80821381 (number)

80821381 is an odd 8-digits composite number following 80821380 and preceding 80821382. In scientific notation, it is written as 8.0821381 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 78941772 positive integers (up to 80821381) that are relatively prime to 80821381.

Interesting facts

Basic properties

Name

Name eighty million eight hundred twenty-one thousand three hundred eighty-one

Notation

Scientific notation 8.0821381 × 10^7
Engineering notation 8.0821381 × 10^6

Prime Factorization of 80821381

Prime Factorization 43 × 1879567

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 80821381
Product of the distinct prime numbers

The prime factorization of 80821381 is 43 × 1879567. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821381)

Multiplication

n×y
n×2 161642762
n×3 242464143
n×4 323285524
n×5 404106905

Division

n÷y
n÷2 40410690.5
n÷3 26940460.333333
n÷3 20205345.25
n÷5 16164276.2

Exponentiation

ny
n2 6532095626747161
n3 5.2793298937777E+23
n4 4.2668273276969E+31
n5 3.4485087711301E+39

Nth Root

y√n
2√n 8990.0712455464
3√n 432.35659606895
4√n 94.815986234107
5√n 38.150940913987

Divisors of 80821381

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -80821380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 80821381 can be divided by 4 positive divisors. The sum of these divisors (counting 80821381) is 1, the average is 0.25.

Base conversion 80821381

Base System Value
2 Binary 100110100010011110010000101
3 Ternary 12122002011002111
4 Quaternary 10310103302011
5 Quinary 131142241011
6 Senary 12004141021
8 Octal 464236205
10 Decimal 80821381
12 Duodecimal 23097771
16 Hexadecimal 4d13c85
20 Vigesimal 1552d91
36 Base36 1c4a6d

Cryptographic Hash Functions

md5 9cc2758383c3a4d2d698c5b050bee0ae
sha1 f356b1f590b95704d98383752df6537d7692a75a
sha256 5f149a54d63cbecbfa4bdaa5632c6cc598c088af866c0140cd910d3be236a3f1
sha512 1e060710e9f94921b9191d12a39d0fdc53a9debc46c86e18c0a1ef6871daee40e81716e100dba852f6313a3960dbee0f594657c8cb7d895d00ac3d18c931c0cb
ripemd-160 9ee1d29d9fb44037068f8d56059db77a80295a62

80821381 as geometric shapes

Circle

Radius = n
Diameter 161642762
Circumference 507815713.60516
Area 2.0521183633535E+16

Sphere

Radius = n
Volume 2.2114005346892E+24
Surface area 8.208473453414E+16
Circumference 507815713.60516

Square

Length = n
Perimeter 323285524
Area 6532095626747161
Diagonal 114298693.13992

Cube

Length = n
Surface area 39192573760482966
Volume 5.2793298937777E+23
Space diagonal 139986738.22988

Equilateral Triangle

Length = n
Perimeter 242464143
Area 2.8284803763561E+15
Altitude 69993369.114941

Triangular Pyramid

Length = n
Surface area 2.8284803763561E+15
Volume 6.2217499466851E+22
Height 38099564.379974