16400921 (number)

16400921 is an odd 8-digits composite number following 16400920 and preceding 16400922. In scientific notation, it is written as 1.6400921 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 15835344 positive integers (up to 16400921) that are relatively prime to 16400921.

Interesting facts

Basic properties

Name

Name sixteen million four hundred thousand nine hundred twenty-one

Notation

Scientific notation 1.6400921 × 10^7
Engineering notation 1.6400921 × 10^6

Prime Factorization of 16400921

Prime Factorization 29 × 565549

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16400921
Product of the distinct prime numbers

The prime factorization of 16400921 is 29 × 565549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16400921)

Multiplication

n×y
n×2 32801842
n×3 49202763
n×4 65603684
n×5 82004605

Division

n÷y
n÷2 8200460.5
n÷3 5466973.6666667
n÷3 4100230.25
n÷5 3280184.2

Exponentiation

ny
n2 268990209648241
n3 4.4116871782142E+21
n4 7.2355732886605E+28
n5 1.1867006589703E+36

Nth Root

y√n
2√n 4049.8050570367
3√n 254.07157447238
4√n 63.638078671788
5√n 27.731518268023

Divisors of 16400921

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 -16400920
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 16400921 can be divided by 4 positive divisors. The sum of these divisors (counting 16400921) is 1, the average is 0.25.

Base conversion 16400921

Base System Value
2 Binary 111110100100001000011001
3 Ternary 1010212020211112
4 Quaternary 332210020121
5 Quinary 13144312141
6 Senary 1343310105
8 Octal 76441031
10 Decimal 16400921
12 Duodecimal 55ab335
16 Hexadecimal fa4219
20 Vigesimal 52a261
36 Base36 9rj15

Cryptographic Hash Functions

md5 e5f466e50be1adcfd0620ffecc8a2599
sha1 33d98c44e2bf7cc831abfcdc780b506880cd6043
sha256 d0631b43dea90691b315e2884232bce7feb95b997065506c1d3808955f0f4832
sha512 375e4471e4c2c663e438481308bc3849944fd096b32b3f3cd2bcd2b9cbddfcdc21a66f2f14906e7a53548532fd539594cbcaa1994721cd92a3c2ffe651c8691a
ripemd-160 ef929ee4be3c73f3d5ee9cf01757a049e6ce5307

16400921 as geometric shapes

Circle

Radius = n
Diameter 32801842
Circumference 103050025.85141
Area 8.4505766651849E+14

Sphere

Radius = n
Volume 1.8479632038686E+22
Surface area 3.380230666074E+15
Circumference 103050025.85141

Square

Length = n
Perimeter 65603684
Area 268990209648241
Diagonal 23194404.91361

Cube

Length = n
Surface area 1613941257889446
Volume 4.4116871782142E+21
Space diagonal 28407228.462923

Equilateral Triangle

Length = n
Perimeter 49202763
Area 1.1647617746234E+14
Altitude 14203614.231462

Triangular Pyramid

Length = n
Surface area 1.1647617746234E+14
Volume 5.1992232003151E+20
Height 7731468.3045366