81124612 (number)

81124612 is an even 8-digits composite number following 81124611 and preceding 81124613. In scientific notation, it is written as 8.1124612 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 18 positive divisors. There are 38175744 positive integers (up to 81124612) that are relatively prime to 81124612.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand six hundred twelve

Notation

Scientific notation 8.1124612 × 10^7
Engineering notation 8.1124612 × 10^6

Prime Factorization of 81124612

Prime Factorization 2 × 2 × 17 × 17 × 70177

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2386018
Product of the distinct prime numbers

The prime factorization of 81124612 is 2 × 2 × 17 × 17 × 70177. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 8, 17, 366, 884, 8360, 24, 59376, 17476, 518285, 302154, 9533426, 4058881, 58639944, 6831767, 965568016, 284624991, 8765789367, 6983197703

Basic calculations (n = 81124612)

Multiplication

n×y
n×2 162249224
n×3 243373836
n×4 324498448
n×5 405623060

Division

n÷y
n÷2 40562306
n÷3 27041537.333333
n÷3 20281153
n÷5 16224922.4

Exponentiation

ny
n2 6581202672150544
n3 5.3389751327158E+23
n4 4.3312228611921E+31
n5 3.5136877409974E+39

Nth Root

y√n
2√n 9006.9202283577
3√n 432.89663593139
4√n 94.904795602529
5√n 38.179525492336

Divisors of 81124612

1, 2, 4, 17, 34, 68, 289, 578, 1156, 70177, 140354, 280708, 1193009, 2386018, 4772036, 20281153, 40562306, 81124612

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81124611
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81124612 can be divided by 18 positive divisors. The sum of these divisors (counting 81124612) is 1, the average is 0.055555555555556.

Base conversion 81124612

Base System Value
2 Binary 100110101011101110100000100
3 Ternary 12122122120001021
4 Quaternary 10311131310010
5 Quinary 131231441422
6 Senary 12014440524
8 Octal 465356404
10 Decimal 81124612
12 Duodecimal 23203144
16 Hexadecimal 4d5dd04
20 Vigesimal 1570bac
36 Base36 1cas5g

Cryptographic Hash Functions

md5 f5c1de60416c35811599364f1f50a497
sha1 8e565e7c91898738b82b8a444f64897424e1caf9
sha256 4edf8a01ead9cb63f666dc32c0ed7480cb6f8049e624176a58debeab3f00f09c
sha512 956b7319c27c9ef4c0a7fe9745befac7e8cb07383fc92c43705adcfe818e36ebe7fc023a0f09b62a83d8500d931ba9734dc226b9add834ad89abc3cca30e1c4e
ripemd-160 4715ef00b261ac5340f30b61870e566ba05e2dd8

81124612 as geometric shapes

Circle

Radius = n
Diameter 162249224
Circumference 509720970.16904
Area 2.0675457966614E+16

Sphere

Radius = n
Volume 2.2363846739518E+24
Surface area 8.2701831866455E+16
Circumference 509720970.16904

Square

Length = n
Perimeter 324498448
Area 6581202672150544
Diagonal 114727526.53266

Cube

Length = n
Surface area 39487216032903264
Volume 5.3389751327158E+23
Space diagonal 140511949.72831

Equilateral Triangle

Length = n
Perimeter 243373836
Area 2.8497443507682E+15
Altitude 70255974.864156

Triangular Pyramid

Length = n
Surface area 2.8497443507682E+15
Volume 6.2920425348828E+22
Height 38242508.844218