71281009 (number)

71281009 is an odd 8-digits composite number following 71281008 and preceding 71281010. In scientific notation, it is written as 7.1281009 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 70907620 positive integers (up to 71281009) that are relatively prime to 71281009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1281009 × 10^7
Engineering notation 7.1281009 × 10^6

Prime Factorization of 71281009

Prime Factorization 191 × 373199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71281009
Product of the distinct prime numbers

The prime factorization of 71281009 is 191 × 373199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71281009)

Multiplication

n×y
n×2 142562018
n×3 213843027
n×4 285124036
n×5 356405045

Division

n÷y
n÷2 35640504.5
n÷3 23760336.333333
n÷3 17820252.25
n÷5 14256201.8

Exponentiation

ny
n2 5080982244058081
n3 3.6217754106754E+23
n4 2.5816380564433E+31
n5 1.8402176553608E+39

Nth Root

y√n
2√n 8442.8081228937
3√n 414.62735019353
4√n 91.884754572746
5√n 37.204439639058

Divisors of 71281009

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 -71281008
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 71281009 can be divided by 4 positive divisors. The sum of these divisors (counting 71281009) is 1, the average is 0.25.

Base conversion 71281009

Base System Value
2 Binary 100001111111010100101110001
3 Ternary 11222010110011101
4 Quaternary 10033322211301
5 Quinary 121221443014
6 Senary 11023444401
8 Octal 417724561
10 Decimal 71281009
12 Duodecimal 1ba56701
16 Hexadecimal 43fa971
20 Vigesimal 125a2a9
36 Base36 16fss1

Cryptographic Hash Functions

md5 ce80e672b0fbde1cb84943ae4a0b5818
sha1 966a772a6bc2e1feea1b65b258763f61b859ec15
sha256 8af03c89f24d87427dec57b6987a39ade6d489fde62be9228505f737fbd325e8
sha512 e997671e0377a3506e1b54cbeb6a87f4107842d24bd8b7ad569d2f297906bde2fe685fdcf8c04cc35da71e4ee0ac5c2a88ed97f1a5eeaf579d6a6877876a998b
ripemd-160 50f002d39fd67a91ee82435f8e4641744359b75b

71281009 as geometric shapes

Circle

Radius = n
Diameter 142562018
Circumference 447871788.42974
Area 1.5962376490953E+16

Sphere

Radius = n
Volume 1.5170857364173E+24
Surface area 6.3849505963812E+16
Circumference 447871788.42974

Square

Length = n
Perimeter 285124036
Area 5080982244058081
Diagonal 100806569.66744

Cube

Length = n
Surface area 30485893464348486
Volume 3.6217754106754E+23
Space diagonal 123462329.20277

Equilateral Triangle

Length = n
Perimeter 213843027
Area 2.200129849766E+15
Altitude 61731164.601387

Triangular Pyramid

Length = n
Surface area 2.200129849766E+15
Volume 4.2683032547055E+22
Height 33602189.889146