71388938 (number)

71388938 is an even 8-digits composite number following 71388937 and preceding 71388939. In scientific notation, it is written as 7.1388938 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 34591200 positive integers (up to 71388938) that are relatively prime to 71388938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1388938 × 10^7
Engineering notation 7.1388938 × 10^6

Prime Factorization of 71388938

Prime Factorization 2 × 71 × 59 × 8521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71388938
Product of the distinct prime numbers

The prime factorization of 71388938 is 2 × 71 × 59 × 8521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 43, 44, 934, 242, 940, 4687, 82561, 61521, 564608, 238163, 2588372, 8238687, 71897558, 92356693, 684295924, 479968870, 3506430069, 9433300653

Basic calculations (n = 71388938)

Multiplication

n×y
n×2 142777876
n×3 214166814
n×4 285555752
n×5 356944690

Division

n÷y
n÷2 35694469
n÷3 23796312.666667
n÷3 17847234.5
n÷5 14277787.6

Exponentiation

ny
n2 5096380468767844
n3 3.6382518930928E+23
n4 2.5973093882438E+31
n5 1.8541915888416E+39

Nth Root

y√n
2√n 8449.1974766838
3√n 414.83651178694
4√n 91.919516299227
5√n 37.21569932313

Divisors of 71388938

1, 2, 59, 71, 118, 142, 4189, 8378, 8521, 17042, 502739, 604991, 1005478, 1209982, 35694469, 71388938

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 -71388937
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 71388938 can be divided by 16 positive divisors. The sum of these divisors (counting 71388938) is 1, the average is 0.0625.

Base conversion 71388938

Base System Value
2 Binary 100010000010100111100001010
3 Ternary 11222022221012202
4 Quaternary 10100110330022
5 Quinary 121233421223
6 Senary 11030040202
8 Octal 420247412
10 Decimal 71388938
12 Duodecimal 1baa9062
16 Hexadecimal 4414f0a
20 Vigesimal 1263c6i
36 Base36 16i422

Cryptographic Hash Functions

md5 de747eb9675b73d560708c28b5a1df52
sha1 ce88154277ec70619f4d0f2a52fa19d41580ae19
sha256 73f67fe99c260050bc1c0a93ce185929e1fbb66624e78ce235b798cd174f28d3
sha512 6253bef43c8882a105cb538a98b4195c63883077a395e5692004afedb5c1d1b1592ed8ac61019f6b9a3495248e6f7d0ac8b3c662dd82a161dacb524a5ded9faf
ripemd-160 b19f5193386a0d3614be256705967e213422249b

71388938 as geometric shapes

Circle

Radius = n
Diameter 142777876
Circumference 448549926.33675
Area 1.601075144058E+16

Sphere

Radius = n
Volume 1.5239873892333E+24
Surface area 6.4043005762318E+16
Circumference 448549926.33675

Square

Length = n
Perimeter 285555752
Area 5096380468767844
Diagonal 100959204.32301

Cube

Length = n
Surface area 30578282812607064
Volume 3.6382518930928E+23
Space diagonal 123649267.71438

Equilateral Triangle

Length = n
Perimeter 214166814
Area 2.2067974766519E+15
Altitude 61824633.857192

Triangular Pyramid

Length = n
Surface area 2.2067974766519E+15
Volume 4.2877209754512E+22
Height 33653068.107671