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

142891 (number)

142891 is an odd 6-digits composite number following 142890 and preceding 142892. In scientific notation, it is written as 1.42891 × 10^5. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 120768 positive integers (up to 142891) that are relatively prime to 142891.

Interesting facts

142891 has 8 divisors, whose sum is 165600
The reverse of 142891 is 198241
Previous prime number is 137

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 25
Digital Root 7

Name

Name	one hundred forty-two thousand eight hundred ninety-one

Notation

Scientific notation	1.42891 × 10^5
Engineering notation	1.42891 × 10^3

Prime Factorization of 142891

Prime Factorization 7 × 137 × 149

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	142891	Product of the distinct prime numbers

The prime factorization of 142891 is 7 × 137 × 149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 24, 15, 922, 163, 1010, 1007, 78076, 34955, 24943, 713780, 5632144, 3278279, 25914181, 76370836, 737812723, 925321344, 8327819318, 8405731745

Basic calculations (n = 142891)

Multiplication

n×y

n×2	285782
n×3	428673
n×4	571564
n×5	714455

Division

n÷y

n÷2	71445.5
n÷3	47630.333333333
n÷3	35722.75
n÷5	28578.2

Exponentiation

n^y

n²	20417837881
n³	2917525272653971
n⁴	4.168881037348E+20
n⁵	5.9569558030769E+25

Nth Root

^y√n

²√n	378.00925914586
³√n	52.279925319133
⁴√n	19.442460213303
⁵√n	10.739918237605

Divisors of 142891

1, 7, 137, 149, 959, 1043, 20413, 142891

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	-142890	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 142891 can be divided by 8 positive divisors. The sum of these divisors (counting 142891) is 1, the average is 0.125.

Base conversion 142891

Base	System	Value
2	Binary	100010111000101011
3	Ternary	21021000021
4	Quaternary	202320223
5	Quinary	14033031
6	Senary	3021311
8	Octal	427053
10	Decimal	142891
12	Duodecimal	6a837
16	Hexadecimal	22e2b
20	Vigesimal	hh4b
36	Base36	3297

Cryptographic Hash Functions

md5	49b64372f073d2210a79aadc12b08684
sha1	6973984b412d6f7271f317085efbd0037ef82e61
sha256	9784060eeb3e0207d2a1d55f5fa1c314dda68b2606956d3508aabf515845d7e5
sha512	a5f7457a86e6a013d99c1d6ce5977c6e710de40da40225efd1ba3393ba14e9e4f914019de8997ce1331ad2529b1e13938c12ea4f381e4e13d381e8a4a54b2446
ripemd-160	215d32779b5d2b367476683c8886ec690d1923c9

142891 as geometric shapes

Circle

Radius = n

Diameter	285782
Circumference	897810.6317282
Area	64144529489.137

Sphere

Radius = n

Volume	1.222090128431E+16
Surface area	256578117956.55
Circumference	897810.6317282

Square

Length = n

Perimeter	571564
Area	20417837881
Diagonal	202078.39014105

Cube

Length = n

Surface area	122507027286
Volume	2917525272653971
Space diagonal	247494.47194432

Equilateral Triangle

Length = n

Perimeter	428673
Area	8841183147.6491
Altitude	123747.23597216

Triangular Pyramid

Length = n

Surface area	8841183147.6491
Volume	3.4383365076279E+14
Height	67359.463380351