81340984 (number)

81340984 is an even 8-digits composite number following 81340983 and preceding 81340985. In scientific notation, it is written as 8.1340984 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors. There are 40670488 positive integers (up to 81340984) that are relatively prime to 81340984.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty thousand nine hundred eighty-four

Notation

Scientific notation 8.1340984 × 10^7
Engineering notation 8.1340984 × 10^6

Prime Factorization of 81340984

Prime Factorization 2 × 2 × 2 × 10167623

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20335246
Product of the distinct prime numbers

The prime factorization of 81340984 is 2 × 2 × 2 × 10167623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 39, 62, 303, 164, 2451, 5617, 75076, 42029, 751683, 53135, 5396308, 7950582, 10428316, 93241928, 260694963, 612704835, 6176707860, 1148145458

Basic calculations (n = 81340984)

Multiplication

n×y
n×2 162681968
n×3 244022952
n×4 325363936
n×5 406704920

Division

n÷y
n÷2 40670492
n÷3 27113661.333333
n÷3 20335246
n÷5 16268196.8

Exponentiation

ny
n2 6616355678088256
n3 5.3818088134969E+23
n4 4.3776162458971E+31
n5 3.5607961301565E+39

Nth Root

y√n
2√n 9018.9236608367
3√n 433.28116189787
4√n 94.968013882763
5√n 38.199869949671

Divisors of 81340984

1, 2, 4, 8, 10167623, 20335246, 40670492, 81340984

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 -81340983
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 81340984 can be divided by 8 positive divisors. The sum of these divisors (counting 81340984) is 1, the average is 0.125.

Base conversion 81340984

Base System Value
2 Binary 100110110010010101000111000
3 Ternary 12200001112212001
4 Quaternary 10312102220320
5 Quinary 131310402414
6 Senary 12023230344
8 Octal 466225070
10 Decimal 81340984
12 Duodecimal 232a83b4
16 Hexadecimal 4d92a38
20 Vigesimal 1587c94
36 Base36 1cff3s

Cryptographic Hash Functions

md5 7c22696b3480fbb5618e40834d4ae378
sha1 a9b3c22260151c0bd8d277abc7fa1ea5a0173b86
sha256 ad0c7790b0adf42700a39536e254399f8da5c56002a1d412639cdccf87e14a01
sha512 5cb1efa273bcd91997c5db78189cfcf6529998f8f23dd24d945ac158d6d7de9cc3f7bc55685a1a7674eab50dec1c054d4a94fba1c45217bdc3b3e8b63ca0ecaf
ripemd-160 0069c5a0046d4101497556b89046700b5581242e

81340984 as geometric shapes

Circle

Radius = n
Diameter 162681968
Circumference 511080475.54033
Area 2.0785894391819E+16

Sphere

Radius = n
Volume 2.2543268042009E+24
Surface area 8.3143577567277E+16
Circumference 511080475.54033

Square

Length = n
Perimeter 325363936
Area 6616355678088256
Diagonal 115033522.74957

Cube

Length = n
Surface area 39698134068529536
Volume 5.3818088134969E+23
Space diagonal 140886717.02565

Equilateral Triangle

Length = n
Perimeter 244022952
Area 2.8649660488489E+15
Altitude 70443358.512824

Triangular Pyramid

Length = n
Surface area 2.8649660488489E+15
Volume 6.3425225117886E+22
Height 38344507.583191