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

21297745 (number)

21297745 is an odd 8-digits composite number following 21297744 and preceding 21297746. In scientific notation, it is written as 2.1297745 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 14099904 positive integers (up to 21297745) that are relatively prime to 21297745.

Interesting facts

21297745 has 8 divisors, whose sum is 22662720
The reverse of 21297745 is 54779212
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1297745 × 10^7
Engineering notation	2.1297745 × 10^6

Prime Factorization of 21297745

Prime Factorization 35 × 29 × 20983

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21297745	Product of the distinct prime numbers

The prime factorization of 21297745 is 35 × 29 × 20983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 79, 92, 17, 755, 1098, 9244, 83065, 94400, 977316, 469516, 4367094, 7395202, 78400856, 84574979, 205557903, 228345299, 9542179965, 3867858432

Basic calculations (n = 21297745)

Multiplication

n×y

n×2	42595490
n×3	63893235
n×4	85190980
n×5	106488725

Division

n÷y

n÷2	10648872.5
n÷3	7099248.3333333
n÷3	5324436.25
n÷5	4259549

Exponentiation

n^y

n²	453593942085025
n³	9.6605281120716E+21
n⁴	2.0574746429623E+29
n⁵	4.3819570289778E+36

Nth Root

^y√n

²√n	4614.9479953733
³√n	277.19020157668
⁴√n	67.933408536399
⁵√n	29.21909258651

Divisors of 21297745

1, 29, 35, 1015, 20983, 608507, 734405, 21297745

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	-21297744	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 21297745 can be divided by 8 positive divisors. The sum of these divisors (counting 21297745) is 1, the average is 0.125.

Base conversion 21297745

Base	System	Value
2	Binary	1010001001111101001010001
3	Ternary	1111002001000101
4	Quaternary	1101033221101
5	Quinary	20423011440
6	Senary	2040252401
8	Octal	121175121
10	Decimal	21297745
12	Duodecimal	7171101
16	Hexadecimal	144fa51
20	Vigesimal	6d2475
36	Base36	cohg1

Cryptographic Hash Functions

md5	f20404450ab67797b79e44bffc407bcd
sha1	9d016d2a2ce145cd75cfc9c0d7d310efa34a95e6
sha256	5f754ea5b20e54ad20d51b085d9602eeb11842f51b623964cc774b99acfa8c7b
sha512	b694f71b6a9d60ec702e2264a7f8038053118b99bef0fb73d26ac32909fe132971eaba26a6bcb869d1517fc9d04663f4fcb34eb0effb6316d09e7f63ea285789
ripemd-160	8fb0459fd9d0eb73611035144bc3c7d2d15585d0

21297745 as geometric shapes

Circle

Radius = n

Diameter	42595490
Circumference	133817678.46006
Area	1.4250073961671E+15

Sphere

Radius = n

Volume	4.0465925528909E+22
Surface area	5.7000295846686E+15
Circumference	133817678.46006

Square

Length = n

Perimeter	85190980
Area	453593942085025
Diagonal	30119559.826964

Cube

Length = n

Surface area	2721563652510150
Volume	9.6605281120716E+21
Space diagonal	36888776.426646

Equilateral Triangle

Length = n

Perimeter	63893235
Area	1.9641193842418E+14
Altitude	18444388.213323

Triangular Pyramid

Length = n

Surface area	1.9641193842418E+14
Volume	1.1385041563149E+21
Height	10039853.275655