81749314 (number)

81749314 is an even 8-digits composite number following 81749313 and preceding 81749315. In scientific notation, it is written as 8.1749314 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 39029760 positive integers (up to 81749314) that are relatively prime to 81749314.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-nine thousand three hundred fourteen

Notation

Scientific notation 8.1749314 × 10^7
Engineering notation 8.1749314 × 10^6

Prime Factorization of 81749314

Prime Factorization 2 × 23 × 2311 × 769

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81749314
Product of the distinct prime numbers

The prime factorization of 81749314 is 2 × 23 × 2311 × 769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749314)

Multiplication

n×y
n×2 163498628
n×3 245247942
n×4 326997256
n×5 408746570

Division

n÷y
n÷2 40874657
n÷3 27249771.333333
n÷3 20437328.5
n÷5 16349862.8

Exponentiation

ny
n2 6682950339470596
n3 5.4632660574779E+23
n4 4.466182523983E+31
n5 3.651073575344E+39

Nth Root

y√n
2√n 9041.5327240463
3√n 434.00497279585
4√n 95.086974523571
5√n 38.238145675342

Divisors of 81749314

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 -81749313
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 81749314 can be divided by 16 positive divisors. The sum of these divisors (counting 81749314) is 1, the average is 0.0625.

Base conversion 81749314

Base System Value
2 Binary 100110111110110010101000010
3 Ternary 12200211021222101
4 Quaternary 10313312111002
5 Quinary 131411434224
6 Senary 12040101014
8 Octal 467662502
10 Decimal 81749314
12 Duodecimal 2346476a
16 Hexadecimal 4df6542
20 Vigesimal 15aid5e
36 Base36 1co66a

Cryptographic Hash Functions

md5 ccdeaacb1895c10fbaf174ef035cced2
sha1 ab3a1ed253f22d8a5e58fdcee1cc667561794f1a
sha256 fb8f3ca9797deaa530b36a6deef4519127185aa27aa74dd34464c1bf881b4611
sha512 386a9fe7e328c9f154094503f087123d29f7051a15f3f435bb2cd9f5dce0ee8d6df68e4a8cadd53ec8e1eb97db86044dcbc37fc3ad7bfb2a8bb07275724d229a
ripemd-160 c1b9e8d57c702c2b48ecccdd31df9aa6ff7acb69

81749314 as geometric shapes

Circle

Radius = n
Diameter 163498628
Circumference 513646088.59681
Area 2.0995107690786E+16

Sphere

Radius = n
Volume 2.2884475347705E+24
Surface area 8.3980430763145E+16
Circumference 513646088.59681

Square

Length = n
Perimeter 326997256
Area 6682950339470596
Diagonal 115610988.5735

Cube

Length = n
Surface area 40097702036823576
Volume 5.4632660574779E+23
Space diagonal 141593965.3319

Equilateral Triangle

Length = n
Perimeter 245247942
Area 2.8938023831057E+15
Altitude 70796982.665951

Triangular Pyramid

Length = n
Surface area 2.8938023831057E+15
Volume 6.4385207944482E+22
Height 38536996.191166