81474964 (number)

81474964 is an even 8-digits composite number following 81474963 and preceding 81474965. In scientific notation, it is written as 8.1474964 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 38593368 positive integers (up to 81474964) that are relatively prime to 81474964.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1474964 × 10^7
Engineering notation 8.1474964 × 10^6

Prime Factorization of 81474964

Prime Factorization 2 × 2 × 19 × 1072039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40737482
Product of the distinct prime numbers

The prime factorization of 81474964 is 2 × 2 × 19 × 1072039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 49, 5, 557, 666, 1436, 5361, 91845, 49874, 37093, 671942, 9728960, 2660584, 34753287, 2602236, 195564331, 386171845, 6889115573, 9210410255

Basic calculations (n = 81474964)

Multiplication

n×y
n×2 162949928
n×3 244424892
n×4 325899856
n×5 407374820

Division

n÷y
n÷2 40737482
n÷3 27158321.333333
n÷3 20368741
n÷5 16294992.8

Exponentiation

ny
n2 6638169758801296
n3 5.4084464212422E+23
n4 4.4065297746664E+31
n5 3.5902185475587E+39

Nth Root

y√n
2√n 9026.3483203342
3√n 433.51892300195
4√n 95.007096157783
5√n 38.212445774588

Divisors of 81474964

1, 2, 4, 19, 38, 76, 1072039, 2144078, 4288156, 20368741, 40737482, 81474964

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81474963
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81474964 can be divided by 12 positive divisors. The sum of these divisors (counting 81474964) is 1, the average is 0.083333333333333.

Base conversion 81474964

Base System Value
2 Binary 100110110110011010110010100
3 Ternary 12200022100122021
4 Quaternary 10312303112110
5 Quinary 131324144324
6 Senary 12030142524
8 Octal 466632624
10 Decimal 81474964
12 Duodecimal 23351a44
16 Hexadecimal 4db3594
20 Vigesimal 1594784
36 Base36 1ciahg

Cryptographic Hash Functions

md5 b48879e920e020614e2387f742148ea2
sha1 4f83ee0728971544a354dcb3105c9233e87d4795
sha256 892cf7026e99e4d2e1acd9c0f49a49221963aac6946dfab7bc756a4843ab2b8b
sha512 57e94d6ebbded09d05c50be0279497b4039af7fd44ce7b1cc305821f961ccc9b19b656c82971253edaa303c35ac34d921cb6d799f510996f2561424c6b243571
ripemd-160 d20d53e845aebac561a8db15560f5db1e353655c

81474964 as geometric shapes

Circle

Radius = n
Diameter 162949928
Circumference 511922296.70779
Area 2.0854425347532E+16

Sphere

Radius = n
Volume 2.2654847392412E+24
Surface area 8.3417701390128E+16
Circumference 511922296.70779

Square

Length = n
Perimeter 325899856
Area 6638169758801296
Diagonal 115222999.08266

Cube

Length = n
Surface area 39829018552807776
Volume 5.4084464212422E+23
Space diagonal 141118777.19285

Equilateral Triangle

Length = n
Perimeter 244424892
Area 2.8744118228778E+15
Altitude 70559388.596423

Triangular Pyramid

Length = n
Surface area 2.8744118228778E+15
Volume 6.3739152335742E+22
Height 38407666.360887