81121504 (number)

81121504 is an even 8-digits composite number following 81121503 and preceding 81121505. In scientific notation, it is written as 8.1121504 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 24 positive divisors. There are 40239360 positive integers (up to 81121504) that are relatively prime to 81121504.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1121504 × 10^7
Engineering notation 8.1121504 × 10^6

Prime Factorization of 81121504

Prime Factorization 2 × 2 × 2 × 2 × 2 × 127 × 19961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5070094
Product of the distinct prime numbers

The prime factorization of 81121504 is 2 × 2 × 2 × 2 × 2 × 127 × 19961. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 10, 40, 80, 746, 107, 9165, 241, 91017, 10450, 483016, 357830, 779378, 1519515, 30149424, 96703634, 320795027, 361617894, 4487407400, 2685982030

Basic calculations (n = 81121504)

Multiplication

n×y
n×2 162243008
n×3 243364512
n×4 324486016
n×5 405607520

Division

n÷y
n÷2 40560752
n÷3 27040501.333333
n÷3 20280376
n÷5 16224300.8

Exponentiation

ny
n2 6580698411222016
n3 5.3383615248874E+23
n4 4.330559157946E+31
n5 3.5130147205355E+39

Nth Root

y√n
2√n 9006.7476927024
3√n 432.89110756421
4√n 94.90388660483
5√n 38.179232945399

Divisors of 81121504

1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 19961, 39922, 79844, 159688, 319376, 638752, 2535047, 5070094, 10140188, 20280376, 40560752, 81121504

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 -81121503
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 81121504 can be divided by 24 positive divisors. The sum of these divisors (counting 81121504) is 1, the average is 0.041666666666667.

Base conversion 81121504

Base System Value
2 Binary 100110101011101000011100000
3 Ternary 12122122101210011
4 Quaternary 10311131003200
5 Quinary 131231342004
6 Senary 12014414304
8 Octal 465350340
10 Decimal 81121504
12 Duodecimal 23201394
16 Hexadecimal 4d5d0e0
20 Vigesimal 15703f4
36 Base36 1capr4

Cryptographic Hash Functions

md5 c5dad57d45b250e034cba60937108b2d
sha1 5577326c09636e07906d750d64f1c4856d5ebd82
sha256 5324d7baf4eaa7154e2ac8c0b11ba21bf6fe1986820ac97c7ec643d34b54d496
sha512 3c407429ba76a5f47f5c8cecdec7446bde50a981173161c82440e457b335f2bd343f74218009af8d5d9042c18c52123202e0d4017fc1eed55c3ecbf1327d924c
ripemd-160 36d6d321e04e95ece8b3ff18ae5a30a1b16f0681

81121504 as geometric shapes

Circle

Radius = n
Diameter 162243008
Circumference 509701442.02911
Area 2.0673873784185E+16

Sphere

Radius = n
Volume 2.2361276465057E+24
Surface area 8.269549513674E+16
Circumference 509701442.02911

Square

Length = n
Perimeter 324486016
Area 6580698411222016
Diagonal 114723131.1569

Cube

Length = n
Surface area 39484190467332096
Volume 5.3383615248874E+23
Space diagonal 140506566.5144

Equilateral Triangle

Length = n
Perimeter 243364512
Area 2.8495259993811E+15
Altitude 70253283.257201

Triangular Pyramid

Length = n
Surface area 2.8495259993811E+15
Volume 6.2913193911221E+22
Height 38241043.718968