81872014 (number)

81872014 is an even 8-digits composite number following 81872013 and preceding 81872015. In scientific notation, it is written as 8.1872014 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 34740000 positive integers (up to 81872014) that are relatively prime to 81872014.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-two thousand fourteen

Notation

Scientific notation 8.1872014 × 10^7
Engineering notation 8.1872014 × 10^6

Prime Factorization of 81872014

Prime Factorization 2 × 7 × 101 × 57901

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81872014
Product of the distinct prime numbers

The prime factorization of 81872014 is 2 × 7 × 101 × 57901. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81872014)

Multiplication

n×y
n×2 163744028
n×3 245616042
n×4 327488056
n×5 409360070

Division

n÷y
n÷2 40936007
n÷3 27290671.333333
n÷3 20468003.5
n÷5 16374402.8

Exponentiation

ny
n2 6703026676416196
n3 5.4879029389392E+23
n4 4.4930566624747E+31
n5 3.6785559797292E+39

Nth Root

y√n
2√n 9048.3155338439
3√n 434.22200128223
4√n 95.122634182637
5√n 38.249617346335

Divisors of 81872014

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 -81872013
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 81872014 can be divided by 16 positive divisors. The sum of these divisors (counting 81872014) is 1, the average is 0.0625.

Base conversion 81872014

Base System Value
2 Binary 100111000010100010010001110
3 Ternary 12201001112021211
4 Quaternary 10320110102032
5 Quinary 131424401024
6 Senary 12042445034
8 Octal 470242216
10 Decimal 81872014
12 Duodecimal 2350377a
16 Hexadecimal 4e1448e
20 Vigesimal 15be00e
36 Base36 1cqsum

Cryptographic Hash Functions

md5 ffce577bcd85a4c58a08803303b3aeba
sha1 d7f35470e60d0dabdf8a49e396d3992880e46759
sha256 e2594d16022db2b0397b4038890d7e4b4418e0f5f9cc18d2e38744325d7a492e
sha512 3a70758dcf06ef1beb2fc68ffaf0c98fc2f9a7718339746b2c666a969f69bf36b25e4e2b94eb851dee5b6d0c3758e4bd04e046d60b5b14e9b660429295cefa54
ripemd-160 a893bbff31816cd66e5497bc2eccab43dc6d958e

81872014 as geometric shapes

Circle

Radius = n
Diameter 163744028
Circumference 514417035.434
Area 2.1058179363446E+16

Sphere

Radius = n
Volume 2.2987674075447E+24
Surface area 8.4232717453782E+16
Circumference 514417035.434

Square

Length = n
Perimeter 327488056
Area 6703026676416196
Diagonal 115784512.5776

Cube

Length = n
Surface area 40218160058497176
Volume 5.4879029389392E+23
Space diagonal 141806487.96599

Equilateral Triangle

Length = n
Perimeter 245616042
Area 2.9024956920106E+15
Altitude 70903243.982995

Triangular Pyramid

Length = n
Surface area 2.9024956920106E+15
Volume 6.4675556376958E+22
Height 38594837.525867