81013448 (number)

81013448 is an even 8-digits composite number following 81013447 and preceding 81013449. In scientific notation, it is written as 8.1013448 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 40432528 positive integers (up to 81013448) that are relatively prime to 81013448.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand four hundred forty-eight

Notation

Scientific notation 8.1013448 × 10^7
Engineering notation 8.1013448 × 10^6

Prime Factorization of 81013448

Prime Factorization 2 × 2 × 2 × 563 × 17987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20253362
Product of the distinct prime numbers

The prime factorization of 81013448 is 2 × 2 × 2 × 563 × 17987. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 85, 88, 570, 611, 938, 9378, 16188, 14518, 594348, 927461, 7236593, 7251343, 70288573, 73148681, 786951025, 690812101, 7755161510, 8780708594

Basic calculations (n = 81013448)

Multiplication

n×y
n×2 162026896
n×3 243040344
n×4 324053792
n×5 405067240

Division

n÷y
n÷2 40506724
n÷3 27004482.666667
n÷3 20253362
n÷5 16202689.6

Exponentiation

ny
n2 6563178756848704
n3 5.3170574093267E+23
n4 4.307531539435E+31
n5 3.4896798237838E+39

Nth Root

y√n
2√n 9000.747080104
3√n 432.69881467117
4√n 94.872267181216
5√n 38.169056371106

Divisors of 81013448

1, 2, 4, 8, 563, 1126, 2252, 4504, 17987, 35974, 71948, 143896, 10126681, 20253362, 40506724, 81013448

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 -81013447
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 81013448 can be divided by 16 positive divisors. The sum of these divisors (counting 81013448) is 1, the average is 0.0625.

Base conversion 81013448

Base System Value
2 Binary 100110101000010101011001000
3 Ternary 12122102220120002
4 Quaternary 10311002223020
5 Quinary 131214412243
6 Senary 12012222132
8 Octal 465025310
10 Decimal 81013448
12 Duodecimal 2316a948
16 Hexadecimal 4d42ac8
20 Vigesimal 1566dc8
36 Base36 1c8edk

Cryptographic Hash Functions

md5 e3106c62545ad2d12dda896d4bff69e3
sha1 ff92ad44bc10a11c6de1c6a9b2e1bddecd0327c8
sha256 4b52973e818f79d6f5d8e73b2dc7affbdd7a4fa96b4545db52a2f6f23ae5d883
sha512 4a8adb6bd15f1b92ae88df36c6d7e8bc22f468abe5d6abcdbbe41300de90613dd0f6bd7f49fb1302271ed9a31393047386874badb68d89d7c1d883cd010c263e
ripemd-160 12c80ca408e937acb620ffd50df6d3edad26a83e

81013448 as geometric shapes

Circle

Radius = n
Diameter 162026896
Circumference 509022506.15756
Area 2.0618834166712E+16

Sphere

Radius = n
Volume 2.2272037994474E+24
Surface area 8.247533666685E+16
Circumference 509022506.15756

Square

Length = n
Perimeter 324053792
Area 6563178756848704
Diagonal 114570316.89621

Cube

Length = n
Surface area 39379072541092224
Volume 5.3170574093267E+23
Space diagonal 140319408.03234

Equilateral Triangle

Length = n
Perimeter 243040344
Area 2.8419397665047E+15
Altitude 70159704.01617

Triangular Pyramid

Length = n
Surface area 2.8419397665047E+15
Volume 6.2662122501551E+22
Height 38190105.632069