81446169 (number)

81446169 is an odd 8-digits composite number following 81446168 and preceding 81446170. In scientific notation, it is written as 8.1446169 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 46540656 positive integers (up to 81446169) that are relatively prime to 81446169.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-six thousand one hundred sixty-nine

Notation

Scientific notation 8.1446169 × 10^7
Engineering notation 8.1446169 × 10^6

Prime Factorization of 81446169

Prime Factorization 3 × 7 × 3878389

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81446169
Product of the distinct prime numbers

The prime factorization of 81446169 is 3 × 7 × 3878389. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81446169)

Multiplication

n×y
n×2 162892338
n×3 244338507
n×4 325784676
n×5 407230845

Division

n÷y
n÷2 40723084.5
n÷3 27148723
n÷3 20361542.25
n÷5 16289233.8

Exponentiation

ny
n2 6633478444776561
n3 5.4027140647113E+23
n4 4.4003036277315E+31
n5 3.5838787291553E+39

Nth Root

y√n
2√n 9024.7531268174
3√n 433.46784535523
4√n 94.998700658574
5√n 38.209744373061

Divisors of 81446169

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81446168
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81446169 can be divided by 8 positive divisors. The sum of these divisors (counting 81446169) is 1, the average is 0.125.

Base conversion 81446169

Base System Value
2 Binary 100110110101100010100011001
3 Ternary 12200020220010210
4 Quaternary 10312230110121
5 Quinary 131322234134
6 Senary 12025401333
8 Octal 466542431
10 Decimal 81446169
12 Duodecimal 23339249
16 Hexadecimal 4dac519
20 Vigesimal 1590f89
36 Base36 1cho9l

Cryptographic Hash Functions

md5 61fe6cbd2807346c94dc4b8182b81685
sha1 668f6acd272cf53bf55706f2da5fcb862957a57a
sha256 11908694fcf06da74d42058a19a374ced6f70c46670a3a3be4e138f200db9dbc
sha512 3b37530692d9b40a901afac1f1ed99a08617472c6923493da1c4a13395ddc9f1b5d8ea4c8984c028c409a7afc2b06f8ff2813f2fa814c496e10707897debe590
ripemd-160 e32515cb5b5f050d52a7be2b26ef00369de10a1e

81446169 as geometric shapes

Circle

Radius = n
Diameter 162892338
Circumference 511741372.38687
Area 2.0839687149856E+16

Sphere

Radius = n
Volume 2.2630835753524E+24
Surface area 8.3358748599425E+16
Circumference 511741372.38687

Square

Length = n
Perimeter 325784676
Area 6633478444776561
Diagonal 115182276.80313

Cube

Length = n
Surface area 39800870668659366
Volume 5.4027140647113E+23
Space diagonal 141068902.78984

Equilateral Triangle

Length = n
Perimeter 244338507
Area 2.8723804243165E+15
Altitude 70534451.394921

Triangular Pyramid

Length = n
Surface area 2.8723804243165E+15
Volume 6.3671595866155E+22
Height 38394092.26771