81479910 (number)

81479910 is an even 8-digits composite number following 81479909 and preceding 81479911. In scientific notation, it is written as 8.1479910 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 21727968 positive integers (up to 81479910) that are relatively prime to 81479910.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy-nine thousand nine hundred ten

Notation

Scientific notation 8.1479910 × 10^7
Engineering notation 8.1479910 × 10^6

Prime Factorization of 81479910

Prime Factorization 2 × 3 × 5 × 2715997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81479910
Product of the distinct prime numbers

The prime factorization of 81479910 is 2 × 3 × 5 × 2715997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 54, 63, 145, 89, 3595, 7381, 1970, 70840, 676686, 103101, 7348263, 402170, 89546447, 75411798, 113856513, 728428343, 899832277, 6296555587

Basic calculations (n = 81479910)

Multiplication

n×y
n×2 162959820
n×3 244439730
n×4 325919640
n×5 407399550

Division

n÷y
n÷2 40739955
n÷3 27159970
n÷3 20369977.5
n÷5 16295982

Exponentiation

ny
n2 6638975733608100
n3 5.4094314526657E+23
n4 4.4075998791437E+31
n5 3.5913084146864E+39

Nth Root

y√n
2√n 9026.6222918653
3√n 433.52769519037
4√n 95.008537994568
5√n 38.212909706472

Divisors of 81479910

1, 2, 3, 5, 6, 10, 15, 30, 2715997, 5431994, 8147991, 13579985, 16295982, 27159970, 40739955, 81479910

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81479909
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81479910 can be divided by 16 positive divisors. The sum of these divisors (counting 81479910) is 1, the average is 0.0625.

Base conversion 81479910

Base System Value
2 Binary 100110110110100100011100110
3 Ternary 12200022121102110
4 Quaternary 10312310203212
5 Quinary 131324324120
6 Senary 12030221450
8 Octal 466644346
10 Decimal 81479910
12 Duodecimal 23354886
16 Hexadecimal 4db48e6
20 Vigesimal 1594jfa
36 Base36 1cieau

Cryptographic Hash Functions

md5 cd7fa3d63b7218bcd9ed60e01115b3cb
sha1 89d344e340a5f367ca748351a6e3af40f33033dc
sha256 483d5a31cf670fa39b4b4f0593ce88a1f4f093fce2775f869bb62c4d8b6f817c
sha512 87e6ad78bb6feaf2cb37c8c8cc0dc18a30e71d08e18865e5cbe30863640849613a1734607a96f9369ca5be92065b06a9f845a51c8b9aae31c85e6cbc3a23b0e1
ripemd-160 b23533009f99e08f06ec29a59ff10ac423a6e168

81479910 as geometric shapes

Circle

Radius = n
Diameter 162959820
Circumference 511953373.34232
Area 2.0856957392064E+16

Sphere

Radius = n
Volume 2.265897348239E+24
Surface area 8.3427829568256E+16
Circumference 511953373.34232

Square

Length = n
Perimeter 325919640
Area 6638975733608100
Diagonal 115229993.78294

Cube

Length = n
Surface area 39833854401648600
Volume 5.4094314526657E+23
Space diagonal 141127343.91614

Equilateral Triangle

Length = n
Perimeter 244439730
Area 2.8747608202065E+15
Altitude 70563671.95807

Triangular Pyramid

Length = n
Surface area 2.8747608202065E+15
Volume 6.3750761042395E+22
Height 38409997.927646