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

145721 (number)

145721 is an odd 6-digits prime number following 145720 and preceding 145722. In scientific notation, it is written as 1.45721 × 10^5. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 145720 positive integers (up to 145721) that are relatively prime to 145721.

Interesting facts

145721 has 2 divisors, whose sum is 145722
The reverse of 145721 is 127541
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	1.45721 × 10^5
Engineering notation	1.45721 × 10^3

Prime Factorization of 145721

Prime Factorization 145721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	145721	Product of the distinct prime numbers

The prime factorization of 145721 is 145721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 44, 42, 95, 272, 4219, 2012, 4281, 48461, 653209, 329748, 4490731, 8987994, 57044300, 22014795, 725028935, 828983121, 4271632521, 7362385304

Basic calculations (n = 145721)

Multiplication

n×y

n×2	291442
n×3	437163
n×4	582884
n×5	728605

Division

n÷y

n÷2	72860.5
n÷3	48573.666666667
n÷3	36430.25
n÷5	29144.2

Exponentiation

n^y

n²	21234609841
n³	3094328580640361
n⁴	4.5090865509949E+20
n⁵	6.5706860129753E+25

Nth Root

^y√n

²√n	381.73420072087
³√n	52.6228115045
⁴√n	19.538019365352
⁵√n	10.782126642725

Divisors of 145721

1, 145721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	145722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	72861	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	381.73551053052	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999862752364	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 145721 can be divided by 2 positive divisors. The sum of these divisors (counting 145721) is 145722, the average is 72861.

Base conversion 145721

Base	System	Value
2	Binary	100011100100111001
3	Ternary	21101220002
4	Quaternary	203210321
5	Quinary	14130341
6	Senary	3042345
8	Octal	434471
10	Decimal	145721
12	Duodecimal	703b5
16	Hexadecimal	23939
20	Vigesimal	i461
36	Base36	34ft

Cryptographic Hash Functions

md5	26b9b8ced1de776e879f903966ee4728
sha1	e032c2c1a2c90c53d858ff046d905c91a028cf2b
sha256	0bd26d10b5f7ca0316b92289d49acbf709f4f75faa454b5da60a1da8a8ce0e25
sha512	fff6178e1e1c2593843f6d1dd87dbc492a681128fbe7f7f1d1e29610b9897ec259cf7dedf0c29687a640c29b4f28cc645ed02d2f9623bc507d32d32ee96e9925
ripemd-160	c04b41301a95c52dc7c059de15cbca8313f330cb

145721 as geometric shapes

Circle

Radius = n

Diameter	291442
Circumference	915592.04614752
Area	66710494278.331

Sphere

Radius = n

Volume	1.2961493248977E+16
Surface area	266841977113.32
Circumference	915592.04614752

Square

Length = n

Perimeter	582884
Area	21234609841
Diagonal	206080.61452257

Cube

Length = n

Surface area	127407659046
Volume	3094328580640361
Space diagonal	252396.17572974

Equilateral Triangle

Length = n

Perimeter	437163
Area	9194855780.8785
Altitude	126198.08786487

Triangular Pyramid

Length = n

Surface area	9194855780.8785
Volume	3.6467012043169E+14
Height	68693.53817419