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

21031451 (number)

21031451 is an odd 8-digits composite number following 21031450 and preceding 21031452. In scientific notation, it is written as 2.1031451 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 18026952 positive integers (up to 21031451) that are relatively prime to 21031451.

Interesting facts

21031451 has 4 divisors, whose sum is 24035952
The reverse of 21031451 is 15413012
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million thirty-one thousand four hundred fifty-one

Notation

Scientific notation	2.1031451 × 10^7
Engineering notation	2.1031451 × 10^6

Prime Factorization of 21031451

Prime Factorization 7 × 3004493

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031451	Product of the distinct prime numbers

The prime factorization of 21031451 is 7 × 3004493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 69, 6, 654, 860, 8258, 8941, 69988, 15464, 907490, 474479, 3171772, 118311, 23154504, 101645, 186154645, 751821811, 4390819876, 1402377982

Basic calculations (n = 21031451)

Multiplication

n×y

n×2	42062902
n×3	63094353
n×4	84125804
n×5	105157255

Division

n÷y

n÷2	10515725.5
n÷3	7010483.6666667
n÷3	5257862.75
n÷5	4206290.2

Exponentiation

n^y

n²	442321931165401
n³	9.3026720215305E+21
n⁴	1.9564869078989E+29
n⁵	4.1147758535617E+36

Nth Root

^y√n

²√n	4586.0059965072
³√n	276.0300805624
⁴√n	67.720056087596
⁵√n	29.145656845251

Divisors of 21031451

1, 7, 3004493, 21031451

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	-21031450	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 21031451 can be divided by 4 positive divisors. The sum of these divisors (counting 21031451) is 1, the average is 0.25.

Base conversion 21031451

Base	System	Value
2	Binary	1010000001110101000011011
3	Ternary	1110120111201122
4	Quaternary	1100032220123
5	Quinary	20341001301
6	Senary	2030435455
8	Octal	120165033
10	Decimal	21031451
12	Duodecimal	7062b8b
16	Hexadecimal	140ea1b
20	Vigesimal	6b8icb
36	Base36	ciryz

Cryptographic Hash Functions

md5	9488bf59bd39396b1b960a6115c33e04
sha1	257c24b9d7e51106ee65eddb9647d6bc728173a2
sha256	ecad9e533752840788ce011bba64e6bed85352d8cc06d2d79fafc975ea71f82b
sha512	67ca0578a098af5e70f51b3e3e907782e26c5ecd580bdd3168e14b58647673cada4611661ef9b65878efe77af5a56424158842c726c0c5ac2ad7fa81b4c2a828
ripemd-160	999cba16170674796660a307bc9bc34ec882fd20

21031451 as geometric shapes

Circle

Radius = n

Diameter	42062902
Circumference	132144503.91187
Area	1.3895953294709E+15

Sphere

Radius = n

Volume	3.8966941442127E+22
Surface area	5.5583813178835E+15
Circumference	132144503.91187

Square

Length = n

Perimeter	84125804
Area	442321931165401
Diagonal	29742963.240585

Cube

Length = n

Surface area	2653931586992406
Volume	9.3026720215305E+21
Space diagonal	36427541.688895

Equilateral Triangle

Length = n

Perimeter	63094353
Area	1.9153101452011E+14
Altitude	18213770.844448

Triangular Pyramid

Length = n

Surface area	1.9153101452011E+14
Volume	1.0963304115964E+21
Height	9914321.0801951