71211985 (number)

71211985 is an odd 8-digits composite number following 71211984 and preceding 71211986. In scientific notation, it is written as 7.1211985 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 52587264 positive integers (up to 71211985) that are relatively prime to 71211985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1211985 × 10^7
Engineering notation 7.1211985 × 10^6

Prime Factorization of 71211985

Prime Factorization 5 × 13 × 1095569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71211985
Product of the distinct prime numbers

The prime factorization of 71211985 is 5 × 13 × 1095569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 87, 26, 11, 737, 4875, 7926, 78863, 60601, 347356, 925112, 3695149, 9999122, 25360889, 846740, 443333405, 854937124, 555385501, 3978402851

Basic calculations (n = 71211985)

Multiplication

n×y
n×2 142423970
n×3 213635955
n×4 284847940
n×5 356059925

Division

n÷y
n÷2 35605992.5
n÷3 23737328.333333
n÷3 17802996.25
n÷5 14242397

Exponentiation

ny
n2 5071146807640225
n3 3.6112643039847E+23
n4 2.571652994464E+31
n5 1.8313251446697E+39

Nth Root

y√n
2√n 8438.7193933677
3√n 414.49347404485
4√n 91.862502651341
5√n 37.197231563496

Divisors of 71211985

1, 5, 13, 65, 1095569, 5477845, 14242397, 71211985

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 -71211984
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 71211985 can be divided by 8 positive divisors. The sum of these divisors (counting 71211985) is 1, the average is 0.125.

Base conversion 71211985

Base System Value
2 Binary 100001111101001101111010001
3 Ternary 11221222221110221
4 Quaternary 10033221233101
5 Quinary 121212240420
6 Senary 11022153041
8 Octal 417515721
10 Decimal 71211985
12 Duodecimal 1ba22781
16 Hexadecimal 43e9bd1
20 Vigesimal 12519j5
36 Base36 16ebip

Cryptographic Hash Functions

md5 918738eca5c4ddfe10090573f17f0b09
sha1 fbe7ce2de8b456c94b351fa2002219b8cb49b7cb
sha256 181b6195f3ad1b413f5e9cf5a02ad5be07d181bdf2b850064ee7bada7a06589e
sha512 15724ffec9032f59a56cb2868979b1f78e5f27eae44d8d8b29527f30900ee60daf5f61f9597707543c934f935d95107af1c12440aae7d6a02aa81679bc2a1c21
ripemd-160 5c825d6e45f2dc56857a099d18a1757c4ebe52ce

71211985 as geometric shapes

Circle

Radius = n
Diameter 142423970
Circumference 447438097.84709
Area 1.5931477556158E+16

Sphere

Radius = n
Volume 1.5126828543426E+24
Surface area 6.3725910224631E+16
Circumference 447438097.84709

Square

Length = n
Perimeter 284847940
Area 5071146807640225
Diagonal 100708954.99051

Cube

Length = n
Surface area 30426880845841350
Volume 3.6112643039847E+23
Space diagonal 123342776.12783

Equilateral Triangle

Length = n
Perimeter 213635955
Area 2.1958709808684E+15
Altitude 61671388.063916

Triangular Pyramid

Length = n
Surface area 2.1958709808684E+15
Volume 4.2559157966742E+22
Height 33569651.663503