21551880 (number)

21551880 is an even 8-digits composite number following 21551879 and preceding 21551881. In scientific notation, it is written as 2.1551880 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 4925952 positive integers (up to 21551880) that are relatively prime to 21551880.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand eight hundred eighty

Notation

Scientific notation 2.1551880 × 10^7
Engineering notation 2.1551880 × 10^6

Prime Factorization of 21551880

Prime Factorization 2 × 2 × 2 × 3 × 35 × 25657

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5387970
Product of the distinct prime numbers

The prime factorization of 21551880 is 2 × 2 × 2 × 3 × 35 × 25657. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 8, 14, 42, 76, 799, 9472, 6763, 63515, 42944, 581008, 160117, 7002490, 7532046, 46858129, 14299592, 563675209, 271006726, 8231026229, 144147622

Basic calculations (n = 21551880)

Multiplication

n×y
n×2 43103760
n×3 64655640
n×4 86207520
n×5 107759400

Division

n÷y
n÷2 10775940
n÷3 7183960
n÷3 5387970
n÷5 4310376

Exponentiation

ny
n2 464483531534400
n3 1.0010493333606E+22
n4 2.1574495106667E+29
n5 4.6497092959947E+36

Nth Root

y√n
2√n 4642.4002412545
3√n 278.28836768276
4√n 68.135161563282
5√n 29.288493393309

Divisors of 21551880

1, 2, 3, 4, 6, 8, 12, 24, 35, 70, 105, 140, 210, 280, 420, 840, 25657, 51314, 76971, 102628, 153942, 205256, 307884, 615768, 897995, 1795990, 2693985, 3591980, 5387970, 7183960, 10775940, 21551880

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551880 can be divided by 32 positive divisors. The sum of these divisors (counting 21551880) is 1, the average is 0.03125.

Base conversion 21551880

Base System Value
2 Binary 1010010001101101100001000
3 Ternary 1111112221121210
4 Quaternary 1102031230020
5 Quinary 21004130010
6 Senary 2045533120
8 Octal 122155410
10 Decimal 21551880
12 Duodecimal 72741a0
16 Hexadecimal 148db08
20 Vigesimal 6edje0
36 Base36 ctxjc

Cryptographic Hash Functions

md5 aa9452e3dd1359bb981ee309e792a710
sha1 b49f54f2a7f64bc09f30a12606f7636e1d109e68
sha256 ce7abfed4740401345c6121d232b6535ebbc5f01ed223ba2fc831a259b6de718
sha512 c47c7a59055abe76f25547ffd54696eaa9990346dd00648fc11e0dd46d6da4cc42c391996b32edfc38d34232498d226f9c5bc554903b8b4e97cc0145f03925b7
ripemd-160 dae3c23a00abbeb71e54210a021e301241253419

21551880 as geometric shapes

Circle

Radius = n
Diameter 43103760
Circumference 135414455.7581
Area 1.4592180503819E+15

Sphere

Radius = n
Volume 4.1931856420887E+22
Surface area 5.8368722015277E+15
Circumference 135414455.7581

Square

Length = n
Perimeter 86207520
Area 464483531534400
Diagonal 30478960.990637

Cube

Length = n
Surface area 2786901189206400
Volume 1.0010493333606E+22
Space diagonal 37328951.158628

Equilateral Triangle

Length = n
Perimeter 64655640
Area 2.0112726897415E+14
Altitude 18664475.579314

Triangular Pyramid

Length = n
Surface area 2.0112726897415E+14
Volume 1.1797479532025E+21
Height 10159653.663546