16491381 (number)

16491381 is an odd 8-digits composite number following 16491380 and preceding 16491382. In scientific notation, it is written as 1.6491381 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10584000 positive integers (up to 16491381) that are relatively prime to 16491381.

Interesting facts

Basic properties

Name

Name sixteen million four hundred ninety-one thousand three hundred eighty-one

Notation

Scientific notation 1.6491381 × 10^7
Engineering notation 1.6491381 × 10^6

Prime Factorization of 16491381

Prime Factorization 3 × 37 × 101 × 1471

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16491381
Product of the distinct prime numbers

The prime factorization of 16491381 is 3 × 37 × 101 × 1471. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 61, 75, 644, 815, 2808, 7874, 77245, 70516, 128144, 510881, 2285100, 1747541, 56681890, 44171098, 651228784, 896738090, 1092479059, 9735353290

Basic calculations (n = 16491381)

Multiplication

n×y
n×2 32982762
n×3 49474143
n×4 65965524
n×5 82456905

Division

n÷y
n÷2 8245690.5
n÷3 5497127
n÷3 4122845.25
n÷5 3298276.2

Exponentiation

ny
n2 271965647287161
n3 4.4850891083242E+21
n4 7.3965313304324E+28
n5 1.219790162486E+36

Nth Root

y√n
2√n 4060.9581381738
3√n 254.5378326065
4√n 63.725647412747
5√n 27.762041881732

Divisors of 16491381

1, 3, 37, 101, 111, 303, 1471, 3737, 4413, 11211, 54427, 148571, 163281, 445713, 5497127, 16491381

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 -16491380
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 16491381 can be divided by 16 positive divisors. The sum of these divisors (counting 16491381) is 1, the average is 0.0625.

Base conversion 16491381

Base System Value
2 Binary 111110111010001101110101
3 Ternary 1011000211220220
4 Quaternary 332322031311
5 Quinary 13210211011
6 Senary 1345244553
8 Octal 76721565
10 Decimal 16491381
12 Duodecimal 5633759
16 Hexadecimal fba375
20 Vigesimal 531891
36 Base36 9tgtx

Cryptographic Hash Functions

md5 90fb442ffc44b4f59eaf427452c70da8
sha1 119f7ab23033961db1fd37c3b0b0d46d8c3a8517
sha256 3a37926e2537d2079fea3352787228bc846368c94b8ac4172db03709e75bf3cf
sha512 d9e769001720597231fff67ef412b4b4cbf9add8cc0b96b70b203cd0954a85bdf374656ecc91c11a4af5c77799b8c6f3f04fce0866305ecb2279da716c5ac251
ripemd-160 56ae78cc21b09f139f2dddf3bea20c910e3287ff

16491381 as geometric shapes

Circle

Radius = n
Diameter 32982762
Circumference 103618402.7943
Area 8.5440527954614E+14

Sphere

Radius = n
Volume 1.8787097324542E+22
Surface area 3.4176211181846E+15
Circumference 103618402.7943

Square

Length = n
Perimeter 65965524
Area 271965647287161
Diagonal 23322334.672462

Cube

Length = n
Surface area 1631793883722966
Volume 4.4850891083242E+21
Space diagonal 28563909.778976

Equilateral Triangle

Length = n
Perimeter 49474143
Area 1.1776457975368E+14
Altitude 14281954.889488

Triangular Pyramid

Length = n
Surface area 1.1776457975368E+14
Volume 5.2857282045366E+20
Height 7774111.5574873