21551864 (number)

21551864 is an even 8-digits composite number following 21551863 and preceding 21551865. In scientific notation, it is written as 2.1551864 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 10732000 positive integers (up to 21551864) that are relatively prime to 21551864.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand eight hundred sixty-four

Notation

Scientific notation 2.1551864 × 10^7
Engineering notation 2.1551864 × 10^6

Prime Factorization of 21551864

Prime Factorization 2 × 2 × 2 × 251 × 10733

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5387966
Product of the distinct prime numbers

The prime factorization of 21551864 is 2 × 2 × 2 × 251 × 10733. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 59, 95, 755, 988, 851, 1916, 73870, 50585, 144431, 884281, 3694777, 5797429, 89083539, 93503782, 618333173, 383155107, 5557367856, 5082345401

Basic calculations (n = 21551864)

Multiplication

n×y
n×2 43103728
n×3 64655592
n×4 86207456
n×5 107759320

Division

n÷y
n÷2 10775932
n÷3 7183954.6666667
n÷3 5387966
n÷5 4310372.8

Exponentiation

ny
n2 464482841874496
n3 1.0010471038413E+22
n4 2.1574431039581E+29
n5 4.6496920364242E+36

Nth Root

y√n
2√n 4642.3985180077
3√n 278.28829881614
4√n 68.135148917484
5√n 29.288489044584

Divisors of 21551864

1, 2, 4, 8, 251, 502, 1004, 2008, 10733, 21466, 42932, 85864, 2693983, 5387966, 10775932, 21551864

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 -21551863
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 21551864 can be divided by 16 positive divisors. The sum of these divisors (counting 21551864) is 1, the average is 0.0625.

Base conversion 21551864

Base System Value
2 Binary 1010010001101101011111000
3 Ternary 1111112221121012
4 Quaternary 1102031223320
5 Quinary 21004124424
6 Senary 2045533052
8 Octal 122155370
10 Decimal 21551864
12 Duodecimal 7274188
16 Hexadecimal 148daf8
20 Vigesimal 6edjd4
36 Base36 ctxiw

Cryptographic Hash Functions

md5 64e98a5c132cf98f1095adabf60a3cfa
sha1 4e179761ad25e5a5da931238b6036884800a9dd3
sha256 d890393e79ad3f506858502d8b46fd691e038411441325cd6e10843910d11402
sha512 89a46351c22b904b0eb23f7d152241ee1f3ad935b883e238e57faa798ceb1c401a050211bb79a0542c09236128cff2490554bbe620d03946aafb18a96804a68c
ripemd-160 fc3b4f4eadd2a53376b2d139dfa9fb77e7abf54d

21551864 as geometric shapes

Circle

Radius = n
Diameter 43103728
Circumference 135414355.22713
Area 1.4592158837514E+15

Sphere

Radius = n
Volume 4.1931763031001E+22
Surface area 5.8368635350057E+15
Circumference 135414355.22713

Square

Length = n
Perimeter 86207456
Area 464482841874496
Diagonal 30478938.36322

Cube

Length = n
Surface area 2786897051246976
Volume 1.0010471038413E+22
Space diagonal 37328923.445815

Equilateral Triangle

Length = n
Perimeter 64655592
Area 2.0112697034265E+14
Altitude 18664461.722907

Triangular Pyramid

Length = n
Surface area 2.0112697034265E+14
Volume 1.1797453256889E+21
Height 10159646.121073