81001486 (number)

81001486 is an even 8-digits composite number following 81001485 and preceding 81001487. In scientific notation, it is written as 8.1001486 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 38953600 positive integers (up to 81001486) that are relatively prime to 81001486.

Interesting facts

Basic properties

Name

Name eighty-one million one thousand four hundred eighty-six

Notation

Scientific notation 8.1001486 × 10^7
Engineering notation 8.1001486 × 10^6

Prime Factorization of 81001486

Prime Factorization 2 × 41 × 71 × 13913

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81001486
Product of the distinct prime numbers

The prime factorization of 81001486 is 2 × 41 × 71 × 13913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 60, 41, 374, 637, 4349, 6977, 40473, 41131, 630276, 48639, 3915868, 3233230, 63695435, 23271038, 316550754, 357610288, 6854539282, 3075345293

Basic calculations (n = 81001486)

Multiplication

n×y
n×2 162002972
n×3 243004458
n×4 324005944
n×5 405007430

Division

n÷y
n÷2 40500743
n÷3 27000495.333333
n÷3 20250371.5
n÷5 16200297.2

Exponentiation

ny
n2 6561240734208196
n3 5.3147024947459E+23
n4 4.3049879972233E+31
n5 3.4871042498725E+39

Nth Root

y√n
2√n 9000.0825551769
3√n 432.67751698081
4√n 94.86876490804
5√n 38.167929137956

Divisors of 81001486

1, 2, 41, 71, 82, 142, 2911, 5822, 13913, 27826, 570433, 987823, 1140866, 1975646, 40500743, 81001486

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 -81001485
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 81001486 can be divided by 16 positive divisors. The sum of these divisors (counting 81001486) is 1, the average is 0.0625.

Base conversion 81001486

Base System Value
2 Binary 100110100111111110000001110
3 Ternary 12122102022011001
4 Quaternary 10310333300032
5 Quinary 131214021421
6 Senary 12012050514
8 Octal 464776016
10 Decimal 81001486
12 Duodecimal 23163a3a
16 Hexadecimal 4d3fc0e
20 Vigesimal 15653e6
36 Base36 1c855a

Cryptographic Hash Functions

md5 8defc8c0f554e7fd9b0cc6e2533c275c
sha1 789916c37f79d01335bce01d4b225850562ff158
sha256 ef1e4504c2cf234163435490e9d75d736ff718d22a39905da27a5be8a2aac403
sha512 e90dcbc2b9a1d788aae8a169fdfef17c6c929b2247f398b41452aed21a6992ff295cee0c9375093b19721858ab8f734b2da6a1cefa5f98aab5652e0865b4b9cd
ripemd-160 a90350f5522d55bfdcbd081c31b319b346594dcc

81001486 as geometric shapes

Circle

Radius = n
Diameter 162002972
Circumference 508947346.69491
Area 2.0612745689023E+16

Sphere

Radius = n
Volume 2.2262173751346E+24
Surface area 8.245098275609E+16
Circumference 508947346.69491

Square

Length = n
Perimeter 324005944
Area 6561240734208196
Diagonal 114553400.07357

Cube

Length = n
Surface area 39367444405249176
Volume 5.3147024947459E+23
Space diagonal 140298689.24058

Equilateral Triangle

Length = n
Perimeter 243004458
Area 2.8411005780848E+15
Altitude 70149344.62029

Triangular Pyramid

Length = n
Surface area 2.8411005780848E+15
Volume 6.2634369567065E+22
Height 38184466.691191