81481570 (number)

81481570 is an even 8-digits composite number following 81481569 and preceding 81481571. In scientific notation, it is written as 8.1481570 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 32054400 positive integers (up to 81481570) that are relatively prime to 81481570.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-one thousand five hundred seventy

Notation

Scientific notation 8.1481570 × 10^7
Engineering notation 8.1481570 × 10^6

Prime Factorization of 81481570

Prime Factorization 2 × 5 × 271 × 107 × 281

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81481570
Product of the distinct prime numbers

The prime factorization of 81481570 is 2 × 5 × 271 × 107 × 281. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 13, 76, 235, 173, 9730, 3063, 59221, 17200, 137786, 696859, 8712404, 2964981, 992173, 66315698, 112341651, 204964859, 9334466328, 3253825679

Basic calculations (n = 81481570)

Multiplication

n×y
n×2 162963140
n×3 244444710
n×4 325926280
n×5 407407850

Division

n÷y
n÷2 40740785
n÷3 27160523.333333
n÷3 20370392.5
n÷5 16296314

Exponentiation

ny
n2 6639246249664900
n3 5.4097620803931E+23
n4 4.4079590763689E+31
n5 3.5916742603829E+39

Nth Root

y√n
2√n 9026.7142416275
3√n 433.53063927432
4√n 95.009021895962
5√n 38.213065408444

Divisors of 81481570

1, 2, 5, 10, 107, 214, 271, 281, 535, 542, 562, 1070, 1355, 1405, 2710, 2810, 28997, 30067, 57994, 60134, 76151, 144985, 150335, 152302, 289970, 300670, 380755, 761510, 8148157, 16296314, 40740785, 81481570

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81481569
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81481570 can be divided by 32 positive divisors. The sum of these divisors (counting 81481570) is 1, the average is 0.03125.

Base conversion 81481570

Base System Value
2 Binary 100110110110100111101100010
3 Ternary 12200022200200221
4 Quaternary 10312310331202
5 Quinary 131324402240
6 Senary 12030233254
8 Octal 466647542
10 Decimal 81481570
12 Duodecimal 2335582a
16 Hexadecimal 4db4f62
20 Vigesimal 15953ia
36 Base36 1cifky

Cryptographic Hash Functions

md5 76ff159013cc690ffc8ef954af8b90ed
sha1 6332752aff6494531a4c9fe0e7f33d1222474c77
sha256 361b885060bd2ecc196c662f423dbcd417809dadc72b9647cf4507aaae986a8b
sha512 02a1a3056afb9e6e6cfeb9ece8ea143f731047de1750948598b51503ab9fa288d9ad3e41c5031df02c2821275220b10e2bbb28d9dd361a5b094ebb9f87504499
ripemd-160 5e186ba770a04ed254bb91c9fe903e9abaaa7922

81481570 as geometric shapes

Circle

Radius = n
Diameter 162963140
Circumference 511963803.42992
Area 2.0857807243321E+16

Sphere

Radius = n
Volume 2.2660358412575E+24
Surface area 8.3431228973283E+16
Circumference 511963803.42992

Square

Length = n
Perimeter 325926280
Area 6639246249664900
Diagonal 115232341.37745

Cube

Length = n
Surface area 39835477497989400
Volume 5.4097620803931E+23
Space diagonal 141130219.12048

Equilateral Triangle

Length = n
Perimeter 244444710
Area 2.8748779570952E+15
Altitude 70565109.56024

Triangular Pyramid

Length = n
Surface area 2.8748779570952E+15
Volume 6.375465752753E+22
Height 38410780.459151