142912981 (number)

142912981 is an odd 9-digits composite number following 142912980 and preceding 142912982. In scientific notation, it is written as 1.42912981 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 138801600 positive integers (up to 142912981) that are relatively prime to 142912981.

Interesting facts

Basic properties

Name

Name one hundred forty-two million nine hundred twelve thousand nine hundred eighty-one

Notation

Scientific notation 1.42912981 × 10^8
Engineering notation 1.42912981 × 10^6

Prime Factorization of 142912981

Prime Factorization 37 × 613 × 6301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 142912981
Product of the distinct prime numbers

The prime factorization of 142912981 is 37 × 613 × 6301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 48, 44, 652, 445, 4069, 8254, 39041, 50158, 960403, 385015, 8540444, 1494321, 92667010, 57861015, 102598591, 799692645, 8590639785, 7895808381

Basic calculations (n = 142912981)

Multiplication

n×y
n×2 285825962
n×3 428738943
n×4 571651924
n×5 714564905

Division

n÷y
n÷2 71456490.5
n÷3 47637660.333333
n÷3 35728245.25
n÷5 28582596.2

Exponentiation

ny
n2 20424120138306361
n3 2.9188718932675E+24
n4 4.1714468342397E+32
n5 5.9615390216421E+40

Nth Root

y√n
2√n 11954.621742238
3√n 522.82605931437
4√n 109.33719285878
5√n 42.757699982118

Divisors of 142912981

1, 37, 613, 6301, 22681, 233137, 3862513, 142912981

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 -142912980
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 142912981 can be divided by 8 positive divisors. The sum of these divisors (counting 142912981) is 1, the average is 0.125.

Base conversion 142912981

Base System Value
2 Binary 1000100001001010110111010101
3 Ternary 100221220201202101
4 Quaternary 20201022313111
5 Quinary 243041203411
6 Senary 22103042101
8 Octal 1041126725
10 Decimal 142912981
12 Duodecimal 3ba40331
16 Hexadecimal 884add5
20 Vigesimal 24d4291
36 Base36 2d34d1

Cryptographic Hash Functions

md5 2dfdf52e656f270bc906feb578a3d81d
sha1 ab0779b91226b74ddafa10de6ee378014597cd88
sha256 74af05208e08214559fdb3e4ff8962ae2f2c509016210a5e9653aa30af996744
sha512 30bf60f795ff7046f4746b72ab37c9e0e31bf356a69edefad85115bb10eab149f2466ed7ac1e55bfe5ec58dce53afd8f2540a37e3840c3367d2d5f4121edf88b
ripemd-160 1b9e012bfc08da4fdde2c891b2a461f990a626d7

142912981 as geometric shapes

Circle

Radius = n
Diameter 285825962
Circumference 897948742.42444
Area 6.4164265782539E+16

Sphere

Radius = n
Volume 1.2226541995545E+25
Surface area 2.5665706313015E+17
Circumference 897948742.42444

Square

Length = n
Perimeter 571651924
Area 20424120138306361
Diagonal 202109475.96937

Cube

Length = n
Surface area 122544720829838166
Volume 2.9188718932675E+24
Space diagonal 247532544.15313

Equilateral Triangle

Length = n
Perimeter 428738943
Area 8.8439034448593E+15
Altitude 123766272.07656

Triangular Pyramid

Length = n
Surface area 8.8439034448593E+15
Volume 3.4399235152404E+23
Height 67369825.323123