81275448 (number)

81275448 is an even 8-digits composite number following 81275447 and preceding 81275449. In scientific notation, it is written as 8.1275448 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 26208000 positive integers (up to 81275448) that are relatively prime to 81275448.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-five thousand four hundred forty-eight

Notation

Scientific notation 8.1275448 × 10^7
Engineering notation 8.1275448 × 10^6

Prime Factorization of 81275448

Prime Factorization 2 × 2 × 2 × 3 × 41 × 151 × 547

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20318862
Product of the distinct prime numbers

The prime factorization of 81275448 is 2 × 2 × 2 × 3 × 41 × 151 × 547. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 4, 55, 30, 787, 339, 2927, 2199, 95764, 34112, 582518, 233414, 907926, 6319757, 60587282, 94679481, 559159380, 730564255, 6640227118, 7405802478

Basic calculations (n = 81275448)

Multiplication

n×y
n×2 162550896
n×3 243826344
n×4 325101792
n×5 406377240

Division

n÷y
n÷2 40637724
n÷3 27091816
n÷3 20318862
n÷5 16255089.6

Exponentiation

ny
n2 6605698447600704
n3 5.3688110068165E+23
n4 4.3635251980634E+31
n5 3.5464746533189E+39

Nth Root

y√n
2√n 9015.2896792061
3√n 433.16476652011
4√n 94.948879294103
5√n 38.193712478354

Divisors of 81275448

1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 151, 164, 246, 302, 328, 453, 492, 547, 604, 906, 984, 1094, 1208, 1641, 1812, 2188, 3282, 3624, 4376, 6191, 6564, 12382, 13128, 18573, 22427, 24764, 37146, 44854, 49528, 67281, 74292, 82597, 89708, 134562, 148584, 165194, 179416, 247791, 269124, 330388, 495582, 538248, 660776, 991164, 1982328, 3386477, 6772954, 10159431, 13545908, 20318862, 27091816, 40637724, 81275448

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81275447
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81275448 can be divided by 64 positive divisors. The sum of these divisors (counting 81275448) is 1, the average is 0.015625.

Base conversion 81275448

Base System Value
2 Binary 100110110000010101000111000
3 Ternary 12122221012221210
4 Quaternary 10312002220320
5 Quinary 131301303243
6 Senary 12022003120
8 Octal 466025070
10 Decimal 81275448
12 Duodecimal 232764a0
16 Hexadecimal 4d82a38
20 Vigesimal 157j8c8
36 Base36 1ce0jc

Cryptographic Hash Functions

md5 4a739e464d0f5563ca0d0c4ccd61bf7f
sha1 df95a6329d20115557f2b10ac7604a54ce61bdf2
sha256 26a9edc62748a3bab3bdf2b8c638b957942d130a5c2abdae0602c337cd8b6aea
sha512 83a29d7f020f19230a72c5c5103fbeb84fed9fc5bc84e4759065894af1e553484506eecf3b60ee7171c07a188f9c883d899461e77bb7728e18063cdd4a8dca44
ripemd-160 c62fb54ff1e4975744b1fafe027f74685c80f71d

81275448 as geometric shapes

Circle

Radius = n
Diameter 162550896
Circumference 510668700.70804
Area 2.0752413714812E+16

Sphere

Radius = n
Volume 2.2488822956702E+24
Surface area 8.3009654859247E+16
Circumference 510668700.70804

Square

Length = n
Perimeter 325101792
Area 6605698447600704
Diagonal 114940840.84955

Cube

Length = n
Surface area 39634190685604224
Volume 5.3688110068165E+23
Space diagonal 140773205.34392

Equilateral Triangle

Length = n
Perimeter 243826344
Area 2.8603513326808E+15
Altitude 70386602.671961

Triangular Pyramid

Length = n
Surface area 2.8603513326808E+15
Volume 6.3272044497149E+22
Height 38313613.616516