81750480 (number)

81750480 is an even 8-digits composite number following 81750479 and preceding 81750481. In scientific notation, it is written as 8.1750480 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 18685440 positive integers (up to 81750480) that are relatively prime to 81750480.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty thousand four hundred eighty

Notation

Scientific notation 8.1750480 × 10^7
Engineering notation 8.1750480 × 10^6

Prime Factorization of 81750480

Prime Factorization 2 × 2 × 2 × 2 × 15 × 7 × 48661

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10218810
Product of the distinct prime numbers

The prime factorization of 81750480 is 2 × 2 × 2 × 2 × 15 × 7 × 48661. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 9, 34, 99, 42, 321, 8830, 1213, 31958, 38488, 146957, 587071, 3869483, 258190, 51252982, 54180382, 707878310, 281916465, 8702061058, 3358306290

Basic calculations (n = 81750480)

Multiplication

n×y
n×2 163500960
n×3 245251440
n×4 327001920
n×5 408752400

Division

n÷y
n÷2 40875240
n÷3 27250160
n÷3 20437620
n÷5 16350096

Exponentiation

ny
n2 6683140980230400
n3 5.4634998304151E+23
n4 4.4664373361635E+31
n5 3.6513339612129E+39

Nth Root

y√n
2√n 9041.5972040343
3√n 434.00703620722
4√n 95.08731358091
5√n 38.238254753746

Divisors of 81750480

1, 2, 4, 7, 8, 14, 15, 16, 28, 30, 56, 60, 105, 112, 120, 210, 240, 420, 840, 1680, 48661, 97322, 194644, 340627, 389288, 681254, 729915, 778576, 1362508, 1459830, 2725016, 2919660, 5109405, 5450032, 5839320, 10218810, 11678640, 20437620, 40875240, 81750480

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81750479
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81750480 can be divided by 40 positive divisors. The sum of these divisors (counting 81750480) is 1, the average is 0.025.

Base conversion 81750480

Base System Value
2 Binary 100110111110110100111010000
3 Ternary 12200211100120120
4 Quaternary 10313312213100
5 Quinary 131412003410
6 Senary 12040110240
8 Octal 467664720
10 Decimal 81750480
12 Duodecimal 23465380
16 Hexadecimal 4df69d0
20 Vigesimal 15aig40
36 Base36 1co72o

Cryptographic Hash Functions

md5 c4f343fafeee36c97d3722ab988f242e
sha1 2e23125a77d41a250f12fdc131e5ffe5c6f066d8
sha256 376f133a6ec877eb21c5f8e3ac3d4eed0b0ce74afff091f192bff094ad856610
sha512 9380f7cdb0f41dbc678ea794853379f551f60cc879d3056e1cd3a68b4170f3975659f7ac648aa3d443687eef4ca5f9538350918971d1d555b611722175ea3358
ripemd-160 8d0363c169bff4f260bd4502e18ca14f333ef8c8

81750480 as geometric shapes

Circle

Radius = n
Diameter 163500960
Circumference 513653414.79088
Area 2.0995706606397E+16

Sphere

Radius = n
Volume 2.2885454573495E+24
Surface area 8.3982826425587E+16
Circumference 513653414.79088

Square

Length = n
Perimeter 327001920
Area 6683140980230400
Diagonal 115612637.54651

Cube

Length = n
Surface area 40098845881382400
Volume 5.4634998304151E+23
Space diagonal 141595984.90314

Equilateral Triangle

Length = n
Perimeter 245251440
Area 2.8938849329762E+15
Altitude 70797992.451572

Triangular Pyramid

Length = n
Surface area 2.8938849329762E+15
Volume 6.4387962984967E+22
Height 38537545.848837