71387990 (number)

71387990 is an even 8-digits composite number following 71387989 and preceding 71387991. In scientific notation, it is written as 7.1387990 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 28555192 positive integers (up to 71387990) that are relatively prime to 71387990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1387990 × 10^7
Engineering notation 7.1387990 × 10^6

Prime Factorization of 71387990

Prime Factorization 2 × 5 × 7138799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71387990
Product of the distinct prime numbers

The prime factorization of 71387990 is 2 × 5 × 7138799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 31, 42, 889, 356, 3978, 708, 58238, 11826, 769680, 216020, 8746527, 4195233, 81120269, 1572281, 564588805, 814074654, 988228689, 132511257

Basic calculations (n = 71387990)

Multiplication

n×y
n×2 142775980
n×3 214163970
n×4 285551960
n×5 356939950

Division

n÷y
n÷2 35693995
n÷3 23795996.666667
n÷3 17846997.5
n÷5 14277598

Exponentiation

ny
n2 5096245116240100
n3 3.638106953957E+23
n4 2.5971714284801E+31
n5 1.8540684796462E+39

Nth Root

y√n
2√n 8449.141376495
3√n 414.8346755232
4√n 91.919211139429
5√n 37.215600482409

Divisors of 71387990

1, 2, 5, 10, 7138799, 14277598, 35693995, 71387990

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 -71387989
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 71387990 can be divided by 8 positive divisors. The sum of these divisors (counting 71387990) is 1, the average is 0.125.

Base conversion 71387990

Base System Value
2 Binary 100010000010100101101010110
3 Ternary 11222022212220122
4 Quaternary 10100110231112
5 Quinary 121233403430
6 Senary 11030031542
8 Octal 420245526
10 Decimal 71387990
12 Duodecimal 1baa85b2
16 Hexadecimal 4414b56
20 Vigesimal 12639ja
36 Base36 16i3bq

Cryptographic Hash Functions

md5 563f2acb0e8b54e9ef4e980b37be710b
sha1 fd6f201a8a8bbefdce7b7a3ee63f693f03f8386e
sha256 bfab3deaa41aae73859086d0e47180ed51f8dbd9618ec14d8385df00186bfe5b
sha512 6fd087b887537af3c8c311f7553145d126f9e15b9116fa857f2c8b75b5931a1c290f49f9da656034572b42ab87c79d6b81f2b582ddf1caf423531e7bc8197d1e
ripemd-160 929e1c7ed272c37d6c8800e7f1771f1521b5404e

71387990 as geometric shapes

Circle

Radius = n
Diameter 142775980
Circumference 448543969.87708
Area 1.6010326218073E+16

Sphere

Radius = n
Volume 1.52392667727E+24
Surface area 6.4041304872291E+16
Circumference 448543969.87708

Square

Length = n
Perimeter 285551960
Area 5096245116240100
Diagonal 100957863.64855

Cube

Length = n
Surface area 30577470697440600
Volume 3.638106953957E+23
Space diagonal 123647625.73022

Equilateral Triangle

Length = n
Perimeter 214163970
Area 2.2067388672882E+15
Altitude 61823812.865109

Triangular Pyramid

Length = n
Surface area 2.2067388672882E+15
Volume 4.2875501630415E+22
Height 33652621.216185