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

21000001 (number)

21000001 is an odd 8-digits composite number following 21000000 and preceding 21000002. In scientific notation, it is written as 2.1000001 × 10^7. The sum of its digits is 4. It has a total of 2 prime factors and 4 positive divisors. There are 19090900 positive integers (up to 21000001) that are relatively prime to 21000001.

Interesting facts

21000001 has 4 divisors, whose sum is 22909104
The reverse of 21000001 is 10000012
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 4
Digital Root 4

Name

Name	twenty-one million one

Notation

Scientific notation	2.1000001 × 10^7
Engineering notation	2.1000001 × 10^6

Prime Factorization of 21000001

Prime Factorization 11 × 1909091

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000001	Product of the distinct prime numbers

The prime factorization of 21000001 is 11 × 1909091. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 48, 87, 477, 15, 3002, 9578, 9716, 70722, 852331, 894317, 4261040, 8409383, 13321540, 97109603, 923437083, 905197616, 8583309010, 7267583273

Basic calculations (n = 21000001)

Multiplication

n×y

n×2	42000002
n×3	63000003
n×4	84000004
n×5	105000005

Division

n÷y

n÷2	10500000.5
n÷3	7000000.3333333
n÷3	5250000.25
n÷5	4200000.2

Exponentiation

n^y

n²	441000042000001
n³	9.2610013230001E+21
n⁴	1.94481037044E+29
n⁵	4.0841019724051E+36

Nth Root

^y√n

²√n	4582.5758040648
³√n	275.89242201736
⁴√n	67.694725083014
⁵√n	29.136934863257

Divisors of 21000001

1, 11, 1909091, 21000001

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	-21000000	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 21000001 can be divided by 4 positive divisors. The sum of these divisors (counting 21000001) is 1, the average is 0.25.

Base conversion 21000001

Base	System	Value
2	Binary	1010000000110111101000001
3	Ternary	1110111220120211
4	Quaternary	1100012331001
5	Quinary	20334000001
6	Senary	2030034121
8	Octal	120067501
10	Decimal	21000001
12	Duodecimal	7048941
16	Hexadecimal	1406f41
20	Vigesimal	6b5001
36	Base36	ci3pd

Cryptographic Hash Functions

md5	87330ed7aebcf47b84204d6562138f9f
sha1	1d4032fe84a2f638a92576fc17b9213e551b92c8
sha256	7f02b476a6c382e495556b22d6e5e1f8b22af254aef3ba112be3c480f0238aed
sha512	7c46fb43f7d480c695e02db7b272404f83bf0a04aaa55c1ff00dc2b63609e8335433107212fdda163384bb2dc2473f4e6c3e423f7c2142fbe373fed05fe0e1a5
ripemd-160	c4d15141f19e2709401921128a08906449d94cca

21000001 as geometric shapes

Circle

Radius = n

Diameter	42000002
Circumference	131946897.73396
Area	1.38544249218E+15

Sphere

Radius = n

Volume	3.8792391628296E+22
Surface area	5.54176996872E+15
Circumference	131946897.73396

Square

Length = n

Perimeter	84000004
Area	441000042000001
Diagonal	29698486.224049

Cube

Length = n

Surface area	2646000252000006
Volume	9.2610013230001E+21
Space diagonal	36373068.690997

Equilateral Triangle

Length = n

Perimeter	63000003
Area	1.90958619721E+14
Altitude	18186534.345499

Triangular Pyramid

Length = n

Surface area	1.90958619721E+14
Volume	1.0914194726785E+21
Height	9899495.4080162