81013005 (number)

81013005 is an odd 8-digits composite number following 81013004 and preceding 81013006. In scientific notation, it is written as 8.1013005 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 43130976 positive integers (up to 81013005) that are relatively prime to 81013005.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand five

Notation

Scientific notation 8.1013005 × 10^7
Engineering notation 8.1013005 × 10^6

Prime Factorization of 81013005

Prime Factorization 3 × 5 × 3 × 743 × 2423

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27004335
Product of the distinct prime numbers

The prime factorization of 81013005 is 3 × 5 × 3 × 743 × 2423. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 72, 30, 43, 855, 5558, 7510, 17147, 79521, 430388, 574721, 674175, 7159081, 63699626, 27870498, 749786766, 563577255, 523816849, 2091192338

Basic calculations (n = 81013005)

Multiplication

n×y
n×2 162026010
n×3 243039015
n×4 324052020
n×5 405065025

Division

n÷y
n÷2 40506502.5
n÷3 27004335
n÷3 20253251.25
n÷5 16202601

Exponentiation

ny
n2 6563106979130025
n3 5.316970185158E+23
n4 4.3074373219505E+31
n5 3.4895844130036E+39

Nth Root

y√n
2√n 9000.722471002
3√n 432.69802597115
4√n 94.872137485154
5√n 38.169014627594

Divisors of 81013005

1, 3, 5, 9, 15, 45, 743, 2229, 2423, 3715, 6687, 7269, 11145, 12115, 21807, 33435, 36345, 109035, 1800289, 5400867, 9001445, 16202601, 27004335, 81013005

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81013004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81013005 can be divided by 24 positive divisors. The sum of these divisors (counting 81013005) is 1, the average is 0.041666666666667.

Base conversion 81013005

Base System Value
2 Binary 100110101000010100100001101
3 Ternary 12122102212221200
4 Quaternary 10311002210031
5 Quinary 131214404010
6 Senary 12012220113
8 Octal 465024415
10 Decimal 81013005
12 Duodecimal 2316a639
16 Hexadecimal 4d4290d
20 Vigesimal 1566ca5
36 Base36 1c8e19

Cryptographic Hash Functions

md5 4c37f756bc803381fe3d37429b6369f8
sha1 d8e5abd38877d03ed699526484f4b9e533703306
sha256 b20dc99caff8d746ae23cf74aec545a138792a3aecfec0b27d66952d08e9727d
sha512 170b06639deb351a90c744143114d90001539d59a80b1254938614e6afa6969866c924c21b63e4360259e4d716ea91ffccbe8e4506ae9816416f41ebe269d712
ripemd-160 dea25155afc45d2a024b177ed76531dffb08ffdd

81013005 as geometric shapes

Circle

Radius = n
Diameter 162026010
Circumference 509019722.70647
Area 2.0618608670359E+16

Sphere

Radius = n
Volume 2.2271672630731E+24
Surface area 8.2474434681435E+16
Circumference 509019722.70647

Square

Length = n
Perimeter 324052020
Area 6563106979130025
Diagonal 114569690.3996

Cube

Length = n
Surface area 39378641874780150
Volume 5.316970185158E+23
Space diagonal 140318640.73383

Equilateral Triangle

Length = n
Perimeter 243039015
Area 2.8419086858408E+15
Altitude 70159320.366916

Triangular Pyramid

Length = n
Surface area 2.8419086858408E+15
Volume 6.2661094554865E+22
Height 38189896.799866