142912105 is an odd 9-digits composite number following 142912104
and preceding 142912106 . In scientific notation, it is written as 1.42912105 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 97996848 positive integers (up to 142912105) that are relatively prime to 142912105.
142912105 has 8 divisors, whose sum is 195993792
The reverse of 142912105 is 501219241
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred forty-two million nine hundred twelve thousand one hundred five
Scientific notation
1.42912105 × 10^8
Engineering notation
1.42912105 × 10^6
Prime Factorization
7 × 5 × 4083203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
142912105
Product of the distinct prime numbers
The prime factorization of 142912105 is 7 × 5 × 4083203.
Since it has a total of 3 prime factors.
7 , 3 , 95 , 32 , 10 , 760 , 3081 , 2864 , 6112 , 42981 , 263026 , 803929 , 978346 , 9955848 , 13140653 , 80354832 , 167640248 , 835044287 , 8310745648 , 4403416928
n×2
285824210
n×3
428736315
n×4
571648420
n×5
714560525
n÷2
71456052.5
n÷3
47637368.333333
n÷3
35728026.25
n÷5
28582421
n2
20423869755531025
n3
2.9188182190088E+24
n4
4.1713445579089E+32
n5
5.9613563145106E+40
2 √n
11954.585103633
3 √n
522.82499107326
4 √n
109.33702530997
5 √n
42.757647564434
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
-142912104
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 142912105 can be divided by 8 positive divisors.
The sum of these divisors (counting 142912105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100001001010101001101001
3
Ternary
100221220200112221
4
Quaternary
20201022221221
5
Quinary
243041141410
6
Senary
22103034041
8
Octal
1041125151
10
Decimal
142912105
12
Duodecimal
3ba3b921
16
Hexadecimal
884aa69
20
Vigesimal
24d4055
36
Base36
2d33op
md5
1fecfb53d262f97ea4d42396cc5c5290
sha1
6f6db5f1e1f3e57eae20c2a9a16cae17a3390c39
sha256
8cc63ed7f228b0ecbe431d7503cea790a77ddb98313dd89b2944af22d55acc63
sha512
e05d8b44f4912cd6c9da48f1c467c76289e6e63a621ae755a9c47f41ddba0832388d2c5b63412a7c6ee0e25477587ac48ff2fd19ac6e5a2deffff95173efe128
ripemd-160
41e551f2b24678fdc6d8088cf84271e905a8ffc7
Diameter
285824210
Circumference
897943238.35411
Area
6.4163479181851E+16
Volume
1.2226317165336E+25
Surface area
2.566539167274E+17
Circumference
897943238.35411
Perimeter
571648420
Area
20423869755531025
Diagonal
202108237.11829
Surface area
122543218533186150
Volume
2.9188182190088E+24
Space diagonal
247531026.87662
Perimeter
428736315
Area
8.8437950259373E+15
Altitude
123765513.43831
Surface area
8.8437950259373E+15
Volume
3.4398602595199E+23
Height
67369412.372763