81291234 (number)

81291234 is an even 8-digits composite number following 81291233 and preceding 81291235. In scientific notation, it is written as 8.1291234 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 24349248 positive integers (up to 81291234) that are relatively prime to 81291234.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-one thousand two hundred thirty-four

Notation

Scientific notation 8.1291234 × 10^7
Engineering notation 8.1291234 × 10^6

Prime Factorization of 81291234

Prime Factorization 2 × 3 × 19 × 29 × 67 × 367

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 81291234
Product of the distinct prime numbers

The prime factorization of 81291234 is 2 × 3 × 19 × 29 × 67 × 367. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 8, 34, 95, 353, 425, 2211, 792, 31512, 54430, 495366, 168020, 2479493, 3375173, 83705894, 80908498, 557804086, 331486352, 5514303267, 5897119054

Basic calculations (n = 81291234)

Multiplication

n×y
n×2 162582468
n×3 243873702
n×4 325164936
n×5 406456170

Division

n÷y
n÷2 40645617
n÷3 27097078
n÷3 20322808.5
n÷5 16258246.8

Exponentiation

ny
n2 6608264725242756
n3 5.3719399411365E+23
n4 4.3669162678888E+31
n5 3.5499201219135E+39

Nth Root

y√n
2√n 9016.1651493304
3√n 433.19280900409
4√n 94.953489400498
5√n 38.195196023812

Divisors of 81291234

1, 2, 3, 6, 19, 29, 38, 57, 58, 67, 87, 114, 134, 174, 201, 367, 402, 551, 734, 1101, 1102, 1273, 1653, 1943, 2202, 2546, 3306, 3819, 3886, 5829, 6973, 7638, 10643, 11658, 13946, 20919, 21286, 24589, 31929, 36917, 41838, 49178, 63858, 73767, 73834, 110751, 147534, 202217, 221502, 404434, 467191, 606651, 713081, 934382, 1213302, 1401573, 1426162, 2139243, 2803146, 4278486, 13548539, 27097078, 40645617, 81291234

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81291233
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81291234 can be divided by 64 positive divisors. The sum of these divisors (counting 81291234) is 1, the average is 0.015625.

Base conversion 81291234

Base System Value
2 Binary 100110110000110011111100010
3 Ternary 12122222000121110
4 Quaternary 10312012133202
5 Quinary 131302304414
6 Senary 12022204150
8 Octal 466063742
10 Decimal 81291234
12 Duodecimal 23283656
16 Hexadecimal 4d867e2
20 Vigesimal 158181e
36 Base36 1cecpu

Cryptographic Hash Functions

md5 019c46cfaf4d738a9c8b3eb6aa94f099
sha1 aec1d9422ec5cb3522ac55fa3092afbdd4c004e1
sha256 d56bef42507fe60cfa88cef8cd85abc64ab4ac1c22cd46c228aef0d349663971
sha512 9a1f4b5cc96c78d995d3bfc7fe693407b4f25e736bcfc2c931f8729d290d492727ecef84b0ce9c8bbfd4fa56fd7fd6d7a8d3741ec5b304fb2f53a1acf1e521a4
ripemd-160 dea6910fed6c851882a8305cdf0f0e1fcb99c933

81291234 as geometric shapes

Circle

Radius = n
Diameter 162582468
Circumference 510767887.0713
Area 2.0760475913799E+16

Sphere

Radius = n
Volume 2.2501929406134E+24
Surface area 8.3041903655197E+16
Circumference 510767887.0713

Square

Length = n
Perimeter 325164936
Area 6608264725242756
Diagonal 114963165.62484

Cube

Length = n
Surface area 39649588351456536
Volume 5.3719399411365E+23
Space diagonal 140800547.49797

Equilateral Triangle

Length = n
Perimeter 243873702
Area 2.8614625634964E+15
Altitude 70400273.748985

Triangular Pyramid

Length = n
Surface area 2.8614625634964E+15
Volume 6.3308919341742E+22
Height 38321055.208282