81109452 (number)

81109452 is an even 8-digits composite number following 81109451 and preceding 81109453. In scientific notation, it is written as 8.1109452 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 26869968 positive integers (up to 81109452) that are relatively prime to 81109452.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred nine thousand four hundred fifty-two

Notation

Scientific notation 8.1109452 × 10^7
Engineering notation 8.1109452 × 10^6

Prime Factorization of 81109452

Prime Factorization 2 × 2 × 3 × 163 × 41467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40554726
Product of the distinct prime numbers

The prime factorization of 81109452 is 2 × 2 × 3 × 163 × 41467. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 78, 20, 69, 915, 4754, 8719, 33460, 84408, 443941, 973451, 609291, 7893921, 12738032, 6418155, 730545494, 475531843, 9284764790, 48251489

Basic calculations (n = 81109452)

Multiplication

n×y
n×2 162218904
n×3 243328356
n×4 324437808
n×5 405547260

Division

n÷y
n÷2 40554726
n÷3 27036484
n÷3 20277363
n÷5 16221890.4

Exponentiation

ny
n2 6578743203740304
n3 5.335982561041E+23
n4 4.3279862140759E+31
n5 3.5104059008725E+39

Nth Root

y√n
2√n 9006.078613914
3√n 432.86966868647
4√n 94.900361505708
5√n 38.178098441132

Divisors of 81109452

1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 41467, 82934, 124401, 165868, 248802, 497604, 6759121, 13518242, 20277363, 27036484, 40554726, 81109452

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 -81109451
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 81109452 can be divided by 24 positive divisors. The sum of these divisors (counting 81109452) is 1, the average is 0.041666666666667.

Base conversion 81109452

Base System Value
2 Binary 100110101011010000111001100
3 Ternary 12122121210020210
4 Quaternary 10311122013030
5 Quinary 131231000302
6 Senary 12014242420
8 Octal 465320714
10 Decimal 81109452
12 Duodecimal 231b6410
16 Hexadecimal 4d5a1cc
20 Vigesimal 156idcc
36 Base36 1caggc

Cryptographic Hash Functions

md5 d64efb20ffacf0eed6ddea23e3a76d78
sha1 86df24cb38b847853c77ac7fb2cc7df970ef69c4
sha256 ee3735a1a8d79de072bbaa1a7fc333806c9d310d74391242ffe87ba4ca3ba425
sha512 df4be004a04ce3c6932ea15f3ffa4009ba9a7de85683d2b68fea3575eb499f01943da551ef9715151ab8d129fafb09d372b0452d313f082d798bce74080674e6
ripemd-160 fd8a8001cfbdfa7440a1a092001b6ed75506d42a

81109452 as geometric shapes

Circle

Radius = n
Diameter 162218904
Circumference 509625717.07979
Area 2.0667731318724E+16

Sphere

Radius = n
Volume 2.23513114846E+24
Surface area 8.2670925274897E+16
Circumference 509625717.07979

Square

Length = n
Perimeter 324437808
Area 6578743203740304
Diagonal 114706087.05505

Cube

Length = n
Surface area 39472459222441824
Volume 5.335982561041E+23
Space diagonal 140485691.83807

Equilateral Triangle

Length = n
Perimeter 243328356
Area 2.8486793697067E+15
Altitude 70242845.919035

Triangular Pyramid

Length = n
Surface area 2.8486793697067E+15
Volume 6.2885157553421E+22
Height 38235362.351683