81121435 (number)

81121435 is an odd 8-digits composite number following 81121434 and preceding 81121436. In scientific notation, it is written as 8.1121435 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 63151200 positive integers (up to 81121435) that are relatively prime to 81121435.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-one thousand four hundred thirty-five

Notation

Scientific notation 8.1121435 × 10^7
Engineering notation 8.1121435 × 10^6

Prime Factorization of 81121435

Prime Factorization 5 × 43 × 359 × 1051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81121435
Product of the distinct prime numbers

The prime factorization of 81121435 is 5 × 43 × 359 × 1051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 25, 14, 765, 980, 490, 742, 65151, 26365, 19636, 344566, 7392129, 27954, 55576226, 19667800, 889464028, 48820941, 9565168743, 6781827513

Basic calculations (n = 81121435)

Multiplication

n×y
n×2 162242870
n×3 243364305
n×4 324485740
n×5 405607175

Division

n÷y
n÷2 40560717.5
n÷3 27040478.333333
n÷3 20280358.75
n÷5 16224287

Exponentiation

ny
n2 6580687216459225
n3 5.3383479028533E+23
n4 4.330544424087E+31
n5 3.5129997801318E+39

Nth Root

y√n
2√n 9006.7438622401
3√n 432.89098482859
4√n 94.903866424083
5√n 38.17922645053

Divisors of 81121435

1, 5, 43, 215, 359, 1051, 1795, 5255, 15437, 45193, 77185, 225965, 377309, 1886545, 16224287, 81121435

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81121434
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81121435 can be divided by 16 positive divisors. The sum of these divisors (counting 81121435) is 1, the average is 0.0625.

Base conversion 81121435

Base System Value
2 Binary 100110101011101000010011011
3 Ternary 12122122101200121
4 Quaternary 10311131002123
5 Quinary 131231341220
6 Senary 12014414111
8 Octal 465350233
10 Decimal 81121435
12 Duodecimal 23201337
16 Hexadecimal 4d5d09b
20 Vigesimal 15703bf
36 Base36 1capp7

Cryptographic Hash Functions

md5 827b13c4172adddb9e80aac2ad5e72b5
sha1 41300c299337fe42d6bcb55611a26b6bb735d021
sha256 ddd68a215fc99fe842bec6cfdbffcbcb5ff9f981aff72ec5805ce5b26931ecba
sha512 3b4b893e026e0e0462045788aee967b0fe85bdb9dbdbb9c90259cd6e7da8f46f6e88412ecf8746f79c092967220ff6ae465499ff490cbb17a93ed7564ad37256
ripemd-160 ead850c92ff814ae838ec45742bc4e289b400672

81121435 as geometric shapes

Circle

Radius = n
Diameter 162242870
Circumference 509701008.48932
Area 2.0673838614801E+16

Sphere

Radius = n
Volume 2.2361219405214E+24
Surface area 8.2695354459202E+16
Circumference 509701008.48932

Square

Length = n
Perimeter 324485740
Area 6580687216459225
Diagonal 114723033.57617

Cube

Length = n
Surface area 39484123298755350
Volume 5.3383479028533E+23
Space diagonal 140506447.0029

Equilateral Triangle

Length = n
Perimeter 243364305
Area 2.8495211519066E+15
Altitude 70253223.501448

Triangular Pyramid

Length = n
Surface area 2.8495211519066E+15
Volume 6.2913033374009E+22
Height 38241011.192056