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

20921749 (number)

20921749 is an odd 8-digits composite number following 20921748 and preceding 20921750. In scientific notation, it is written as 2.0921749 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20912364 positive integers (up to 20921749) that are relatively prime to 20921749.

Interesting facts

20921749 has 4 divisors, whose sum is 20931136
The reverse of 20921749 is 94712902
Previous prime number is 3643

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty million nine hundred twenty-one thousand seven hundred forty-nine

Notation

Scientific notation	2.0921749 × 10^7
Engineering notation	2.0921749 × 10^6

Prime Factorization of 20921749

Prime Factorization 3643 × 5743

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20921749	Product of the distinct prime numbers

The prime factorization of 20921749 is 3643 × 5743. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 1, 76, 129, 653, 3523, 8710, 66872, 49300, 184272, 93767, 7566498, 8338518, 91327618, 52487995, 938060884, 222127180, 4108999778, 624941761

Basic calculations (n = 20921749)

Multiplication

n×y

n×2	41843498
n×3	62765247
n×4	83686996
n×5	104608745

Division

n÷y

n÷2	10460874.5
n÷3	6973916.3333333
n÷3	5230437.25
n÷5	4184349.8

Exponentiation

n^y

n²	437719581219001
n³	9.1578592106491E+21
n⁴	1.9159843178254E+29
n⁵	4.0085742985479E+36

Nth Root

^y√n

²√n	4574.0298424912
³√n	275.54931083976
⁴√n	67.63157430144
⁵√n	29.115187917128

Divisors of 20921749

1, 3643, 5743, 20921749

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	-20921748	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 20921749 can be divided by 4 positive divisors. The sum of these divisors (counting 20921749) is 1, the average is 0.25.

Base conversion 20921749

Base	System	Value
2	Binary	1001111110011110110010101
3	Ternary	1110100221020121
4	Quaternary	1033303312111
5	Quinary	20323443444
6	Senary	2024231541
8	Octal	117636625
10	Decimal	20921749
12	Duodecimal	700b5b1
16	Hexadecimal	13f3d95
20	Vigesimal	6af479
36	Base36	cgfbp

Cryptographic Hash Functions

md5	c4ba53c273e0142fbc54024464a79e73
sha1	2da94780ba057e170fdced1c765b8aabe08d02e1
sha256	9db15eab5abf0b67b5dd4282db177e0648d0a40c48991774feaa077d93645210
sha512	1c4be329ae59bac5983f90ca9009591115b7f26749c63db829834e6af64bb278bf49cf633bfca83770846c7b0379b7dda412d41941bc7765616474093877196b
ripemd-160	98c1b272ea2f3e8bb492277c741631b11ec3a985

20921749 as geometric shapes

Circle

Radius = n

Diameter	41843498
Circumference	131455225.9173
Area	1.37513662069E+15

Sphere

Radius = n

Volume	3.836035095838E+22
Surface area	5.5005464827601E+15
Circumference	131455225.9173

Square

Length = n

Perimeter	83686996
Area	437719581219001
Diagonal	29587821.184366

Cube

Length = n

Surface area	2626317487314006
Volume	9.1578592106491E+21
Space diagonal	36237532.251203

Equilateral Triangle

Length = n

Perimeter	62765247
Area	1.8953813853477E+14
Altitude	18118766.125602

Triangular Pyramid

Length = n

Surface area	1.8953813853477E+14
Volume	1.0792640581669E+21
Height	9862607.0614552