71781640 (number)

71781640 is an even 8-digits composite number following 71781639 and preceding 71781641. In scientific notation, it is written as 7.1781640 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors. There are 24610752 positive integers (up to 71781640) that are relatively prime to 71781640.

Interesting facts

Basic properties

Name

Name seventy-one million seven hundred eighty-one thousand six hundred forty

Notation

Scientific notation 7.1781640 × 10^7
Engineering notation 7.1781640 × 10^6

Prime Factorization of 71781640

Prime Factorization 2 × 2 × 2 × 35 × 256363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 17945410
Product of the distinct prime numbers

The prime factorization of 71781640 is 2 × 2 × 2 × 35 × 256363. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 34, 43, 912, 380, 4197, 4399, 8710, 5185, 169572, 39997, 4476143, 2239052, 11487047, 28170419, 956347051, 48308788, 5881093642, 6971196241

Basic calculations (n = 71781640)

Multiplication

n×y
n×2 143563280
n×3 215344920
n×4 287126560
n×5 358908200

Division

n÷y
n÷2 35890820
n÷3 23927213.333333
n÷3 17945410
n÷5 14356328

Exponentiation

ny
n2 5152603841089600
n3 3.6986235398371E+23
n4 2.6549326343211E+31
n5 1.9057541858109E+39

Nth Root

y√n
2√n 8472.4046173445
3√n 415.59577660246
4√n 92.045665934603
5√n 37.256553349685

Divisors of 71781640

1, 2, 4, 8, 35, 70, 140, 280, 256363, 512726, 1025452, 2050904, 8972705, 17945410, 35890820, 71781640

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 -71781639
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 71781640 can be divided by 16 positive divisors. The sum of these divisors (counting 71781640) is 1, the average is 0.0625.

Base conversion 71781640

Base System Value
2 Binary 100010001110100110100001000
3 Ternary 12000001212220021
4 Quaternary 10101310310020
5 Quinary 121334003030
6 Senary 11042310224
8 Octal 421646410
10 Decimal 71781640
12 Duodecimal 20058374
16 Hexadecimal 4474d08
20 Vigesimal 128ce20
36 Base36 16qj2g

Cryptographic Hash Functions

md5 6c42619e32d68e3e2c9b0157bc62d732
sha1 74b4d6d1eb1f269d19f16508c22d095692814f76
sha256 3851d26e191296902feb34dcfde96af7c158b2f22ecaded18d0f3330972200e1
sha512 228f588e11ef0c186dbfa359b345568c238cff026660e7349a5ddb046ad110eb6981358bf222d72918cba17fd1b27f523723971292af7bef53735890883bc35c
ripemd-160 7f3094d0f642d598dba1b99daf04fbc41ec16ee2

71781640 as geometric shapes

Circle

Radius = n
Diameter 143563280
Circumference 451017345.77325
Area 1.6187382374026E+16

Sphere

Radius = n
Volume 1.5492758054862E+24
Surface area 6.4749529496103E+16
Circumference 451017345.77325

Square

Length = n
Perimeter 287126560
Area 5152603841089600
Diagonal 101514568.81738

Cube

Length = n
Surface area 30915623046537600
Volume 3.6986235398371E+23
Space diagonal 124329447.53062

Equilateral Triangle

Length = n
Perimeter 215344920
Area 2.2311429110104E+15
Altitude 62164723.765309

Triangular Pyramid

Length = n
Surface area 2.2311429110104E+15
Volume 4.3588696434584E+22
Height 33838189.605794