21551345 (number)

21551345 is an odd 8-digits composite number following 21551344 and preceding 21551346. In scientific notation, it is written as 2.1551345 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 16389120 positive integers (up to 21551345) that are relatively prime to 21551345.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand three hundred forty-five

Notation

Scientific notation 2.1551345 × 10^7
Engineering notation 2.1551345 × 10^6

Prime Factorization of 21551345

Prime Factorization 23 × 5 × 193 × 971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551345
Product of the distinct prime numbers

The prime factorization of 21551345 is 23 × 5 × 193 × 971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 57, 36, 693, 6, 1613, 1740, 66798, 54625, 853553, 736245, 7592302, 5064786, 88528708, 2431439, 140514993, 93913378, 3985393281, 7331505919

Basic calculations (n = 21551345)

Multiplication

n×y
n×2 43102690
n×3 64654035
n×4 86205380
n×5 107756725

Division

n÷y
n÷2 10775672.5
n÷3 7183781.6666667
n÷3 5387836.25
n÷5 4310269

Exponentiation

ny
n2 464460471309025
n3 1.0009747856043E+22
n4 2.157235294086E+29
n5 4.6491322069024E+36

Nth Root

y√n
2√n 4642.3426198418
3√n 278.28606493688
4√n 68.134738715591
5√n 29.288347981405

Divisors of 21551345

1, 5, 23, 115, 193, 965, 971, 4439, 4855, 22195, 22333, 111665, 187403, 937015, 4310269, 21551345

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 -21551344
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 21551345 can be divided by 16 positive divisors. The sum of these divisors (counting 21551345) is 1, the average is 0.0625.

Base conversion 21551345

Base System Value
2 Binary 1010010001101100011110001
3 Ternary 1111112220212222
4 Quaternary 1102031203301
5 Quinary 21004120340
6 Senary 2045530425
8 Octal 122154361
10 Decimal 21551345
12 Duodecimal 7273a15
16 Hexadecimal 148d8f1
20 Vigesimal 6edi75
36 Base36 ctx4h

Cryptographic Hash Functions

md5 6bee8027948a8b8404c46952b5fa0ebd
sha1 bffb3bb83b32041772f1a7e808a8c1eadab13ea0
sha256 3d707fc92d6db3504d094ad79008432c18b067b2cc5537bd3a37bcc0978d7166
sha512 a5395e59674c9fe745ecea3796ccf6969fb101dd187e2ae4ddd396a5bada0b57d0a977ab5ea38f84274d14a45eb389fb45b0953cafb44abb2979c62b68f44e8c
ripemd-160 2a80fa6ff75bda4278818e281da31d8c9a3d963d

21551345 as geometric shapes

Circle

Radius = n
Diameter 43102690
Circumference 135411094.25396
Area 1.4591456045473E+15

Sphere

Radius = n
Volume 4.1928733771776E+22
Surface area 5.8365824181891E+15
Circumference 135411094.25396

Square

Length = n
Perimeter 86205380
Area 464460471309025
Diagonal 30478204.386382

Cube

Length = n
Surface area 2786762827854150
Volume 1.0009747856043E+22
Space diagonal 37328024.511445

Equilateral Triangle

Length = n
Perimeter 64654035
Area 2.0111728360365E+14
Altitude 18664012.255723

Triangular Pyramid

Length = n
Surface area 2.0111728360365E+14
Volume 1.1796600978293E+21
Height 10159401.462127