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

142721 (number)

142721 is an odd 6-digits composite number following 142720 and preceding 142722. In scientific notation, it is written as 1.42721 × 10^5. The sum of its digits is 17. It has a total of 3 prime factors and 6 positive divisors. There are 136880 positive integers (up to 142721) that are relatively prime to 142721.

Interesting facts

142721 has 6 divisors, whose sum is 148722
The reverse of 142721 is 127241
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 17
Digital Root 8

Name

Name	one hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation	1.42721 × 10^5
Engineering notation	1.42721 × 10^3

Prime Factorization of 142721

Prime Factorization 41 × 59 × 59

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	2419	Product of the distinct prime numbers

The prime factorization of 142721 is 41 × 59 × 59. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 56, 18, 549, 258, 6349, 2789, 73698, 64982, 182051, 532889, 7014844, 6910348, 30941179, 43147945, 730994090, 539965936, 9869947436, 9569180644

Basic calculations (n = 142721)

Multiplication

n×y

n×2	285442
n×3	428163
n×4	570884
n×5	713605

Division

n÷y

n÷2	71360.5
n÷3	47573.666666667
n÷3	35680.25
n÷5	28544.2

Exponentiation

n^y

n²	20369283841
n³	2907124559071361
n⁴	4.1490772419522E+20
n⁵	5.9216045304867E+25

Nth Root

^y√n

²√n	377.78433000854
³√n	52.259184301598
⁴√n	19.436674870166
⁵√n	10.73736152572

Divisors of 142721

1, 41, 59, 2419, 3481, 142721

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-142720	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 142721 can be divided by 6 positive divisors. The sum of these divisors (counting 142721) is 1, the average is 0.16666666666667.

Base conversion 142721

Base	System	Value
2	Binary	100010110110000001
3	Ternary	21020202222
4	Quaternary	202312001
5	Quinary	14031341
6	Senary	3020425
8	Octal	426601
10	Decimal	142721
12	Duodecimal	6a715
16	Hexadecimal	22d81
20	Vigesimal	hgg1
36	Base36	324h

Cryptographic Hash Functions

md5	4a1f9388ead120d910b1cf89b20c4da0
sha1	9d473e97c3362b4aebd7e5c0ca6ebf40894a173a
sha256	644b9304729ef4211b37e3f44b766a522cf33412b6c856f15d0dccb17b6d5a17
sha512	3e1ac20df61f424ff7b3f8dcaf32b1ebfbcf443605ca93330489bf16e5af4353bf8676f58caad2e56aaf9b50cf4020f167f0ca7c1b2be32d2567a00fee8fa543
ripemd-160	ad2ae40d92f87379be7a90a7d5db7147068c3f53

142721 as geometric shapes

Circle

Radius = n

Diameter	285442
Circumference	896742.49022598
Area	63991992473.771

Sphere

Radius = n

Volume	1.2177334877132E+16
Surface area	255967969895.08
Circumference	896742.49022598

Square

Length = n

Perimeter	570884
Area	20369283841
Diagonal	201837.97383545

Cube

Length = n

Surface area	122215703046
Volume	2907124559071361
Space diagonal	247200.02330704

Equilateral Triangle

Length = n

Perimeter	428163
Area	8820158631.6009
Altitude	123600.01165352

Triangular Pyramid

Length = n

Surface area	8820158631.6009
Volume	3.4260791491222E+14
Height	67279.324611817