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

21000381 (number)

21000381 is an odd 8-digits composite number following 21000380 and preceding 21000382. In scientific notation, it is written as 2.1000381 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 14000252 positive integers (up to 21000381) that are relatively prime to 21000381.

Interesting facts

21000381 has 4 divisors, whose sum is 28000512
The reverse of 21000381 is 18300012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

Name	twenty-one million three hundred eighty-one

Notation

Scientific notation	2.1000381 × 10^7
Engineering notation	2.1000381 × 10^6

Prime Factorization of 21000381

Prime Factorization 3 × 7000127

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000381	Product of the distinct prime numbers

The prime factorization of 21000381 is 3 × 7000127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 74, 67, 367, 125, 2256, 5318, 99276, 28158, 57256, 553533, 3170141, 6836583, 74363256, 18624475, 241698961, 965235857, 8322603967, 1728938496

Basic calculations (n = 21000381)

Multiplication

n×y

n×2	42000762
n×3	63001143
n×4	84001524
n×5	105001905

Division

n÷y

n÷2	10500190.5
n÷3	7000127
n÷3	5250095.25
n÷5	4200076.2

Exponentiation

n^y

n²	441016002145161
n³	9.2615040721452E+21
n⁴	1.944951141481E+29
n⁵	4.0844714997486E+36

Nth Root

^y√n

²√n	4582.6172652754
³√n	275.89408612026
⁴√n	67.695031318963
⁵√n	29.137040310443

Divisors of 21000381

1, 3, 7000127, 21000381

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	-21000380	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 21000381 can be divided by 4 positive divisors. The sum of these divisors (counting 21000381) is 1, the average is 0.25.

Base conversion 21000381

Base	System	Value
2	Binary	1010000000111000010111101
3	Ternary	1110111221002220
4	Quaternary	1100013002331
5	Quinary	20334003011
6	Senary	2030035553
8	Octal	120070275
10	Decimal	21000381
12	Duodecimal	7048bb9
16	Hexadecimal	14070bd
20	Vigesimal	6b50j1
36	Base36	ci3zx

Cryptographic Hash Functions

md5	9fba073c3f499b88660d600fb23bbed4
sha1	961975ff758f10fed2b629c73fb0d153ddc5b579
sha256	62969d6af618302cfd4c018dbff35695e58f831887a0e154e5eadcab243c4278
sha512	999f37adefeb4463121d065b57f418302717543197c91b7979564e1b36a5fe2cbed2201511a5493be3cd98b63772ef1bee754cfab492efd1b9a8f68a4409196f
ripemd-160	1bf2eebb77b8170e6b133cb165745e895b80f09e

21000381 as geometric shapes

Circle

Radius = n

Diameter	42000762
Circumference	131949285.34437
Area	1.3854926324548E+15

Sphere

Radius = n

Volume	3.8794497538991E+22
Surface area	5.5419705298191E+15
Circumference	131949285.34437

Square

Length = n

Perimeter	84001524
Area	441016002145161
Diagonal	29699023.625202

Cube

Length = n

Surface area	2646096012870966
Volume	9.2615040721452E+21
Space diagonal	36373726.870304

Equilateral Triangle

Length = n

Perimeter	63001143
Area	1.9096553066658E+14
Altitude	18186863.435152

Triangular Pyramid

Length = n

Surface area	1.9096553066658E+14
Volume	1.0914787222334E+21
Height	9899674.5417341