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

81279401 (number)

81279401 is an odd 8-digits composite number following 81279400 and preceding 81279402. In scientific notation, it is written as 8.1279401 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 66218064 positive integers (up to 81279401) that are relatively prime to 81279401.

Interesting facts

81279401 has 16 divisors, whose sum is 97542144
The reverse of 81279401 is 10497218
Previous prime number is 167

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million two hundred seventy-nine thousand four hundred one

Notation

Scientific notation	8.1279401 × 10^7
Engineering notation	8.1279401 × 10^6

Prime Factorization of 81279401

Prime Factorization 23 × 7 × 167 × 3023

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81279401	Product of the distinct prime numbers

The prime factorization of 81279401 is 23 × 7 × 167 × 3023. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 8, 96, 376, 849, 6578, 1475, 67339, 57357, 571871, 834291, 3674163, 1871, 66891275, 93555253, 695910669, 941573852, 1099042180, 433239754

Basic calculations (n = 81279401)

Multiplication

n×y

n×2	162558802
n×3	243838203
n×4	325117604
n×5	406397005

Division

n÷y

n÷2	40639700.5
n÷3	27093133.666667
n÷3	20319850.25
n÷5	16255880.2

Exponentiation

n^y

n²	6606341026918801
n³	5.3695944146968E+23
n⁴	4.3643741763951E+31
n⁵	3.5473371879726E+39

Nth Root

^y√n

²√n	9015.5089151972
³√n	433.17178902857
⁴√n	94.95003378197
⁵√n	38.194083997212

Divisors of 81279401

1, 7, 23, 161, 167, 1169, 3023, 3841, 21161, 26887, 69529, 486703, 504841, 3533887, 11611343, 81279401

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81279400	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81279401 can be divided by 16 positive divisors. The sum of these divisors (counting 81279401) is 1, the average is 0.0625.

Base conversion 81279401

Base	System	Value
2	Binary	100110110000011100110101001
3	Ternary	12122221102101012
4	Quaternary	10312003212221
5	Quinary	131301420101
6	Senary	12022033305
8	Octal	466034651
10	Decimal	81279401
12	Duodecimal	23278835
16	Hexadecimal	4d839a9
20	Vigesimal	157jia1
36	Base36	1ce3l5

Cryptographic Hash Functions

md5	f2a7de436a8c0d6032a8316f9802f68b
sha1	e88536599660a64c1c44c6bf97dcf9d81bb96191
sha256	0456eb436d40372e4f2d32958ea79b9b0e8fa5d5d60cf5ff3a783dd948d7efdb
sha512	8a021870bbac6d0419f7554b42083024a3948a76030422a2889fa2d48a5b394afefe80c6d284bf4768008f05fed3b011617d17462af97a801e8e6c25a49fff6b
ripemd-160	fcb51caaca9f910cbde8054220b38c0bf00b1772

81279401 as geometric shapes

Circle

Radius = n

Diameter	162558802
Circumference	510693538.13956
Area	2.0754432437277E+16

Sphere

Radius = n

Volume	2.2492104487958E+24
Surface area	8.3017729749108E+16
Circumference	510693538.13956

Square

Length = n

Perimeter	325117604
Area	6606341026918801
Diagonal	114946431.23576

Cube

Length = n

Surface area	39638046161512806
Volume	5.3695944146968E+23
Space diagonal	140780052.14076

Equilateral Triangle

Length = n

Perimeter	243838203
Area	2.8606295776875E+15
Altitude	70390026.070382

Triangular Pyramid

Length = n

Surface area	2.8606295776875E+15
Volume	6.3281277047559E+22
Height	38315477.078587