71399981 (number)

71399981 is an odd 8-digits composite number following 71399980 and preceding 71399982. In scientific notation, it is written as 7.1399981 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 68295612 positive integers (up to 71399981) that are relatively prime to 71399981.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred ninety-nine thousand nine hundred eighty-one

Notation

Scientific notation 7.1399981 × 10^7
Engineering notation 7.1399981 × 10^6

Prime Factorization of 71399981

Prime Factorization 23 × 3104347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71399981
Product of the distinct prime numbers

The prime factorization of 71399981 is 23 × 3104347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71399981)

Multiplication

n×y
n×2 142799962
n×3 214199943
n×4 285599924
n×5 356999905

Division

n÷y
n÷2 35699990.5
n÷3 23799993.666667
n÷3 17849995.25
n÷5 14279996.2

Exponentiation

ny
n2 5097957286800361
n3 3.6399405341636E+23
n4 2.5989168498041E+31
n5 1.8556261369659E+39

Nth Root

y√n
2√n 8449.8509454309
3√n 414.85790073756
4√n 91.923070800702
5√n 37.216850615059

Divisors of 71399981

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 -71399980
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 71399981 can be divided by 4 positive divisors. The sum of these divisors (counting 71399981) is 1, the average is 0.25.

Base conversion 71399981

Base System Value
2 Binary 100010000010111101000101101
3 Ternary 11222100111100202
4 Quaternary 10100113220231
5 Quinary 121234244411
6 Senary 11030203245
8 Octal 420275055
10 Decimal 71399981
12 Duodecimal 1bab3525
16 Hexadecimal 4417a2d
20 Vigesimal 1264jj1
36 Base36 16ickt

Cryptographic Hash Functions

md5 861fcf4b566edd7cbb573727b31205a3
sha1 172faf599da0f064f08058ecd248dba698f6403e
sha256 0b69c43faec8b187787849876df0c262ca797d4112b578d6165d4fb4c6c2e97a
sha512 68785dc6db8e8f7d7aacaf96a77ed8a5d9a8703a8628c3a8f134cbbbeb266825532f04f98a1d8ed0a012d113286c8ba7839860487e24f05770bc7229bb02c408
ripemd-160 f26664149580952818a47c93b1ef1401cdc3c9da

71399981 as geometric shapes

Circle

Radius = n
Diameter 142799962
Circumference 448619311.5521
Area 1.6015705160527E+16

Sphere

Radius = n
Volume 1.5246947255509E+24
Surface area 6.4062820642106E+16
Circumference 448619311.5521

Square

Length = n
Perimeter 285599924
Area 5097957286800361
Diagonal 100974821.48338

Cube

Length = n
Surface area 30587743720802166
Volume 3.6399405341636E+23
Space diagonal 123668394.75145

Equilateral Triangle

Length = n
Perimeter 214199943
Area 2.2074802588886E+15
Altitude 61834197.375726

Triangular Pyramid

Length = n
Surface area 2.2074802588886E+15
Volume 4.2897110580381E+22
Height 33658273.827794