81123023 (number)

81123023 is an odd 8-digits prime number following 81123022 and preceding 81123024. In scientific notation, it is written as 8.1123023 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 81123022 positive integers (up to 81123023) that are relatively prime to 81123023.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-three thousand twenty-three

Notation

Scientific notation 8.1123023 × 10^7
Engineering notation 8.1123023 × 10^6

Prime Factorization of 81123023

Prime Factorization 81123023

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81123023
Product of the distinct prime numbers

The prime factorization of 81123023 is 81123023. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81123023)

Multiplication

n×y
n×2 162246046
n×3 243369069
n×4 324492092
n×5 405615115

Division

n÷y
n÷2 40561511.5
n÷3 27041007.666667
n÷3 20280755.75
n÷5 16224604.6

Exponentiation

ny
n2 6580944860658529
n3 5.3386614129293E+23
n4 4.3308835259028E+31
n5 3.5133436388213E+39

Nth Root

y√n
2√n 9006.8320179739
3√n 432.89380950905
4√n 94.904330870482
5√n 38.179375925541

Divisors of 81123023

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81123024
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40561512
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9006.8320734873
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999753461
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81123023 can be divided by 2 positive divisors. The sum of these divisors (counting 81123023) is 81123024, the average is 40561512.

Base conversion 81123023

Base System Value
2 Binary 100110101011101011011001111
3 Ternary 12122122110212102
4 Quaternary 10311131123033
5 Quinary 131231414043
6 Senary 12014425315
8 Octal 465353317
10 Decimal 81123023
12 Duodecimal 2320223b
16 Hexadecimal 4d5d6cf
20 Vigesimal 15707b3
36 Base36 1caqxb

Cryptographic Hash Functions

md5 7b54d2ed73b994d6a2c8196a3928b92a
sha1 0111e38fc0fcb327e67df94d431485b874fbed88
sha256 0a5a9f4f7652f8b0723787700896027a9301b1c1c92e9490ac7dc3555f71827b
sha512 cc4af4163611074615f8006025cc36043f33d956e0629be1209aa05c02fa114b626da00ca4fdc6553e77c038dba729c1fc578ed72a68c869afe5365f1077abf5
ripemd-160 fc90972a34e6cd303e5a87bb44c2a91ea162b488

81123023 as geometric shapes

Circle

Radius = n
Diameter 162246046
Circumference 509710986.18759
Area 2.0674648027924E+16

Sphere

Radius = n
Volume 2.2362532633149E+24
Surface area 8.2698592111697E+16
Circumference 509710986.18759

Square

Length = n
Perimeter 324492092
Area 6580944860658529
Diagonal 114725279.3473

Cube

Length = n
Surface area 39485669163951174
Volume 5.3386614129293E+23
Space diagonal 140509197.49958

Equilateral Triangle

Length = n
Perimeter 243369069
Area 2.8496327151175E+15
Altitude 70254598.749789

Triangular Pyramid

Length = n
Surface area 2.8496327151175E+15
Volume 6.2916728125688E+22
Height 38241759.782435