71287251 (number)

71287251 is an odd 8-digits composite number following 71287250 and preceding 71287252. In scientific notation, it is written as 7.1287251 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 40464000 positive integers (up to 71287251) that are relatively prime to 71287251.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred eighty-seven thousand two hundred fifty-one

Notation

Scientific notation 7.1287251 × 10^7
Engineering notation 7.1287251 × 10^6

Prime Factorization of 71287251

Prime Factorization 3 × 7 × 151 × 22481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71287251
Product of the distinct prime numbers

The prime factorization of 71287251 is 3 × 7 × 151 × 22481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 37, 69, 848, 417, 367, 1796, 4519, 5129, 76692, 355315, 7782084, 2615607, 29532359, 56894719, 226423735, 886631786, 7224316277, 5857047050

Basic calculations (n = 71287251)

Multiplication

n×y
n×2 142574502
n×3 213861753
n×4 285149004
n×5 356436255

Division

n÷y
n÷2 35643625.5
n÷3 23762417
n÷3 17821812.75
n÷5 14257450.2

Exponentiation

ny
n2 5081872155137001
n3 3.6227269587316E+23
n4 2.5825424601157E+31
n5 1.8410235257242E+39

Nth Root

y√n
2√n 8443.1777785381
3√n 414.63945266146
4√n 91.886766068559
5√n 37.205091206653

Divisors of 71287251

1, 3, 7, 21, 151, 453, 1057, 3171, 22481, 67443, 157367, 472101, 3394631, 10183893, 23762417, 71287251

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 -71287250
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 71287251 can be divided by 16 positive divisors. The sum of these divisors (counting 71287251) is 1, the average is 0.0625.

Base conversion 71287251

Base System Value
2 Binary 100001111111100000111010011
3 Ternary 11222010202201120
4 Quaternary 10033330013103
5 Quinary 121222143001
6 Senary 11023533323
8 Octal 417740723
10 Decimal 71287251
12 Duodecimal 1ba5a243
16 Hexadecimal 43fc1d3
20 Vigesimal 125ai2b
36 Base36 16fxlf

Cryptographic Hash Functions

md5 60cf5a22e5ac61d928d239170e289a7e
sha1 6ace6b0c7a0b251f0aa139351700fc37b537aa3b
sha256 338b839aa2c119783887983c74da1247613a20b4ac4280cd984fba36dc94cde3
sha512 9db1f0ae3c5792efc59f0204472556636534f1875c4abb4ef12bd1f0953765eeaf6215c26963327e3011e4fbe403d8de8e2c56e06d48a4311dac1231b577842b
ripemd-160 9bea9a2a5681263022108d79c60d76ddeca67c52

71287251 as geometric shapes

Circle

Radius = n
Diameter 142574502
Circumference 447911008.07242
Area 1.5965172229061E+16

Sphere

Radius = n
Volume 1.5174843199351E+24
Surface area 6.3860688916244E+16
Circumference 447911008.07242

Square

Length = n
Perimeter 285149004
Area 5081872155137001
Diagonal 100815397.18849

Cube

Length = n
Surface area 30491232930822006
Volume 3.6227269587316E+23
Space diagonal 123473140.66392

Equilateral Triangle

Length = n
Perimeter 213861753
Area 2.2005151925667E+15
Altitude 61736570.331958

Triangular Pyramid

Length = n
Surface area 2.2005151925667E+15
Volume 4.2694246648441E+22
Height 33605132.396165