81279422 (number)

81279422 is an even 8-digits composite number following 81279421 and preceding 81279423. In scientific notation, it is written as 8.1279422 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 34176480 positive integers (up to 81279422) that are relatively prime to 81279422.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-nine thousand four hundred twenty-two

Notation

Scientific notation 8.1279422 × 10^7
Engineering notation 8.1279422 × 10^6

Prime Factorization of 81279422

Prime Factorization 2 × 7 × 53 × 109541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81279422
Product of the distinct prime numbers

The prime factorization of 81279422 is 2 × 7 × 53 × 109541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 62, 55, 71, 640, 3451, 1244, 33105, 36838, 928544, 639960, 4531675, 6466849, 2003763, 44132171, 569675966, 945415674, 8134318843, 8405218102

Basic calculations (n = 81279422)

Multiplication

n×y
n×2 162558844
n×3 243838266
n×4 325117688
n×5 406397110

Division

n÷y
n÷2 40639711
n÷3 27093140.666667
n÷3 20319855.5
n÷5 16255884.4

Exponentiation

ny
n2 6606344440654084
n3 5.3695985766928E+23
n4 4.3643786868561E+31
n5 3.5473417705678E+39

Nth Root

y√n
2√n 9015.5100798568
3√n 433.17182633448
4√n 94.950039914983
5√n 38.194085970838

Divisors of 81279422

1, 2, 7, 14, 53, 106, 371, 742, 109541, 219082, 766787, 1533574, 5805673, 11611346, 40639711, 81279422

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 -81279421
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 81279422 can be divided by 16 positive divisors. The sum of these divisors (counting 81279422) is 1, the average is 0.0625.

Base conversion 81279422

Base System Value
2 Binary 100110110000011100110111110
3 Ternary 12122221102101222
4 Quaternary 10312003212332
5 Quinary 131301420142
6 Senary 12022033342
8 Octal 466034676
10 Decimal 81279422
12 Duodecimal 23278852
16 Hexadecimal 4d839be
20 Vigesimal 157jib2
36 Base36 1ce3lq

Cryptographic Hash Functions

md5 f8677d0c74219c367de308b069938372
sha1 1f89c9d659c5fae379e95458cde4cc572234b1e7
sha256 33437c9369babf563c9728ae5bd7ca8700d0761da37a46973f2da3613b97b2da
sha512 8833e75780ed36cf0881b496899e5f039145a61bd84f025357e9a309a02c339f272642eb163c82e16e822b05d759c858fb6227297068642b484a38b2084eb9d0
ripemd-160 eec556d560916a2aa4c192853a9ff8d86ba4f173

81279422 as geometric shapes

Circle

Radius = n
Diameter 162558844
Circumference 510693670.08645
Area 2.0754443161843E+16

Sphere

Radius = n
Volume 2.2492121921686E+24
Surface area 8.3017772647371E+16
Circumference 510693670.08645

Square

Length = n
Perimeter 325117688
Area 6606344440654084
Diagonal 114946460.93425

Cube

Length = n
Surface area 39638066643924504
Volume 5.3695985766928E+23
Space diagonal 140780088.51383

Equilateral Triangle

Length = n
Perimeter 243838266
Area 2.8606310558783E+15
Altitude 70390044.256916

Triangular Pyramid

Length = n
Surface area 2.8606310558783E+15
Volume 6.3281326097152E+22
Height 38315486.978082