16401821 (number)

16401821 is an odd 8-digits composite number following 16401820 and preceding 16401822. In scientific notation, it is written as 1.6401821 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 14938560 positive integers (up to 16401821) that are relatively prime to 16401821.

Interesting facts

Basic properties

Name

Name sixteen million four hundred one thousand eight hundred twenty-one

Notation

Scientific notation 1.6401821 × 10^7
Engineering notation 1.6401821 × 10^6

Prime Factorization of 16401821

Prime Factorization 527 × 31123

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16401821
Product of the distinct prime numbers

The prime factorization of 16401821 is 527 × 31123. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 76, 77, 309, 145, 4178, 3259, 26945, 52418, 602078, 141382, 63793, 1261499, 32096421, 42784320, 720805937, 384214925, 6808997363, 4883932843

Basic calculations (n = 16401821)

Multiplication

n×y
n×2 32803642
n×3 49205463
n×4 65607284
n×5 82009105

Division

n÷y
n÷2 8200910.5
n÷3 5467273.6666667
n÷3 4100455.25
n÷5 3280364.2

Exponentiation

ny
n2 269019732116041
n3 4.4124134916353E+21
n4 7.2371616267786E+28
n5 1.1870262955049E+36

Nth Root

y√n
2√n 4049.916171972
3√n 254.07622177713
4√n 63.638951688191
5√n 27.731822614573

Divisors of 16401821

1, 527, 31123, 16401821

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16401820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16401821 can be divided by 4 positive divisors. The sum of these divisors (counting 16401821) is 1, the average is 0.25.

Base conversion 16401821

Base System Value
2 Binary 111110100100010110011101
3 Ternary 1010212022001212
4 Quaternary 332210112131
5 Quinary 13144324241
6 Senary 1343314205
8 Octal 76442635
10 Decimal 16401821
12 Duodecimal 55ab965
16 Hexadecimal fa459d
20 Vigesimal 52a4b1
36 Base36 9rjq5

Cryptographic Hash Functions

md5 91d1970b4fa3ff78058ed80b2a7d8530
sha1 417fe92be5a9571ae677c29a89bf3c631a99e9fa
sha256 4f5e919f819a46dc8d5093579ee746bbf5189364fc3fb51ba37416f95c1dc31f
sha512 5a3de5cefa62e628d280034937eaaee258b891e9dfca82757898508c2dca924b502e42236d9ce76a6375a456965aa43cca631a2b4c59213622049b8adc13d0cc
ripemd-160 9fa643d4699a25a684b8d501502b637da0628a0b

16401821 as geometric shapes

Circle

Radius = n
Diameter 32803642
Circumference 103055680.71819
Area 8.4515041408645E+14

Sphere

Radius = n
Volume 1.8482674413229E+22
Surface area 3.3806016563458E+15
Circumference 103055680.71819

Square

Length = n
Perimeter 65607284
Area 269019732116041
Diagonal 23195677.705816

Cube

Length = n
Surface area 1614118392696246
Volume 4.4124134916353E+21
Space diagonal 28408787.30865

Equilateral Triangle

Length = n
Perimeter 49205463
Area 1.1648896106589E+14
Altitude 14204393.654325

Triangular Pyramid

Length = n
Surface area 1.1648896106589E+14
Volume 5.2000791688905E+20
Height 7731892.5686053