145749 (number)

145749 is an odd 6-digits composite number following 145748 and preceding 145750. In scientific notation, it is written as 1.45749 × 10^5. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 92016 positive integers (up to 145749) that are relatively prime to 145749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.45749 × 10^5
Engineering notation 1.45749 × 10^3

Prime Factorization of 145749

Prime Factorization 57 × 2557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 145749
Product of the distinct prime numbers

The prime factorization of 145749 is 57 × 2557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 145749)

Multiplication

n×y
n×2 291498
n×3 437247
n×4 582996
n×5 728745

Division

n÷y
n÷2 72874.5
n÷3 48583
n÷3 36437.25
n÷5 29149.8

Exponentiation

ny
n2 21242771001
n3 3096112630624749
n4 4.5125531980093E+20
n5 6.5770011605665E+25

Nth Root

y√n
2√n 381.77087369259
3√n 52.626181744798
4√n 19.538957845612
5√n 10.782540963715

Divisors of 145749

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 -145748
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 145749 can be divided by 4 positive divisors. The sum of these divisors (counting 145749) is 1, the average is 0.25.

Base conversion 145749

Base System Value
2 Binary 100011100101010101
3 Ternary 21101221010
4 Quaternary 203211111
5 Quinary 14130444
6 Senary 3042433
8 Octal 434525
10 Decimal 145749
12 Duodecimal 70419
16 Hexadecimal 23955
20 Vigesimal i479
36 Base36 34gl

Cryptographic Hash Functions

md5 e9ea74d8a66f0bf1ee34e8d1a298d070
sha1 b3032b143801435b7aaf1ea4e9fc10a1ea5c4204
sha256 c13ee77f7b163a13d60e13529fe5a78a8d0022b654bc409b31d80f0db7bb8fb4
sha512 bf6df8bb77cb14643bac8a30a75d95cb8613fa4cd434b87e0e01b1a84015b103d668ef03e015d6cb55ccadcaebcb0eac693c45780fd46aacfec2229b4854029f
ripemd-160 bacbc7242505ee5f5022d3ed217113312d4a6121

145749 as geometric shapes

Circle

Radius = n
Diameter 291498
Circumference 915767.97533612
Area 66736133318.632

Sphere

Radius = n
Volume 1.2968966260076E+16
Surface area 266944533274.53
Circumference 915767.97533612

Square

Length = n
Perimeter 582996
Area 21242771001
Diagonal 206120.21250232

Cube

Length = n
Surface area 127456626006
Volume 3096112630624749
Space diagonal 252444.67315236

Equilateral Triangle

Length = n
Perimeter 437247
Area 9198389666.8207
Altitude 126222.33657618

Triangular Pyramid

Length = n
Surface area 9198389666.8207
Volume 3.6488037273868E+14
Height 68706.737500772