142961 (number)

142961 is an odd 6-digits composite number following 142960 and preceding 142962. In scientific notation, it is written as 1.42961 × 10^5. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 113040 positive integers (up to 142961) that are relatively prime to 142961.

Interesting facts

Basic properties

Name

Name one hundred forty-two thousand nine hundred sixty-one

Notation

Scientific notation 1.42961 × 10^5
Engineering notation 1.42961 × 10^3

Prime Factorization of 142961

Prime Factorization 7 × 13 × 1571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 142961
Product of the distinct prime numbers

The prime factorization of 142961 is 7 × 13 × 1571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 142961)

Multiplication

n×y
n×2 285922
n×3 428883
n×4 571844
n×5 714805

Division

n÷y
n÷2 71480.5
n÷3 47653.666666667
n÷3 35740.25
n÷5 28592.2

Exponentiation

ny
n2 20437847521
n3 2921815119449681
n4 4.1770561129165E+20
n5 5.9715611895865E+25

Nth Root

y√n
2√n 378.10183813359
3√n 52.288460956654
4√n 19.444840913044
5√n 10.740970294072

Divisors of 142961

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 -142960
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 142961 can be divided by 8 positive divisors. The sum of these divisors (counting 142961) is 1, the average is 0.125.

Base conversion 142961

Base System Value
2 Binary 100010111001110001
3 Ternary 21021002212
4 Quaternary 202321301
5 Quinary 14033321
6 Senary 3021505
8 Octal 427161
10 Decimal 142961
12 Duodecimal 6a895
16 Hexadecimal 22e71
20 Vigesimal hh81
36 Base36 32b5

Cryptographic Hash Functions

md5 bed8062494421470c1c46f8828524d20
sha1 60fb0a7f9ae6ba075ec22b01ea53a52b28fed480
sha256 d788d13e0b850e26646b61e5ac31638c1322a3dc24af1b24df6391a32f62ed98
sha512 ca434846045a53444b1643a6f468a401ad39e4125546e5adaa2d4040bc726786896b91de90cf0f732107e3c099e99b6f034da5e350e452cbc284a86b545ccf85
ripemd-160 f045ac24da998603b82d1bbebbc02ab94a80980a

142961 as geometric shapes

Circle

Radius = n
Diameter 285922
Circumference 898250.4546997
Area 64207391627.162

Sphere

Radius = n
Volume 1.2238870552548E+16
Surface area 256829566508.65
Circumference 898250.4546997

Square

Length = n
Perimeter 571844
Area 20437847521
Diagonal 202177.38509042

Cube

Length = n
Surface area 122627085126
Volume 2921815119449681
Space diagonal 247615.71550085

Equilateral Triangle

Length = n
Perimeter 428883
Area 8849847575.9294
Altitude 123807.85775043

Triangular Pyramid

Length = n
Surface area 8849847575.9294
Volume 3.4433921405604E+14
Height 67392.461696807