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

21490745 (number)

21490745 is an odd 8-digits composite number following 21490744 and preceding 21490746. In scientific notation, it is written as 2.1490745 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 17192592 positive integers (up to 21490745) that are relatively prime to 21490745.

Interesting facts

21490745 has 4 divisors, whose sum is 25788900
The reverse of 21490745 is 54709412
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million four hundred ninety thousand seven hundred forty-five

Notation

Scientific notation	2.1490745 × 10^7
Engineering notation	2.1490745 × 10^6

Prime Factorization of 21490745

Prime Factorization 5 × 4298149

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490745	Product of the distinct prime numbers

The prime factorization of 21490745 is 5 × 4298149. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 74, 95, 85, 709, 1671, 8794, 44985, 77328, 826796, 910385, 7871082, 9503903, 85090368, 56780864, 878012041, 988552077, 1615193969, 3426680844

Basic calculations (n = 21490745)

Multiplication

n×y

n×2	42981490
n×3	64472235
n×4	85962980
n×5	107453725

Division

n÷y

n÷2	10745372.5
n÷3	7163581.6666667
n÷3	5372686.25
n÷5	4298149

Exponentiation

n^y

n²	461852120655025
n³	9.9255461527064E+21
n⁴	2.1330738135354E+29
n⁵	4.5841345392868E+36

Nth Root

^y√n

²√n	4635.8111480085
³√n	278.02498352148
⁴√n	68.086791288829
⁵√n	29.271858304663

Divisors of 21490745

1, 5, 4298149, 21490745

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	-21490744	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 21490745 can be divided by 4 positive divisors. The sum of these divisors (counting 21490745) is 1, the average is 0.25.

Base conversion 21490745

Base	System	Value
2	Binary	1010001111110110000111001
3	Ternary	1111102211202112
4	Quaternary	1101332300321
5	Quinary	21000200440
6	Senary	2044342105
8	Octal	121766071
10	Decimal	21490745
12	Duodecimal	7244935
16	Hexadecimal	147ec39
20	Vigesimal	6e66h5
36	Base36	csmd5

Cryptographic Hash Functions

md5	e5a23add09ef5e38ac0b07869beb623a
sha1	5b95e92d0873adda2967c7d5f4a9b1dd14b3c7b5
sha256	58ffcf3003e6b456438ba02dfda1d12610a9fd0990edfa226a0ed292bdaceb44
sha512	358b1c53fa8b156de412f50fbe71b1c534cc1a40c49bf0870f8464b1b870257e22c072cbda80e5d5142c6121dbf6b08c6361a46e2d70497e5527107f84bf6806
ripemd-160	fdfc4f47a415e36406be8607e6de3d51b845c7eb

21490745 as geometric shapes

Circle

Radius = n

Diameter	42981490
Circumference	135030333.22434
Area	1.4509512292947E+15

Sphere

Radius = n

Volume	4.1576030501612E+22
Surface area	5.8038049171788E+15
Circumference	135030333.22434

Square

Length = n

Perimeter	85962980
Area	461852120655025
Diagonal	30392503.044502

Cube

Length = n

Surface area	2771112723930150
Volume	9.9255461527064E+21
Space diagonal	37223062.232507

Equilateral Triangle

Length = n

Perimeter	64472235
Area	1.9998783463948E+14
Altitude	18611531.116253

Triangular Pyramid

Length = n

Surface area	1.9998783463948E+14
Volume	1.1697368319265E+21
Height	10130834.348167