42781557 is an odd 8-digits composite number following 42781556
and preceding 42781558 . In scientific notation, it is written as 4.2781557 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 22135680 positive integers (up to 42781557) that are relatively prime to 42781557.
42781557 has 16 divisors, whose sum is 46179584
The reverse of 42781557 is 75518724
Previous prime number is 91
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty-two million seven hundred eighty-one thousand five hundred fifty-seven
Scientific notation
4.2781557 × 10^7
Engineering notation
4.2781557 × 10^6
Prime Factorization
21 × 61 × 91 × 367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42781557
Product of the distinct prime numbers
The prime factorization of 42781557 is 21 × 61 × 91 × 367.
Since it has a total of 4 prime factors.
9 , 10 , 61 , 6 , 50 , 494 , 4661 , 295 , 25098 , 30816 , 394163 , 682747 , 9778093 , 589025 , 44605474 , 60357872 , 954204533 , 573558519 , 1264034223 , 9937573789
n×2
85563114
n×3
128344671
n×4
171126228
n×5
213907785
n÷2
21390778.5
n÷3
14260519
n÷3
10695389.25
n÷5
8556311.4
n2
1830261619344249
n3
7.8301441792888E+22
n4
3.3498575952446E+30
n5
1.4331212365284E+38
2 √n
6540.7611942342
3 √n
349.74554839067
4 √n
80.874972607317
5 √n
33.593195490404
1 , 21 , 61 , 91 , 367 , 1281 , 1911 , 5551 , 7707 , 22387 , 33397 , 116571 , 470127 , 701337 , 2037217 , 42781557
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
-42781556
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 42781557 can be divided by 16 positive divisors.
The sum of these divisors (counting 42781557) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100011001100101101110101
3
Ternary
2222111112021010
4
Quaternary
2203030231311
5
Quinary
41423002212
6
Senary
4124542433
8
Octal
243145565
10
Decimal
42781557
12
Duodecimal
123b1a19
16
Hexadecimal
28ccb75
20
Vigesimal
d77dhh
36
Base36
pgygl
md5
1b6fdeb95541ff4fa3d2b76904ac04fd
sha1
352d72db00cbeecdfca64c4bc0d0f421b223670d
sha256
0a91e6d818d133fa76db25a9336908e2741467f86d03c3abd6ebf6dae3177c61
sha512
80a6a1fc62d952f6bdb0b2a56377d102ac3c3616c7ac1c02ca78af61fa7402d60abf3c99d59bca86c67a1f4600292bc9dc5da34b01089228808096c2d188761f
ripemd-160
41ecfeaabd6d63155becf2ea5be840416f486621
Diameter
85563114
Circumference
268804450.36067
Area
5.7499364574793E+15
Volume
3.279883124027E+23
Surface area
2.2999745829917E+16
Circumference
268804450.36067
Perimeter
171126228
Area
1830261619344249
Diagonal
60502258.128838
Surface area
10981569716065494
Volume
7.8301441792888E+22
Space diagonal
74099830.350904
Perimeter
128344671
Area
7.9252652896188E+14
Altitude
37049915.175452
Surface area
7.9252652896188E+14
Volume
9.2279134114058E+21
Height
20167419.376279