21493028 (number)

21493028 is an even 8-digits composite number following 21493027 and preceding 21493029. In scientific notation, it is written as 2.1493028 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 10140768 positive integers (up to 21493028) that are relatively prime to 21493028.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand twenty-eight

Notation

Scientific notation 2.1493028 × 10^7
Engineering notation 2.1493028 × 10^6

Prime Factorization of 21493028

Prime Factorization 2 × 2 × 19 × 389 × 727

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746514
Product of the distinct prime numbers

The prime factorization of 21493028 is 2 × 2 × 19 × 389 × 727. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 52, 17, 956, 379, 8333, 649, 47866, 68410, 766728, 5429, 1505200, 1455948, 95430748, 46735672, 859954739, 994668928, 1005626399, 888959712

Basic calculations (n = 21493028)

Multiplication

n×y
n×2 42986056
n×3 64479084
n×4 85972112
n×5 107465140

Division

n÷y
n÷2 10746514
n÷3 7164342.6666667
n÷3 5373257
n÷5 4298605.6

Exponentiation

ny
n2 461950252608784
n3 9.9287097139277E+21
n4 2.1339803588532E+29
n5 4.5865699604282E+36

Nth Root

y√n
2√n 4636.0573766941
3√n 278.0348282021
4√n 68.088599461981
5√n 29.272480198534

Divisors of 21493028

1, 2, 4, 19, 38, 76, 389, 727, 778, 1454, 1556, 2908, 7391, 13813, 14782, 27626, 29564, 55252, 282803, 565606, 1131212, 5373257, 10746514, 21493028

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493027
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493028 can be divided by 24 positive divisors. The sum of these divisors (counting 21493028) is 1, the average is 0.041666666666667.

Base conversion 21493028

Base System Value
2 Binary 1010001111111010100100100
3 Ternary 1111102221220002
4 Quaternary 1101333110210
5 Quinary 21000234103
6 Senary 2044400432
8 Octal 121772444
10 Decimal 21493028
12 Duodecimal 7246118
16 Hexadecimal 147f524
20 Vigesimal 6e6cb8
36 Base36 cso4k

Cryptographic Hash Functions

md5 7793ea4eacd08237dc46f166a1ef6cc5
sha1 ece219e93f1f188786d6af6c57feb82e15b252fe
sha256 75f5fc1d29a2b81cfdd061f23fdf916f6bcf67ec9711888848024de50b7b73d0
sha512 5b72065c8464ce44d81da4a5fe21bc36b5a70b943d67b7a62ad79e534c12b8bb61324d70d67eedd66c5a60241ffc278f5d1142c66021ec839558dda8600065e2
ripemd-160 60540f34a07d347e321b9cf1747ef8972f045518

21493028 as geometric shapes

Circle

Radius = n
Diameter 42986056
Circumference 135044677.7364
Area 1.4512595199197E+15

Sphere

Radius = n
Volume 4.1589281995868E+22
Surface area 5.8050380796788E+15
Circumference 135044677.7364

Square

Length = n
Perimeter 85972112
Area 461950252608784
Diagonal 30395731.694065

Cube

Length = n
Surface area 2771701515652704
Volume 9.9287097139277E+21
Space diagonal 37227016.5045

Equilateral Triangle

Length = n
Perimeter 64479084
Area 2.0003032702192E+14
Altitude 18613508.25225

Triangular Pyramid

Length = n
Surface area 2.0003032702192E+14
Volume 1.1701096611918E+21
Height 10131910.564688