81361036 (number)

81361036 is an even 8-digits composite number following 81361035 and preceding 81361037. In scientific notation, it is written as 8.1361036 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 40638560 positive integers (up to 81361036) that are relatively prime to 81361036.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1361036 × 10^7
Engineering notation 8.1361036 × 10^6

Prime Factorization of 81361036

Prime Factorization 2 × 2 × 1019 × 19961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40680518
Product of the distinct prime numbers

The prime factorization of 81361036 is 2 × 2 × 1019 × 19961. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 79, 76, 149, 868, 8421, 1475, 21472, 34343, 100041, 407958, 142695, 6723629, 46103278, 73127072, 604903410, 531405945, 1901236518, 881756854

Basic calculations (n = 81361036)

Multiplication

n×y
n×2 162722072
n×3 244083108
n×4 325444144
n×5 406805180

Division

n÷y
n÷2 40680518
n÷3 27120345.333333
n÷3 20340259
n÷5 16272207.2

Exponentiation

ny
n2 6619618178993296
n3 5.3857899296733E+23
n4 4.3819344835659E+31
n5 3.5651872926704E+39

Nth Root

y√n
2√n 9020.03525492
3√n 433.31676281146
4√n 94.97386616812
5√n 38.201753153523

Divisors of 81361036

1, 2, 4, 1019, 2038, 4076, 19961, 39922, 79844, 20340259, 40680518, 81361036

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81361035
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81361036 can be divided by 12 positive divisors. The sum of these divisors (counting 81361036) is 1, the average is 0.083333333333333.

Base conversion 81361036

Base System Value
2 Binary 100110110010111100010001100
3 Ternary 12200002120100201
4 Quaternary 10312113202030
5 Quinary 131312023121
6 Senary 12023503244
8 Octal 466274214
10 Decimal 81361036
12 Duodecimal 232b7b24
16 Hexadecimal 4d9788c
20 Vigesimal 158a2bg
36 Base36 1cfuks

Cryptographic Hash Functions

md5 d9f67e29bb0570b51d9baaac86c37812
sha1 b01785ab871db4dd8e31c8b111f8cebb03db4423
sha256 68339230acf45559cf8fdb1518c9cb4a69aec88af9fd16dc1ac01de0c24f6443
sha512 790d5d4f165947764fe46cc6e71cd92f66d2351c2031264395d664d0e80555f7909a2e3320b01065524b4d8d78c09fca1bcb15eafe36c828257cf2332196b8ac
ripemd-160 6c3a1d584456c617a144b65c2ee1d21de29ca08d

81361036 as geometric shapes

Circle

Radius = n
Diameter 162722072
Circumference 511206465.97211
Area 2.0796143840695E+16

Sphere

Radius = n
Volume 2.2559944102453E+24
Surface area 8.3184575362779E+16
Circumference 511206465.97211

Square

Length = n
Perimeter 325444144
Area 6619618178993296
Diagonal 115061880.55993

Cube

Length = n
Surface area 39717709073959776
Volume 5.3857899296733E+23
Space diagonal 140921448.10844

Equilateral Triangle

Length = n
Perimeter 244083108
Area 2.8663787531807E+15
Altitude 70460724.05422

Triangular Pyramid

Length = n
Surface area 2.8663787531807E+15
Volume 6.347214302197E+22
Height 38353960.186642