142445985 (number)

142445985 is an odd 9-digits composite number following 142445984 and preceding 142445986. In scientific notation, it is written as 1.42445985 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 69064640 positive integers (up to 142445985) that are relatively prime to 142445985.

Interesting facts

Basic properties

Name

Name one hundred forty-two million four hundred forty-five thousand nine hundred eighty-five

Notation

Scientific notation 1.42445985 × 10^8
Engineering notation 1.42445985 × 10^6

Prime Factorization of 142445985

Prime Factorization 3 × 5 × 11 × 863309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 142445985
Product of the distinct prime numbers

The prime factorization of 142445985 is 3 × 5 × 11 × 863309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 77, 14, 79, 950, 5495, 2809, 99474, 51780, 455271, 688866, 153379, 1678958, 87046755, 64273742, 728294550, 427895715, 7955911314, 4489418232

Basic calculations (n = 142445985)

Multiplication

n×y
n×2 284891970
n×3 427337955
n×4 569783940
n×5 712229925

Division

n÷y
n÷2 71222992.5
n÷3 47481995
n÷3 35611496.25
n÷5 28489197

Exponentiation

ny
n2 20290858642620225
n3 2.8903513458438E+24
n4 4.117189444548E+32
n5 5.8647710586024E+40

Nth Root

y√n
2√n 11935.073732491
3√n 522.25595923252
4√n 109.24776305486
5√n 42.729719563102

Divisors of 142445985

1, 3, 5, 11, 15, 33, 55, 165, 863309, 2589927, 4316545, 9496399, 12949635, 28489197, 47481995, 142445985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -142445984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 142445985 can be divided by 16 positive divisors. The sum of these divisors (counting 142445985) is 1, the average is 0.0625.

Base conversion 142445985

Base System Value
2 Binary 1000011111011000110110100001
3 Ternary 100221001000011020
4 Quaternary 20133120312201
5 Quinary 242431232420
6 Senary 22045040053
8 Octal 1037306641
10 Decimal 142445985
12 Duodecimal 3b856029
16 Hexadecimal 87d8da1
20 Vigesimal 24a5ej5
36 Base36 2ct40x

Cryptographic Hash Functions

md5 d16c87a97cdc44d853d142c49bfa56d2
sha1 9920b97049f125db66fbdecda7c73c9ba6227436
sha256 68c8d991e9c1af592ef66c803ea8a4f91a4be5a3f57047ec980a4c088244327a
sha512 3633feb0fb78319d970e4ab0b41cdf3166171a28e4257347e48162ea89fd8fef7b51e0f4616ed28c5729ca34e249c42ea3bc5e5e892cc52e9ecbcd705b08c819
ripemd-160 399a47e1e90a083923f28dd98c90a19f148e67ef

142445985 as geometric shapes

Circle

Radius = n
Diameter 284891970
Circumference 895014520.01872
Area 6.3745612446685E+16

Sphere

Radius = n
Volume 1.2107075405862E+25
Surface area 2.5498244978674E+17
Circumference 895014520.01872

Square

Length = n
Perimeter 569783940
Area 20290858642620225
Diagonal 201449043.89259

Cube

Length = n
Surface area 121745151855721350
Volume 2.8903513458438E+24
Space diagonal 246723683.35419

Equilateral Triangle

Length = n
Perimeter 427337955
Area 8.7861995245541E+15
Altitude 123361841.6771

Triangular Pyramid

Length = n
Surface area 8.7861995245541E+15
Volume 3.406311727763E+23
Height 67149681.297532