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

21492951 (number)

21492951 is an odd 8-digits composite number following 21492950 and preceding 21492952. In scientific notation, it is written as 2.1492951 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13866360 positive integers (up to 21492951) that are relatively prime to 21492951.

Interesting facts

21492951 has 8 divisors, whose sum is 29581824
The reverse of 21492951 is 15929412
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million four hundred ninety-two thousand nine hundred fifty-one

Notation

Scientific notation	2.1492951 × 10^7
Engineering notation	2.1492951 × 10^6

Prime Factorization of 21492951

Prime Factorization 3 × 31 × 231107

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492951	Product of the distinct prime numbers

The prime factorization of 21492951 is 3 × 31 × 231107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 20, 22, 140, 307, 9150, 9624, 18030, 7275, 611931, 163297, 5293974, 1344566, 33266927, 63557128, 520271598, 621732561, 5307679169, 5251798584

Basic calculations (n = 21492951)

Multiplication

n×y

n×2	42985902
n×3	64478853
n×4	85971804
n×5	107464755

Division

n÷y

n÷2	10746475.5
n÷3	7164317
n÷3	5373237.75
n÷5	4298590.2

Exponentiation

n^y

n²	461946942688401
n³	9.9286030038016E+21
n⁴	2.1339497785916E+29
n⁵	4.586487802773E+36

Nth Root

^y√n

²√n	4636.0490722166
³√n	278.03449617649
⁴√n	68.088538479076
⁵√n	29.272459224437

Divisors of 21492951

1, 3, 31, 93, 231107, 693321, 7164317, 21492951

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	-21492950	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 21492951 can be divided by 8 positive divisors. The sum of these divisors (counting 21492951) is 1, the average is 0.125.

Base conversion 21492951

Base	System	Value
2	Binary	1010001111111010011010111
3	Ternary	1111102221210020
4	Quaternary	1101333103113
5	Quinary	21000233301
6	Senary	2044400223
8	Octal	121772327
10	Decimal	21492951
12	Duodecimal	7246073
16	Hexadecimal	147f4d7
20	Vigesimal	6e6c7b
36	Base36	cso2f

Cryptographic Hash Functions

md5	8bb675d4698d461afe34bea4b61f9dd5
sha1	e828f3b39cf77e4cbe4c036444dc2655014b2a34
sha256	29df8f5cfebf64f2372b230976e356ffb3c7fb26a03c1024b81e071250eac77b
sha512	58d91ccb41585edd805e0afd37d2f86153ea3525bc9290e8fe4e29fa0182b7d55e65bbedd6da945a4b1a7aa92e1e275f6c1db3612c87287ad6e1a9f123a8b711
ripemd-160	c297d4326997543ee812d6e37818a289d1cb346c

21492951 as geometric shapes

Circle

Radius = n

Diameter	42985902
Circumference	135044193.93113
Area	1.4512491214981E+15

Sphere

Radius = n

Volume	4.1588835009537E+22
Surface area	5.8049964859926E+15
Circumference	135044193.93113

Square

Length = n

Perimeter	85971804
Area	461946942688401
Diagonal	30395622.79962

Cube

Length = n

Surface area	2771681656130406
Volume	9.9286030038016E+21
Space diagonal	37226883.136588

Equilateral Triangle

Length = n

Perimeter	64478853
Area	2.0002889378435E+14
Altitude	18613441.568294

Triangular Pyramid

Length = n

Surface area	2.0002889378435E+14
Volume	1.1700970852829E+21
Height	10131874.26654