71388871 (number)

71388871 is an odd 8-digits composite number following 71388870 and preceding 71388872. In scientific notation, it is written as 7.1388871 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 67142520 positive integers (up to 71388871) that are relatively prime to 71388871.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand eight hundred seventy-one

Notation

Scientific notation 7.1388871 × 10^7
Engineering notation 7.1388871 × 10^6

Prime Factorization of 71388871

Prime Factorization 19 × 139 × 27031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71388871
Product of the distinct prime numbers

The prime factorization of 71388871 is 19 × 139 × 27031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 44, 100, 757, 1000, 6973, 4099, 97773, 7304, 129166, 172787, 1757470, 3822360, 67311920, 24237805, 555960784, 561864652, 4323508812, 3095419464

Basic calculations (n = 71388871)

Multiplication

n×y
n×2 142777742
n×3 214166613
n×4 285555484
n×5 356944355

Division

n÷y
n÷2 35694435.5
n÷3 23796290.333333
n÷3 17847217.75
n÷5 14277774.2

Exponentiation

ny
n2 5096370902654641
n3 3.6382416493777E+23
n4 2.5972996377425E+31
n5 1.8541828878715E+39

Nth Root

y√n
2√n 8449.1935118093
3√n 414.83638200934
4√n 91.919494732126
5√n 37.215692337586

Divisors of 71388871

1, 19, 139, 2641, 27031, 513589, 3757309, 71388871

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 -71388870
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 71388871 can be divided by 8 positive divisors. The sum of these divisors (counting 71388871) is 1, the average is 0.125.

Base conversion 71388871

Base System Value
2 Binary 100010000010100111011000111
3 Ternary 11222022221010021
4 Quaternary 10100110323013
5 Quinary 121233420441
6 Senary 11030040011
8 Octal 420247307
10 Decimal 71388871
12 Duodecimal 1baa9007
16 Hexadecimal 4414ec7
20 Vigesimal 1263c3b
36 Base36 16i407

Cryptographic Hash Functions

md5 da8c49111b24cb0fdbedd0d9769face4
sha1 74cae83f977cb467d20393809b65992ca99dcddc
sha256 ac78a62b9a9075c5c916abc4145c1cfc72b7cab433a83e38645f3aa5d8c1f27d
sha512 628de654ef8369574c2caeb17e176c7e1a0855be628f13d5dffeb8d946be6f407cc430d7443a20268ad110dd24807b7aefbed222bf69bfb179eac359da485a52
ripemd-160 8352bcb5919bd45380fb2afd1fc5d5da72c213bf

71388871 as geometric shapes

Circle

Radius = n
Diameter 142777742
Circumference 448549505.36334
Area 1.6010721387749E+16

Sphere

Radius = n
Volume 1.5239830983559E+24
Surface area 6.4042885550994E+16
Circumference 448549505.36334

Square

Length = n
Perimeter 285555484
Area 5096370902654641
Diagonal 100959109.5707

Cube

Length = n
Surface area 30578225415927846
Volume 3.6382416493777E+23
Space diagonal 123649151.66698

Equilateral Triangle

Length = n
Perimeter 214166613
Area 2.2067933344034E+15
Altitude 61824575.83349

Triangular Pyramid

Length = n
Surface area 2.2067933344034E+15
Volume 4.2877089031171E+22
Height 33653036.523568