16401281 (number)

16401281 is an odd 8-digits composite number following 16401280 and preceding 16401282. In scientific notation, it is written as 1.6401281 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 14981616 positive integers (up to 16401281) that are relatively prime to 16401281.

Interesting facts

Basic properties

Name

Name sixteen million four hundred one thousand two hundred eighty-one

Notation

Scientific notation 1.6401281 × 10^7
Engineering notation 1.6401281 × 10^6

Prime Factorization of 16401281

Prime Factorization 13 × 13 × 907 × 107

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1261637
Product of the distinct prime numbers

The prime factorization of 16401281 is 13 × 13 × 907 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 47, 76, 934, 671, 405, 7449, 34256, 84471, 670956, 788078, 8432367, 5809192, 3774654, 92964398, 437015108, 251457852, 5718459212, 9217050109

Basic calculations (n = 16401281)

Multiplication

n×y
n×2 32802562
n×3 49203843
n×4 65605124
n×5 82006405

Division

n÷y
n÷2 8200640.5
n÷3 5467093.6666667
n÷3 4100320.25
n÷5 3280256.2

Exponentiation

ny
n2 269002018440961
n3 4.4119776940174E+21
n4 7.2362085925311E+28
n5 1.1868309050072E+36

Nth Root

y√n
2√n 4049.8495033766
3√n 254.07343341468
4√n 63.638427882661
5√n 27.731640008247

Divisors of 16401281

1, 13, 107, 169, 907, 1391, 11791, 18083, 97049, 153283, 1261637, 16401281

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16401280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16401281 can be divided by 12 positive divisors. The sum of these divisors (counting 16401281) is 1, the average is 0.083333333333333.

Base conversion 16401281

Base System Value
2 Binary 111110100100001110000001
3 Ternary 1010212021022212
4 Quaternary 332210032001
5 Quinary 13144320111
6 Senary 1343311505
8 Octal 76441601
10 Decimal 16401281
12 Duodecimal 55ab595
16 Hexadecimal fa4381
20 Vigesimal 52a341
36 Base36 9rjb5

Cryptographic Hash Functions

md5 a6f105f4949b8cb1762382e108cc704b
sha1 3e29fc305e0bc3b32ff341bcd5773c74c5a6334b
sha256 9fe5d9607a6126d98247344a9de5dca6a861529e810763caa646d1d8ae7e0a73
sha512 2c8962e26bddce7d81365c728f45c7492923ed03bdb38a69db085fb9ab1668c7ec9b3127675712c13ce62ac7165cd19cc273a09d40b59194ed774f572aba667a
ripemd-160 e546d028d4eb9a112a85ba774e41dc5af22ee31d

16401281 as geometric shapes

Circle

Radius = n
Diameter 32802562
Circumference 103052287.79812
Area 8.4509476493495E+14

Sphere

Radius = n
Volume 1.8480848948436E+22
Surface area 3.3803790597398E+15
Circumference 103052287.79812

Square

Length = n
Perimeter 65605124
Area 269002018440961
Diagonal 23194914.030492

Cube

Length = n
Surface area 1614012110645766
Volume 4.4119776940174E+21
Space diagonal 28407852.001214

Equilateral Triangle

Length = n
Perimeter 49203843
Area 1.1648129081958E+14
Altitude 14203926.000607

Triangular Pyramid

Length = n
Surface area 1.1648129081958E+14
Volume 5.1995655764725E+20
Height 7731638.0101641