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

21301981 (number)

21301981 is an odd 8-digits composite number following 21301980 and preceding 21301982. In scientific notation, it is written as 2.1301981 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21171132 positive integers (up to 21301981) that are relatively prime to 21301981.

Interesting facts

21301981 has 4 divisors, whose sum is 21432832
The reverse of 21301981 is 18910312
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million three hundred one thousand nine hundred eighty-one

Notation

Scientific notation	2.1301981 × 10^7
Engineering notation	2.1301981 × 10^6

Prime Factorization of 21301981

Prime Factorization 163 × 130687

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21301981	Product of the distinct prime numbers

The prime factorization of 21301981 is 163 × 130687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 27, 46, 255, 296, 2989, 7544, 37952, 275, 684918, 426476, 352618, 1795092, 53921789, 78223290, 564212848, 272088307, 2185133744, 6173555116

Basic calculations (n = 21301981)

Multiplication

n×y

n×2	42603962
n×3	63905943
n×4	85207924
n×5	106509905

Division

n÷y

n÷2	10650990.5
n÷3	7100660.3333333
n÷3	5325495.25
n÷5	4260396.2

Exponentiation

n^y

n²	453774394524361
n³	9.6662935304444E+21
n⁴	2.0591120112595E+29
n⁵	4.3863164940722E+36

Nth Root

^y√n

²√n	4615.4069159718
³√n	277.20857754178
⁴√n	67.936786176355
⁵√n	29.220254796221

Divisors of 21301981

1, 163, 130687, 21301981

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	-21301980	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 21301981 can be divided by 4 positive divisors. The sum of these divisors (counting 21301981) is 1, the average is 0.25.

Base conversion 21301981

Base	System	Value
2	Binary	1010001010000101011011101
3	Ternary	1111002020211021
4	Quaternary	1101100223131
5	Quinary	20423130411
6	Senary	2040324141
8	Octal	121205335
10	Decimal	21301981
12	Duodecimal	7173651
16	Hexadecimal	1450add
20	Vigesimal	6d2ej1
36	Base36	cokpp

Cryptographic Hash Functions

md5	4d94c1dbda0cbfe00a735e3dd48f529f
sha1	1027bbadf35412d812f85af3bd192fb09ab8559f
sha256	59e37fbf2de3a0ba6ac086fc18aa3aead69314c10c68cdbdeecbed24097ac55a
sha512	78e3def7433ac65bfe62dead6935b262321bb1365f45fe2bb576a1c80c56320c5718c2a9c3e1a1a77213b36b81dfacfcbd32a16d31e33cdc567c1ab525f03c4f
ripemd-160	d96f3ef0b1dd6fc3f0f8f118707bbf4125c5dd36

21301981 as geometric shapes

Circle

Radius = n

Diameter	42603962
Circumference	133844294.03302
Area	1.4255743042249E+15

Sphere

Radius = n

Volume	4.0490075656916E+22
Surface area	5.7022972168996E+15
Circumference	133844294.03302

Square

Length = n

Perimeter	85207924
Area	453774394524361
Diagonal	30125550.435614

Cube

Length = n

Surface area	2722646367146166
Volume	9.6662935304444E+21
Space diagonal	36896113.393867

Equilateral Triangle

Length = n

Perimeter	63905943
Area	1.964900766225E+14
Altitude	18448056.696933

Triangular Pyramid

Length = n

Surface area	1.964900766225E+14
Volume	1.1391836173862E+21
Height	10041850.145205