81336385 (number)

81336385 is an odd 8-digits composite number following 81336384 and preceding 81336386. In scientific notation, it is written as 8.1336385 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 60063744 positive integers (up to 81336385) that are relatively prime to 81336385.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-six thousand three hundred eighty-five

Notation

Scientific notation 8.1336385 × 10^7
Engineering notation 8.1336385 × 10^6

Prime Factorization of 81336385

Prime Factorization 5 × 13 × 1251329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81336385
Product of the distinct prime numbers

The prime factorization of 81336385 is 5 × 13 × 1251329. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 10, 97, 235, 559, 6679, 597, 23855, 6140, 84361, 344599, 2664355, 553878, 93190961, 54543202, 198460605, 543172471, 9824076006, 7339629124

Basic calculations (n = 81336385)

Multiplication

n×y
n×2 162672770
n×3 244009155
n×4 325345540
n×5 406681925

Division

n÷y
n÷2 40668192.5
n÷3 27112128.333333
n÷3 20334096.25
n÷5 16267277

Exponentiation

ny
n2 6615607524868225
n3 5.3808960065158E+23
n4 4.3766262923093E+31
n5 3.5597896111239E+39

Nth Root

y√n
2√n 9018.6686933272
3√n 433.27299587249
4√n 94.966671487039
5√n 38.199437977578

Divisors of 81336385

1, 5, 13, 65, 1251329, 6256645, 16267277, 81336385

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 -81336384
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 81336385 can be divided by 8 positive divisors. The sum of these divisors (counting 81336385) is 1, the average is 0.125.

Base conversion 81336385

Base System Value
2 Binary 100110110010001100001000001
3 Ternary 12200001022112201
4 Quaternary 10312101201001
5 Quinary 131310231020
6 Senary 12023153201
8 Octal 466214101
10 Decimal 81336385
12 Duodecimal 232a5801
16 Hexadecimal 4d91841
20 Vigesimal 15870j5
36 Base36 1cfbk1

Cryptographic Hash Functions

md5 2f08c7b059b5a04a261feb68416e651d
sha1 455f8a1fbe3246f7b09ab09753c29dfdcea139ca
sha256 a2439b7a541744916c4c6cd0dd51aed97eb8c0ca0b11a491b0b898410aedb5f9
sha512 b6fd69613b0b222a9dc7aaea4953fbea466c381e03c84d262e29df24a3e2d33751999a17c901d53856730dedd0cdf9c0ac0007752edb9484566ef612ae29e239
ripemd-160 b53253f21227f84c3f016994b614a9459e7c8c7b

81336385 as geometric shapes

Circle

Radius = n
Diameter 162672770
Circumference 511051579.1711
Area 2.0783543999159E+16

Sphere

Radius = n
Volume 2.2539444485068E+24
Surface area 8.3134175996637E+16
Circumference 511051579.1711

Square

Length = n
Perimeter 325345540
Area 6615607524868225
Diagonal 115027018.7814

Cube

Length = n
Surface area 39693645149209350
Volume 5.3808960065158E+23
Space diagonal 140878751.32398

Equilateral Triangle

Length = n
Perimeter 244009155
Area 2.8646420890017E+15
Altitude 70439375.661992

Triangular Pyramid

Length = n
Surface area 2.8646420890017E+15
Volume 6.3414467584449E+22
Height 38342339.5938