21087780 (number)

21087780 is an even 8-digits composite number following 21087779 and preceding 21087781. In scientific notation, it is written as 2.1087780 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 96 positive divisors. There are 4409856 positive integers (up to 21087780) that are relatively prime to 21087780.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand seven hundred eighty

Notation

Scientific notation 2.1087780 × 10^7
Engineering notation 2.1087780 × 10^6

Prime Factorization of 21087780

Prime Factorization 2 × 2 × 3 × 7 × 5 × 2183 × 23

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10543890
Product of the distinct prime numbers

The prime factorization of 21087780 is 2 × 2 × 3 × 7 × 5 × 2183 × 23. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 2, 42, 29, 201, 812, 8631, 5704, 29070, 75587, 299564, 25027, 1719968, 4488822, 27834210, 66080623, 698109864, 412671565, 2177998458, 6592055949

Basic calculations (n = 21087780)

Multiplication

n×y
n×2 42175560
n×3 63263340
n×4 84351120
n×5 105438900

Division

n÷y
n÷2 10543890
n÷3 7029260
n÷3 5271945
n÷5 4217556

Exponentiation

ny
n2 444694465328400
n3 9.3776190520629E+21
n4 1.9775316749371E+29
n5 4.1701752904105E+36

Nth Root

y√n
2√n 4592.1432904473
3√n 276.27629336897
4√n 67.7653546471
5√n 29.161252437548

Divisors of 21087780

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2183, 2415, 3220, 4366, 4830, 6549, 8732, 9660, 10915, 13098, 15281, 21830, 26196, 30562, 32745, 43660, 45843, 50209, 61124, 65490, 76405, 91686, 100418, 130980, 150627, 152810, 183372, 200836, 229215, 251045, 301254, 305620, 351463, 458430, 502090, 602508, 702926, 753135, 916860, 1004180, 1054389, 1405852, 1506270, 1757315, 2108778, 3012540, 3514630, 4217556, 5271945, 7029260, 10543890, 21087780

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087780 can be divided by 96 positive divisors. The sum of these divisors (counting 21087780) is 1, the average is 0.010416666666667.

Base conversion 21087780

Base System Value
2 Binary 1010000011100011000100100
3 Ternary 1110200100222220
4 Quaternary 1100130120210
5 Quinary 20344302110
6 Senary 2031552340
8 Octal 120343044
10 Decimal 21087780
12 Duodecimal 708b6b0
16 Hexadecimal 141c624
20 Vigesimal 6bfj90
36 Base36 cjzfo

Cryptographic Hash Functions

md5 6c3273b25d0cd09523b4fbd1cd1d361a
sha1 6ebcca57959fcaacdda44499f494733fa57624dd
sha256 cc88b50344d33541d4ffb00df7e261438984e50829beefae1d6fa3d59391555f
sha512 095d026b6be4373e925b70ea31bd8960172cb24aba674ffb8e669449892cf585180afffa5f2e1d603b0b59c6119849e2580a9e0065d00226479496b02c55f097
ripemd-160 ad62d4671ab31f09d6803dc9a96316b885cea6bb

21087780 as geometric shapes

Circle

Radius = n
Diameter 42175560
Circumference 132498429.45704
Area 1.3970488653677E+15

Sphere

Radius = n
Volume 3.9280878829499E+22
Surface area 5.588195461471E+15
Circumference 132498429.45704

Square

Length = n
Perimeter 84351120
Area 444694465328400
Diagonal 29822624.47634

Cube

Length = n
Surface area 2668166791970400
Volume 9.3776190520629E+21
Space diagonal 36525106.378835

Equilateral Triangle

Length = n
Perimeter 63263340
Area 1.9255835194837E+14
Altitude 18262553.189417

Triangular Pyramid

Length = n
Surface area 1.9255835194837E+14
Volume 1.1051630038496E+21
Height 9940874.8254467