142912805 (number)

142912805 is an odd 9-digits composite number following 142912804 and preceding 142912806. In scientific notation, it is written as 1.42912805 × 10^8. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 97997328 positive integers (up to 142912805) that are relatively prime to 142912805.

Interesting facts

Basic properties

Name

Name one hundred forty-two million nine hundred twelve thousand eight hundred five

Notation

Scientific notation 1.42912805 × 10^8
Engineering notation 1.42912805 × 10^6

Prime Factorization of 142912805

Prime Factorization 5 × 7 × 4083223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 142912805
Product of the distinct prime numbers

The prime factorization of 142912805 is 5 × 7 × 4083223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 59, 67, 546, 906, 1732, 9502, 95811, 70927, 517407, 460501, 8416735, 4045069, 15834759, 52638609, 10413723, 669510178, 9419419273, 9869470874

Basic calculations (n = 142912805)

Multiplication

n×y
n×2 285825610
n×3 428738415
n×4 571651220
n×5 714564025

Division

n÷y
n÷2 71456402.5
n÷3 47637601.666667
n÷3 35728201.25
n÷5 28582561

Exponentiation

ny
n2 20424069832968025
n3 2.9188611093453E+24
n4 4.1714262854195E+32
n5 5.9615023130004E+40

Nth Root

y√n
2√n 11954.614381066
3√n 522.82584469093
4√n 109.33715919607
5√n 42.757689450732

Divisors of 142912805

1, 5, 7, 35, 4083223, 20416115, 28582561, 142912805

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 -142912804
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 142912805 can be divided by 8 positive divisors. The sum of these divisors (counting 142912805) is 1, the average is 0.125.

Base conversion 142912805

Base System Value
2 Binary 1000100001001010110100100101
3 Ternary 100221220201111212
4 Quaternary 20201022310211
5 Quinary 243041202210
6 Senary 22103041205
8 Octal 1041126445
10 Decimal 142912805
12 Duodecimal 3ba40205
16 Hexadecimal 884ad25
20 Vigesimal 24d4205
36 Base36 2d3485

Cryptographic Hash Functions

md5 a4b82173eb6f4885d287628feaa4bb89
sha1 4d8b4c5c37e33ccaf406f5e170819250c8566aa9
sha256 c8d91f53878baaab205bc8c7303b65464beb1936e336229d317ec0818a94b8da
sha512 8c612206960a034865016026c252fed7240c0392acc57b76854cb9cdc509c517c2a00074e1aee2226cbe1acf3d66aabd60b59ff470c85e5bf7f5be7a0a980117
ripemd-160 1aec844189bb987c58a201b1d42a6c7269c25e92

142912805 as geometric shapes

Circle

Radius = n
Diameter 285825610
Circumference 897947636.58382
Area 6.4164107743657E+16

Sphere

Radius = n
Volume 1.2226496823958E+25
Surface area 2.5665643097463E+17
Circumference 897947636.58382

Square

Length = n
Perimeter 571651220
Area 20424069832968025
Diagonal 202109227.06778

Cube

Length = n
Surface area 122544418997808150
Volume 2.9188611093453E+24
Space diagonal 247532239.31218

Equilateral Triangle

Length = n
Perimeter 428738415
Area 8.8438816620089E+15
Altitude 123766119.65609

Triangular Pyramid

Length = n
Surface area 8.8438816620089E+15
Volume 3.4399108062663E+23
Height 67369742.355927