81237101 (number)

81237101 is an odd 8-digits composite number following 81237100 and preceding 81237102. In scientific notation, it is written as 8.1237101 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 68428800 positive integers (up to 81237101) that are relatively prime to 81237101.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-seven thousand one hundred one

Notation

Scientific notation 8.1237101 × 10^7
Engineering notation 8.1237101 × 10^6

Prime Factorization of 81237101

Prime Factorization 187 × 11 × 73 × 541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81237101
Product of the distinct prime numbers

The prime factorization of 81237101 is 187 × 11 × 73 × 541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81237101)

Multiplication

n×y
n×2 162474202
n×3 243711303
n×4 324948404
n×5 406185505

Division

n÷y
n÷2 40618550.5
n÷3 27079033.666667
n÷3 20309275.25
n÷5 16247420.2

Exponentiation

ny
n2 6599466578884201
n3 5.3612153301494E+23
n4 4.355295912581E+31
n5 3.5381161393523E+39

Nth Root

y√n
2√n 9013.1626524767
3√n 433.09663121493
4√n 94.93767772848
5√n 38.190107722385

Divisors of 81237101

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 -81237100
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 81237101 can be divided by 16 positive divisors. The sum of these divisors (counting 81237101) is 1, the average is 0.0625.

Base conversion 81237101

Base System Value
2 Binary 100110101111001010001101101
3 Ternary 12122212021100112
4 Quaternary 10311321101231
5 Quinary 131244041401
6 Senary 12021105405
8 Octal 465712155
10 Decimal 81237101
12 Duodecimal 23258265
16 Hexadecimal 4d7946d
20 Vigesimal 157ecf1
36 Base36 1cd6y5

Cryptographic Hash Functions

md5 277f3b5af439e0cf163dc6b3af4c906c
sha1 68dea066404d557fe8d3a8e25c25f10e669af239
sha256 36bf164032e778d1ed86a5c933f8466c6333b92105d7d58b49a9e9aa4987ff62
sha512 e4352d79f42140b59214b638e770c1e20918f11d32e639dae1dd70503054956f4eea60e863ed1c12dd25b5cb43a0172ac537f34415b6aa4aa391932a9f53f594
ripemd-160 ed531a42e84e20d911baee26c33e9448303c409c

81237101 as geometric shapes

Circle

Radius = n
Diameter 162474202
Circumference 510427759.40106
Area 2.0732835721834E+16

Sphere

Radius = n
Volume 2.245700626068E+24
Surface area 8.2931342887336E+16
Circumference 510427759.40106

Square

Length = n
Perimeter 324948404
Area 6599466578884201
Diagonal 114886610.00207

Cube

Length = n
Surface area 39596799473305206
Volume 5.3612153301494E+23
Space diagonal 140706786.3916

Equilateral Triangle

Length = n
Perimeter 243711303
Area 2.85765285437E+15
Altitude 70353393.195802

Triangular Pyramid

Length = n
Surface area 2.85765285437E+15
Volume 6.3182528589165E+22
Height 38295536.667358