization of 81640269

Prime Factorization 9 × 47 × 193003

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81640269	Product of the distinct prime numbers

The prime factorization of 81640269 is 9 × 47 × 193003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 61, 14, 724, 603, 3941, 5423, 5365, 74045, 919979, 129969, 3316285, 4369407, 33619467, 35498762, 145142424, 587677603, 6909014700, 364106776

Basic calculations (n = 81640269)

Multiplication

n×y

n×2	163280538
n×3	244920807
n×4	326561076
n×5	408201345

Division

n÷y

n÷2	40820134.5
n÷3	27213423
n÷3	20410067.25
n÷5	16328053.8

Exponentiation

n^y

n²	6665133522392361
n³	5.4414329368903E+23
n⁴	4.4424004871318E+31
n⁵	3.6267877077517E+39

Nth Root

^y√n

²√n	9035.5004842012
³√n	433.81191457831
⁴√n	95.055249640413
⁵√n	38.227939093932

Divisors of 81640269

1, 9, 47, 423, 193003, 1737027, 9071141, 81640269

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	-81640268	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 81640269 can be divided by 8 positive divisors. The sum of these divisors (counting 81640269) is 1, the average is 0.125.

Base conversion 81640269

Base	System	Value
2	Binary	100110111011011101101001101
3	Ternary	12200121202101200
4	Quaternary	10313123231031
5	Quinary	131344442034
6	Senary	12033500113
8	Octal	467335515
10	Decimal	81640269
12	Duodecimal	23411639
16	Hexadecimal	4ddbb4d
20	Vigesimal	15a50d9
36	Base36	1clu19

Cryptographic Hash Functions

md5	bc538f2cf334916258968d22f7a9352d
sha1	c46fc6e870fb5b647e40f59187866e45fe6625e0
sha256	1ae7d5a136d4968c09d1b3045b1c1af57925c345b5005d540d66cd386d2ddbb9
sha512	b95230ba9cee7cabd99c9ad135494cae057982c38ad2314efdaa2eedb075c4f637e5eaa3dceced450924846e6564f003e7a364ec0325e7f0b763787613ce1d93
ripemd-160	617f7f94a6058b10cef9184425e62d5a2a41cedc

81640269 as geometric shapes

Circle

Radius = n

Diameter	163280538
Circumference	512960938.65499
Area	2.0939134509143E+16

Sphere

Radius = n

Volume	2.2793020986048E+24
Surface area	8.3756538036572E+16
Circumference	512960938.65499

Square

Length = n

Perimeter	326561076
Area	6665133522392361
Diagonal	115456775.65559

Cube

Length = n

Surface area	39990801134354166
Volume	5.4414329368903E+23
Space diagonal	141405093.85159

Equilateral Triangle

Length = n

Perimeter	244920807
Area	2.8860874750035E+15
Altitude	70702546.925795

Triangular Pyramid

Length = n

Surface area	2.8860874750035E+15
Volume	6.4127902150783E+22
Height	38485591.885196