21387977, twenty-one million three hundred eighty-seven thousand nine hundred seventy-seven: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

Interesting facts

21387977 has 16 divisors, whose sum is 24467520
The reverse of 21387977 is 77978312
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	twenty-one million three hundred eighty-seven thousand nine hundred seventy-seven

Notation

Scientific notation	2.1387977 × 10^7
Engineering notation	2.1387977 × 10^6

Prime Factorization of 21387977

Prime Factorization 13 × 19 × 131 × 661

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21387977	Product of the distinct prime numbers

The prime factorization of 21387977 is 13 × 19 × 131 × 661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 91, 51, 60, 43, 8170, 2668, 34172, 75038, 715683, 255142, 7745096, 1374333, 76463061, 14921366, 211579712, 549481172, 4420608044, 4194679235

Basic calculations (n = 21387977)

Multiplication

n×y

n×2	42775954
n×3	64163931
n×4	85551908
n×5	106939885

Division

n÷y

n÷2	10693988.5
n÷3	7129325.6666667
n÷3	5346994.25
n÷5	4277595.4

Exponentiation

n^y

n²	457445560152529
n³	9.7838351192944E+21
n⁴	2.0925644050326E+29
n⁵	4.4755719365856E+36

Nth Root

^y√n

²√n	4624.7137208696
³√n	277.58110661168
⁴√n	68.00524774508
⁵√n	29.243809198293

Divisors of 21387977

1, 13, 19, 131, 247, 661, 1703, 2489, 8593, 12559, 32357, 86591, 163267, 1125683, 1645229, 21387977

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	-21387976	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 21387977 can be divided by 16 positive divisors. The sum of these divisors (counting 21387977) is 1, the average is 0.0625.

Base conversion 21387977

Base	System	Value
2	Binary	1010001100101101011001001
3	Ternary	1111020121210022
4	Quaternary	1101211223021
5	Quinary	20433403402
6	Senary	2042230225
8	Octal	121455311
10	Decimal	21387977
12	Duodecimal	71b5375
16	Hexadecimal	1465ac9
20	Vigesimal	6dd9ih
36	Base36	cqf2h

Cryptographic Hash Functions

md5	a40db3c362e6ba29c79d0b6de3eb4ee7
sha1	b66e3356733293227506583b6cb579fe1b18533d
sha256	f8ec9326592d93a70369697ca88b3b084a2ea60b52d51f5d446c8d90455c7f8e
sha512	70590669279b5051de8f5be466dec0a164e774c2d1bc53ab6625ef7bd9b4225ba9474f12809605ef67328c63ab1c34b606bfebdd63a96198db74691da9f1bfa8
ripemd-160	667378fec7b8cff65f9cdd5c40a1834525fce2e8

21387977 as geometric shapes

Circle

Radius = n

Diameter	42775954
Circumference	134384622.83669
Area	1.4371076111925E+15

Sphere

Radius = n

Volume	4.0982432712945E+22
Surface area	5.7484304447698E+15
Circumference	134384622.83669

Square

Length = n

Perimeter	85551908
Area	457445560152529
Diagonal	30247167.145124

Cube

Length = n

Surface area	2744673360915174
Volume	9.7838351192944E+21
Space diagonal	37045062.835115

Equilateral Triangle

Length = n

Perimeter	64163931
Area	1.9807973797025E+14
Altitude	18522531.417557

Triangular Pyramid

Length = n

Surface area	1.9807973797025E+14
Volume	1.1530360264774E+21
Height	10082389.048375