81749093 (number)

81749093 is an odd 8-digits prime number following 81749092 and preceding 81749094. In scientific notation, it is written as 8.1749093 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 81749092 positive integers (up to 81749093) that are relatively prime to 81749093.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-nine thousand ninety-three

Notation

Scientific notation 8.1749093 × 10^7
Engineering notation 8.1749093 × 10^6

Prime Factorization of 81749093

Prime Factorization 81749093

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81749093
Product of the distinct prime numbers

The prime factorization of 81749093 is 81749093. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 1, 59, 20, 53, 151, 4137, 5101, 57945, 78542, 602775, 240434, 2054851, 4044461, 79623609, 42617235, 733650444, 75173846, 8446580869, 910127666

Basic calculations (n = 81749093)

Multiplication

n×y
n×2 163498186
n×3 245247279
n×4 326996372
n×5 408745465

Division

n÷y
n÷2 40874546.5
n÷3 27249697.666667
n÷3 20437273.25
n÷5 16349818.6

Exponentiation

ny
n2 6682914206322649
n3 5.4632217496369E+23
n4 4.4661342289069E+31
n5 3.6510242242939E+39

Nth Root

y√n
2√n 9041.5205026588
3√n 434.00458170108
4√n 95.086910259293
5√n 38.238125000821

Divisors of 81749093

1, 81749093

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81749094
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40874547
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9041.5205579593
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999755349
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749093 can be divided by 2 positive divisors. The sum of these divisors (counting 81749093) is 81749094, the average is 40874547.

Base conversion 81749093

Base System Value
2 Binary 100110111110110010001100101
3 Ternary 12200211021200012
4 Quaternary 10313312101211
5 Quinary 131411432333
6 Senary 12040100005
8 Octal 467662145
10 Decimal 81749093
12 Duodecimal 23464605
16 Hexadecimal 4df6465
20 Vigesimal 15aiced
36 Base36 1co605

Cryptographic Hash Functions

md5 1c6a8c7b1c33b248e27afcea7858e014
sha1 3a0fd05997f68c81e1e00a80a41204b91da5244d
sha256 c12edec8d62737e407605bb8afa1acf616f9f8e6ea3aaa52e078a5dd8a865253
sha512 3e2475291647a972b00731c79ef3add7982ecf7efdd05cbc5f3f44f300325598d1462a8cd5a1da5ee557a667af651ce165f75a20ea4965902773b9fb9863355e
ripemd-160 6753f529c12aaae5b82829e0a937ef98e9889be7

81749093 as geometric shapes

Circle

Radius = n
Diameter 163498186
Circumference 513644700.01286
Area 2.0994994175154E+16

Sphere

Radius = n
Volume 2.2884289751455E+24
Surface area 8.3979976700616E+16
Circumference 513644700.01286

Square

Length = n
Perimeter 326996372
Area 6682914206322649
Diagonal 115610676.0323

Cube

Length = n
Surface area 40097485237935894
Volume 5.4632217496369E+23
Space diagonal 141593582.54867

Equilateral Triangle

Length = n
Perimeter 245247279
Area 2.8937867369937E+15
Altitude 70796791.274337

Triangular Pyramid

Length = n
Surface area 2.8937867369937E+15
Volume 6.4384685771568E+22
Height 38536892.010766