81489467 (number)

81489467 is an odd 8-digits composite number following 81489466 and preceding 81489468. In scientific notation, it is written as 8.1489467 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 80654080 positive integers (up to 81489467) that are relatively prime to 81489467.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand four hundred sixty-seven

Notation

Scientific notation 8.1489467 × 10^7
Engineering notation 8.1489467 × 10^6

Prime Factorization of 81489467

Prime Factorization 593 × 131 × 1049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81489467
Product of the distinct prime numbers

The prime factorization of 81489467 is 593 × 131 × 1049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489467)

Multiplication

n×y
n×2 162978934
n×3 244468401
n×4 325957868
n×5 407447335

Division

n÷y
n÷2 40744733.5
n÷3 27163155.666667
n÷3 20372366.75
n÷5 16297893.4

Exponentiation

ny
n2 6640533231944089
n3 5.4113351366691E+23
n4 4.4096681604554E+31
n5 3.5934150804238E+39

Nth Root

y√n
2√n 9027.1516548688
3√n 433.54464440809
4√n 95.01132382442
5√n 38.213806083616

Divisors of 81489467

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 -81489466
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 81489467 can be divided by 8 positive divisors. The sum of these divisors (counting 81489467) is 1, the average is 0.125.

Base conversion 81489467

Base System Value
2 Binary 100110110110110111000111011
3 Ternary 12200100002112102
4 Quaternary 10312312320323
5 Quinary 131330130332
6 Senary 12030334015
8 Octal 466667073
10 Decimal 81489467
12 Duodecimal 2335a30b
16 Hexadecimal 4db6e3b
20 Vigesimal 15963d7
36 Base36 1cilob

Cryptographic Hash Functions

md5 364aa54d4ef9cf321067d176be7db127
sha1 7a3979f8f79e4a904075ec23ca4da403a4f6dc20
sha256 2d12749ad6f8afbc24c3f4315d237df5fa37c24ac05b9626d7ab0ec5c798eea8
sha512 67a64586e9e44a8239a425fc60cfa7f97767b648af2a7a6bce21ed5231f8a7f675ecf390e566273cb7485a71c0fb7fbb0731df0d2f14e45de8d9e4a6caed8517
ripemd-160 7e03aa03179be9020d295daabb7f72c857375c82

81489467 as geometric shapes

Circle

Radius = n
Diameter 162978934
Circumference 512013421.7443
Area 2.0861850417394E+16

Sphere

Radius = n
Volume 2.2666947615296E+24
Surface area 8.3447401669578E+16
Circumference 512013421.7443

Square

Length = n
Perimeter 325957868
Area 6640533231944089
Diagonal 115243509.42195

Cube

Length = n
Surface area 39843199391664534
Volume 5.4113351366691E+23
Space diagonal 141143897.12571

Equilateral Triangle

Length = n
Perimeter 244468401
Area 2.8754352367692E+15
Altitude 70571948.562854

Triangular Pyramid

Length = n
Surface area 2.8754352367692E+15
Volume 6.3773196173529E+22
Height 38414503.140652