71281231 (number)

71281231 is an odd 8-digits composite number following 71281230 and preceding 71281232. In scientific notation, it is written as 7.1281231 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 60217080 positive integers (up to 71281231) that are relatively prime to 71281231.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1281231 × 10^7
Engineering notation 7.1281231 × 10^6

Prime Factorization of 71281231

Prime Factorization 49 × 7 × 71 × 2927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71281231
Product of the distinct prime numbers

The prime factorization of 71281231 is 49 × 7 × 71 × 2927. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 22, 44, 475, 688, 8986, 6793, 15367, 47753, 628167, 145504, 5003726, 2637525, 2614442, 56123227, 314443183, 919563866, 1836008994, 3956171870

Basic calculations (n = 71281231)

Multiplication

n×y
n×2 142562462
n×3 213843693
n×4 285124924
n×5 356406155

Division

n÷y
n÷2 35640615.5
n÷3 23760410.333333
n÷3 17820307.75
n÷5 14256246.2

Exponentiation

ny
n2 5081013892875361
n3 3.6218092501226E+23
n4 2.5816702179592E+31
n5 1.8402463117217E+39

Nth Root

y√n
2√n 8442.8212701679
3√n 414.62778063626
4√n 91.884826114914
5√n 37.204462813183

Divisors of 71281231

1, 7, 49, 71, 343, 497, 2927, 3479, 20489, 24353, 143423, 207817, 1003961, 1454719, 10183033, 71281231

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 -71281230
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 71281231 can be divided by 16 positive divisors. The sum of these divisors (counting 71281231) is 1, the average is 0.0625.

Base conversion 71281231

Base System Value
2 Binary 100001111111010101001001111
3 Ternary 11222010110110121
4 Quaternary 10033322221033
5 Quinary 121221444411
6 Senary 11023445411
8 Octal 417725117
10 Decimal 71281231
12 Duodecimal 1ba56867
16 Hexadecimal 43faa4f
20 Vigesimal 125a31b
36 Base36 16fsy7

Cryptographic Hash Functions

md5 7b7792b17d2d4fe94d0eb58aab25fb69
sha1 ffb96d107fd90717ce722ffe5e4383e8f2c33a8c
sha256 30ab8e9dce172d12382a94cdd9b6aeb0b747b35b795666ccaf80ab4f71f963f8
sha512 161aaea48ccb948cc5b7c16e77fdd71b54c25f3d7134ea07eecd92bef4ddebb176c1b3eefb9a891470be565f4851a6286ea090ff69b8b55254a2449fc886b7fc
ripemd-160 2c420a63e9b40a8b5e0f661fb40ada5ed0a19c37

71281231 as geometric shapes

Circle

Radius = n
Diameter 142562462
Circumference 447873183.29687
Area 1.5962475918645E+16

Sphere

Radius = n
Volume 1.5170999110518E+24
Surface area 6.384990367458E+16
Circumference 447873183.29687

Square

Length = n
Perimeter 285124924
Area 5081013892875361
Diagonal 100806883.62285

Cube

Length = n
Surface area 30486083357252166
Volume 3.6218092501226E+23
Space diagonal 123462713.71805

Equilateral Triangle

Length = n
Perimeter 213843693
Area 2.2001435541059E+15
Altitude 61731356.859027

Triangular Pyramid

Length = n
Surface area 2.2001435541059E+15
Volume 4.2683431348764E+22
Height 33602294.54095