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

21031649 (number)

21031649 is an odd 8-digits composite number following 21031648 and preceding 21031650. In scientific notation, it is written as 2.1031649 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20962836 positive integers (up to 21031649) that are relatively prime to 21031649.

Interesting facts

21031649 has 4 divisors, whose sum is 21100464
The reverse of 21031649 is 94613012
Previous prime number is 307

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million thirty-one thousand six hundred forty-nine

Notation

Scientific notation	2.1031649 × 10^7
Engineering notation	2.1031649 × 10^6

Prime Factorization of 21031649

Prime Factorization 307 × 68507

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031649	Product of the distinct prime numbers

The prime factorization of 21031649 is 307 × 68507. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 3, 84, 40, 767, 4051, 5037, 90678, 21725, 981160, 835793, 7067997, 6553752, 87885201, 63990703, 81027531, 500094835, 3508269264, 5570897295

Basic calculations (n = 21031649)

Multiplication

n×y

n×2	42063298
n×3	63094947
n×4	84126596
n×5	105158245

Division

n÷y

n÷2	10515824.5
n÷3	7010549.6666667
n÷3	5257912.25
n÷5	4206329.8

Exponentiation

n^y

n²	442330259659201
n³	9.3029347632312E+21
n⁴	1.9565605861018E+29
n⁵	4.1149695494127E+36

Nth Root

^y√n

²√n	4586.0275838682
³√n	276.03094678548
⁴√n	67.720215474171
⁵√n	29.145711723236

Divisors of 21031649

1, 307, 68507, 21031649

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	-21031648	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 21031649 can be divided by 4 positive divisors. The sum of these divisors (counting 21031649) is 1, the average is 0.25.

Base conversion 21031649

Base	System	Value
2	Binary	1010000001110101011100001
3	Ternary	1110120111222222
4	Quaternary	1100032223201
5	Quinary	20341003044
6	Senary	2030440425
8	Octal	120165341
10	Decimal	21031649
12	Duodecimal	7063115
16	Hexadecimal	140eae1
20	Vigesimal	6b8j29
36	Base36	cis4h

Cryptographic Hash Functions

md5	a65051673064f78454b2d081dc671ab3
sha1	44e2a51e67b32ad8c7c256a4807ca1404aa4ca84
sha256	d87a3a3af1ef6fdcde5d60817cbdad065647be15e4e174ae5bd4d20aad966ab3
sha512	b71e20a9f8f9f009622a13ca372927af57d6f600b23891d6a00859bb5c344f90d50f8a526255c895df4c895bb4556b5d632b3626ca1a0f575f0ead38e10f142d
ripemd-160	ff3816800cc037342c419db9f8550523c34d5e4e

21031649 as geometric shapes

Circle

Radius = n

Diameter	42063298
Circumference	132145747.98256
Area	1.3896214942058E+15

Sphere

Radius = n

Volume	3.896804201199E+22
Surface area	5.5584859768232E+15
Circumference	132145747.98256

Square

Length = n

Perimeter	84126596
Area	442330259659201
Diagonal	29743243.254871

Cube

Length = n

Surface area	2653981557955206
Volume	9.3029347632312E+21
Space diagonal	36427884.634955

Equilateral Triangle

Length = n

Perimeter	63094947
Area	1.9153462086372E+14
Altitude	18213942.317478

Triangular Pyramid

Length = n

Surface area	1.9153462086372E+14
Volume	1.0963613760028E+21
Height	9914414.4182902