71388905 (number)

71388905 is an odd 8-digits composite number following 71388904 and preceding 71388906. In scientific notation, it is written as 7.1388905 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 48822912 positive integers (up to 71388905) that are relatively prime to 71388905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1388905 × 10^7
Engineering notation 7.1388905 × 10^6

Prime Factorization of 71388905

Prime Factorization 35 × 4987 × 409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71388905
Product of the distinct prime numbers

The prime factorization of 71388905 is 35 × 4987 × 409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71388905)

Multiplication

n×y
n×2 142777810
n×3 214166715
n×4 285555620
n×5 356944525

Division

n÷y
n÷2 35694452.5
n÷3 23796301.666667
n÷3 17847226.25
n÷5 14277781

Exponentiation

ny
n2 5096375757099025
n3 3.6382468476785E+23
n4 2.5973045857547E+31
n5 1.854187303285E+39

Nth Root

y√n
2√n 8449.1955238354
3√n 414.83644786664
4√n 91.919505676627
5√n 37.215695882489

Divisors of 71388905

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 -71388904
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 71388905 can be divided by 8 positive divisors. The sum of these divisors (counting 71388905) is 1, the average is 0.125.

Base conversion 71388905

Base System Value
2 Binary 100010000010100111011101001
3 Ternary 11222022221011112
4 Quaternary 10100110323221
5 Quinary 121233421110
6 Senary 11030040105
8 Octal 420247351
10 Decimal 71388905
12 Duodecimal 1baa9035
16 Hexadecimal 4414ee9
20 Vigesimal 1263c55
36 Base36 16i415

Cryptographic Hash Functions

md5 0ee04429498b1041144872e1261fbbdf
sha1 a3f4a58e05603653c724e8ec635e4e00db7f0db5
sha256 16a1a841d10769c69f522d2482a9b098c9280f9c30a4715ec7dfc78db381b655
sha512 1cbbe594ba1ff59c889d82551face442f88993552e918f932aa29573c3544d86ae73d900a5a8d2fcbeafb868affce5999085f00b497bb8143cc06f62c4d8b82c
ripemd-160 7fe9310e12c2d7d9dc88ccc309766f0e0eb5ba3c

71388905 as geometric shapes

Circle

Radius = n
Diameter 142777810
Circumference 448549718.99164
Area 1.6010736638435E+16

Sphere

Radius = n
Volume 1.523985275815E+24
Surface area 6.4042946553742E+16
Circumference 448549718.99164

Square

Length = n
Perimeter 285555620
Area 5096375757099025
Diagonal 100959157.65396

Cube

Length = n
Surface area 30578254542594150
Volume 3.6382468476785E+23
Space diagonal 123649210.55671

Equilateral Triangle

Length = n
Perimeter 214166715
Area 2.2067954364395E+15
Altitude 61824605.278354

Triangular Pyramid

Length = n
Surface area 2.2067954364395E+15
Volume 4.2877150293734E+22
Height 33653052.551321