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

21376987 (number)

21376987 is an odd 8-digits composite number following 21376986 and preceding 21376988. In scientific notation, it is written as 2.1376987 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 21303736 positive integers (up to 21376987) that are relatively prime to 21376987.

Interesting facts

21376987 has 4 divisors, whose sum is 21450240
The reverse of 21376987 is 78967312
Previous prime number is 293

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.1376987 × 10^7
Engineering notation	2.1376987 × 10^6

Prime Factorization of 21376987

Prime Factorization 293 × 72959

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21376987	Product of the distinct prime numbers

The prime factorization of 21376987 is 293 × 72959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 41, 11, 773, 713, 5287, 2084, 34352, 37103, 691576, 312936, 6625696, 4995714, 41915339, 73995766, 254170135, 453378103, 9174398834, 4478264570

Basic calculations (n = 21376987)

Multiplication

n×y

n×2	42753974
n×3	64130961
n×4	85507948
n×5	106884935

Division

n÷y

n÷2	10688493.5
n÷3	7125662.3333333
n÷3	5344246.75
n÷5	4275397.4

Exponentiation

n^y

n²	456975573198169
n³	9.7687608875748E+21
n⁴	2.088266744998E+29
n⁵	4.4640851060354E+36

Nth Root

^y√n

²√n	4623.5253865422
³√n	277.53355436584
⁴√n	67.996510105609
⁵√n	29.240803252097

Divisors of 21376987

1, 293, 72959, 21376987

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21376986	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21376987 can be divided by 4 positive divisors. The sum of these divisors (counting 21376987) is 1, the average is 0.25.

Base conversion 21376987

Base	System	Value
2	Binary	1010001100010111111011011
3	Ternary	1111020001201021
4	Quaternary	1101202333123
5	Quinary	20433030422
6	Senary	2042103311
8	Octal	121427733
10	Decimal	21376987
12	Duodecimal	71aab37
16	Hexadecimal	1462fdb
20	Vigesimal	6dc297
36	Base36	cq6l7

Cryptographic Hash Functions

md5	934a82d1760198aef11b2e8399eb0ef0
sha1	72cf5e134ce890fb4719003090848adfbed2de1a
sha256	9893e46565458b9128ec4c61de77ca72a1540a63b8992a0c8dd42670806fec60
sha512	7ce4007fb1667c1455c2026e89b3a261ab8a97896204b8b4f4ab9b3113965105aebb48e5e32a36fb0d3918d02e5151356b72d2f3648475d5f5cf53ba6ad3aa2b
ripemd-160	b2ca35cc83dc29e9020e8138f7887878971a7292

21376987 as geometric shapes

Circle

Radius = n

Diameter	42753974
Circumference	134315570.63017
Area	1.4356311036294E+15

Sphere

Radius = n

Volume	4.0919289918774E+22
Surface area	5.7425244145174E+15
Circumference	134315570.63017

Square

Length = n

Perimeter	85507948
Area	456975573198169
Diagonal	30231624.938073

Cube

Length = n

Surface area	2741853439189014
Volume	9.7687608875748E+21
Space diagonal	37026027.596739

Equilateral Triangle

Length = n

Perimeter	64130961
Area	1.9787622764928E+14
Altitude	18513013.79837

Triangular Pyramid

Length = n

Surface area	1.9787622764928E+14
Volume	1.1512595112323E+21
Height	10077208.312691