51991440 (number)

51991440 is an even 8-digits composite number following 51991439 and preceding 51991441. In scientific notation, it is written as 5.1991440 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 13047808 positive integers (up to 51991440) that are relatively prime to 51991440.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred ninety-one thousand four hundred forty

Notation

Scientific notation 5.1991440 × 10^7
Engineering notation 5.1991440 × 10^6

Prime Factorization of 51991440

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 17 × 12743

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 6498930
Product of the distinct prime numbers

The prime factorization of 51991440 is 2 × 2 × 2 × 2 × 3 × 5 × 17 × 12743. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 3, 82, 82, 688, 201, 1344, 4317, 88527, 83832, 906406, 954308, 7658478, 5036223, 46645866, 87906628, 298114889, 712121718, 6926186844, 6107969670

Basic calculations (n = 51991440)

Multiplication

n×y
n×2 103982880
n×3 155974320
n×4 207965760
n×5 259957200

Division

n÷y
n÷2 25995720
n÷3 17330480
n÷3 12997860
n÷5 10398288

Exponentiation

ny
n2 2703109833273600
n3 1.4053857271005E+23
n4 7.3068027707404E+30
n5 3.7989119784678E+38

Nth Root

y√n
2√n 7210.50899729
3√n 373.23063359914
4√n 84.914716023137
5√n 34.929017457487

Divisors of 51991440

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 12743, 25486, 38229, 50972, 63715, 76458, 101944, 127430, 152916, 191145, 203888, 216631, 254860, 305832, 382290, 433262, 509720, 611664, 649893, 764580, 866524, 1019440, 1083155, 1299786, 1529160, 1733048, 2166310, 2599572, 3058320, 3249465, 3466096, 4332620, 5199144, 6498930, 8665240, 10398288, 12997860, 17330480, 25995720, 51991440

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51991439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51991440 can be divided by 80 positive divisors. The sum of these divisors (counting 51991440) is 1, the average is 0.0125.

Base conversion 51991440

Base System Value
2 Binary 11000110010101001110010000
3 Ternary 10121211102211220
4 Quaternary 3012111032100
5 Quinary 101302211230
6 Senary 5054205040
8 Octal 306251620
10 Decimal 51991440
12 Duodecimal 154b3780
16 Hexadecimal 3195390
20 Vigesimal g4iic0
36 Base36 uycuo

Cryptographic Hash Functions

md5 f20672e77ba62f8857433a5e68edeeb8
sha1 d6837db2a148748b24885bb27f0bd764e12b8138
sha256 a61fd0bb9a129883f333424335f5f6595c4740db789d9e1302efff5a158786b8
sha512 799baabe14842d863b82ef487de94f4a2b9c229ec45a8b008974c03871ced5b2633044e2ada825eb46b8d0f3ee95dc7c923a58b10baa18b9ca0e1e262857d9db
ripemd-160 6aa119e8fee6bbf008f935562084f5484c4e4a3e

51991440 as geometric shapes

Circle

Radius = n
Diameter 103982880
Circumference 326671851.90711
Area 8.4920699940587E+15

Sphere

Radius = n
Volume 5.8868659676254E+23
Surface area 3.3968279976235E+16
Circumference 326671851.90711

Square

Length = n
Perimeter 207965760
Area 2703109833273600
Diagonal 73526999.575307

Cube

Length = n
Surface area 16218658999641600
Volume 1.4053857271005E+23
Space diagonal 90051815.638669

Equilateral Triangle

Length = n
Perimeter 155974320
Area 1.1704808924172E+15
Altitude 45025907.819334

Triangular Pyramid

Length = n
Surface area 1.1704808924172E+15
Volume 1.656262963026E+22
Height 24508999.858436