81475480 (number)

81475480 is an even 8-digits composite number following 81475479 and preceding 81475481. In scientific notation, it is written as 8.1475480 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 31708800 positive integers (up to 81475480) that are relatively prime to 81475480.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1475480 × 10^7
Engineering notation 8.1475480 × 10^6

Prime Factorization of 81475480

Prime Factorization 2 × 2 × 2 × 5 × 37 × 55051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20368870
Product of the distinct prime numbers

The prime factorization of 81475480 is 2 × 2 × 2 × 5 × 37 × 55051. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 8, 47, 69, 390, 824, 525, 41, 60576, 11377, 609883, 858976, 3612251, 3435656, 86818580, 15622743, 25389135, 523537350, 6482153860, 4484442596

Basic calculations (n = 81475480)

Multiplication

n×y
n×2 162950960
n×3 244426440
n×4 325901920
n×5 407377400

Division

n÷y
n÷2 40737740
n÷3 27158493.333333
n÷3 20368870
n÷5 16295096

Exponentiation

ny
n2 6638253841230400
n3 5.4085491807609E+23
n4 4.406641406061E+31
n5 3.590332237467E+39

Nth Root

y√n
2√n 9026.3769032763
3√n 433.51983819226
4√n 95.007246582965
5√n 38.212494176137

Divisors of 81475480

1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 55051, 110102, 220204, 275255, 440408, 550510, 1101020, 2036887, 2202040, 4073774, 8147548, 10184435, 16295096, 20368870, 40737740, 81475480

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 -81475479
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 81475480 can be divided by 32 positive divisors. The sum of these divisors (counting 81475480) is 1, the average is 0.03125.

Base conversion 81475480

Base System Value
2 Binary 100110110110011011110011000
3 Ternary 12200022101100101
4 Quaternary 10312303132120
5 Quinary 131324203410
6 Senary 12030145144
8 Octal 466633630
10 Decimal 81475480
12 Duodecimal 233521b4
16 Hexadecimal 4db3798
20 Vigesimal 15948e0
36 Base36 1ciavs

Cryptographic Hash Functions

md5 801079507cb66cd9f330fdf93f532de1
sha1 53b23c2ccdefd05d8a6047085d33d5945344bf0e
sha256 90b1dfe690c7e310a2054d23f6099a6cde1071c0a7778be23feeccfc6cc1f153
sha512 d067547e60cacfc6b6fb64965f19322a9c7728089dfd53c0c588a7f17ebe8936d687fdca38c08f5a8e0e31e6a363e01292fd7ad416e691b88ae793db79514c10
ripemd-160 32cc836b556824aa1c6d743d4ccec1ab2e2017d9

81475480 as geometric shapes

Circle

Radius = n
Diameter 162950960
Circumference 511925538.8314
Area 2.0854689500274E+16

Sphere

Radius = n
Volume 2.2655277830477E+24
Surface area 8.3418758001095E+16
Circumference 511925538.8314

Square

Length = n
Perimeter 325901920
Area 6638253841230400
Diagonal 115223728.81686

Cube

Length = n
Surface area 39829523047382400
Volume 5.4085491807609E+23
Space diagonal 141119670.93106

Equilateral Triangle

Length = n
Perimeter 244426440
Area 2.8744482316376E+15
Altitude 70559835.465531

Triangular Pyramid

Length = n
Surface area 2.8744482316376E+15
Volume 6.3740363368283E+22
Height 38407909.605619