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

21492947 (number)

21492947 is an odd 8-digits composite number following 21492946 and preceding 21492948. In scientific notation, it is written as 2.1492947 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 17169408 positive integers (up to 21492947) that are relatively prime to 21492947.

Interesting facts

21492947 has 8 divisors, whose sum is 21885600
The reverse of 21492947 is 74929412
Previous prime number is 109

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million four hundred ninety-two thousand nine hundred forty-seven

Notation

Scientific notation	2.1492947 × 10^7
Engineering notation	2.1492947 × 10^6

Prime Factorization of 21492947

Prime Factorization 119 × 109 × 1657

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492947	Product of the distinct prime numbers

The prime factorization of 21492947 is 119 × 109 × 1657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 26, 62, 181, 983, 3218, 4751, 54532, 7138, 943311, 816268, 3124987, 7727078, 73160153, 70479233, 435173656, 434435296, 8081145008, 9147268801

Basic calculations (n = 21492947)

Multiplication

n×y

n×2	42985894
n×3	64478841
n×4	85971788
n×5	107464735

Division

n÷y

n÷2	10746473.5
n÷3	7164315.6666667
n÷3	5373236.75
n÷5	4298589.4

Exponentiation

n^y

n²	461946770744809
n³	9.9285974604393E+21
n⁴	2.1339481900156E+29
n⁵	4.5864835348751E+36

Nth Root

^y√n

²√n	4636.0486408147
³√n	278.03447892838
⁴√n	68.088535311128
⁵√n	29.272458134872

Divisors of 21492947

1, 109, 119, 1657, 12971, 180613, 197183, 21492947

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21492946	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492947 can be divided by 8 positive divisors. The sum of these divisors (counting 21492947) is 1, the average is 0.125.

Base conversion 21492947

Base	System	Value
2	Binary	1010001111111010011010011
3	Ternary	1111102221210002
4	Quaternary	1101333103103
5	Quinary	21000233242
6	Senary	2044400215
8	Octal	121772323
10	Decimal	21492947
12	Duodecimal	724606b
16	Hexadecimal	147f4d3
20	Vigesimal	6e6c77
36	Base36	cso2b

Cryptographic Hash Functions

md5	20b6c13b8a257386c813e03f4c21c44b
sha1	6bd3344333ba69ea1c09617599bfc1646a509ac0
sha256	2d5c5e1d25addbcc64b71b64dbcf7f260831935796e1c32912bb90db2fc6c3bb
sha512	8a9e56c1cf615a3efee333c1eb3657a7775ea63c61ea62bc5b241b080a6b7c761c6b39232b4c7d323f7df40b954eb33dc920f70e904fbdad44978fa7aa7d4b79
ripemd-160	66abecb8ed8228513887500178640f2e4d2b9592

21492947 as geometric shapes

Circle

Radius = n

Diameter	42985894
Circumference	135044168.79839
Area	1.4512485813214E+15

Sphere

Radius = n

Volume	4.1588811789555E+22
Surface area	5.8049943252857E+15
Circumference	135044168.79839

Square

Length = n

Perimeter	85971788
Area	461946770744809
Diagonal	30395617.142766

Cube

Length = n

Surface area	2771680624468854
Volume	9.9285974604393E+21
Space diagonal	37226876.208385

Equilateral Triangle

Length = n

Perimeter	64478841
Area	2.000288193306E+14
Altitude	18613438.104193

Triangular Pyramid

Length = n

Surface area	2.000288193306E+14
Volume	1.1700964319914E+21
Height	10131872.380922