81001488 (number)

81001488 is an even 8-digits composite number following 81001487 and preceding 81001489. In scientific notation, it is written as 8.1001488 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 27000480 positive integers (up to 81001488) that are relatively prime to 81001488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1001488 × 10^7
Engineering notation 8.1001488 × 10^6

Prime Factorization of 81001488

Prime Factorization 2 × 2 × 2 × 2 × 3 × 1687531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10125186
Product of the distinct prime numbers

The prime factorization of 81001488 is 2 × 2 × 2 × 2 × 3 × 1687531. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 10, 98, 89, 938, 463, 4782, 147, 12755, 3960, 23776, 579804, 7967355, 7791901, 27026984, 53888819, 157411762, 478774163, 3917468521, 9437634577

Basic calculations (n = 81001488)

Multiplication

n×y
n×2 162002976
n×3 243004464
n×4 324005952
n×5 405007440

Division

n÷y
n÷2 40500744
n÷3 27000496
n÷3 20250372
n÷5 16200297.6

Exponentiation

ny
n2 6561241058214144
n3 5.3147028884204E+23
n4 4.3049884223995E+31
n5 3.4871046803713E+39

Nth Root

y√n
2√n 9000.082666287
3√n 432.67752054188
4√n 94.868765493639
5√n 38.167929326436

Divisors of 81001488

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1687531, 3375062, 5062593, 6750124, 10125186, 13500248, 20250372, 27000496, 40500744, 81001488

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81001487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81001488 can be divided by 20 positive divisors. The sum of these divisors (counting 81001488) is 1, the average is 0.05.

Base conversion 81001488

Base System Value
2 Binary 100110100111111110000010000
3 Ternary 12122102022011010
4 Quaternary 10310333300100
5 Quinary 131214021423
6 Senary 12012050520
8 Octal 464776020
10 Decimal 81001488
12 Duodecimal 23163a40
16 Hexadecimal 4d3fc10
20 Vigesimal 15653e8
36 Base36 1c855c

Cryptographic Hash Functions

md5 f070cda2830b781fce7e97c63682f00b
sha1 65ee7a0f6d8f909f5dccf912b3af3d45f9829e81
sha256 053bfb5c4b5598dbd53d40b56a9430cda4822da11d22a873e0980878219a0905
sha512 a23ce51b24358aef34f5fe3b145d75ea665d014689348f1290687cfd3815898631782d571cb35657c4e6ef8c911b9dba2ed5bce22b15755ccbfc210f56af74c7
ripemd-160 9175a7b63a86d68badec9cac6a974ac252b16661

81001488 as geometric shapes

Circle

Radius = n
Diameter 162002976
Circumference 508947359.26128
Area 2.0612746706917E+16

Sphere

Radius = n
Volume 2.2262175400365E+24
Surface area 8.2450986827669E+16
Circumference 508947359.26128

Square

Length = n
Perimeter 324005952
Area 6561241058214144
Diagonal 114553402.902

Cube

Length = n
Surface area 39367446349284864
Volume 5.3147028884204E+23
Space diagonal 140298692.70468

Equilateral Triangle

Length = n
Perimeter 243004464
Area 2.8411007183835E+15
Altitude 70149346.35234

Triangular Pyramid

Length = n
Surface area 2.8411007183835E+15
Volume 6.2634374206563E+22
Height 38184467.634001