42191815 is an odd 8-digits composite number following 42191814
and preceding 42191816 . In scientific notation, it is written as 4.2191815 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 32810400 positive integers (up to 42191815) that are relatively prime to 42191815.
42191815 has 16 divisors, whose sum is 52056576
The reverse of 42191815 is 51819124
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
forty-two million one hundred ninety-one thousand eight hundred fifteen
Scientific notation
4.2191815 × 10^7
Engineering notation
4.2191815 × 10^6
Prime Factorization
5 × 43 × 311 × 631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42191815
Product of the distinct prime numbers
The prime factorization of 42191815 is 5 × 43 × 311 × 631.
Since it has a total of 4 prime factors.
1 , 3 , 39 , 95 , 85 , 8 , 3940 , 3466 , 5493 , 14151 , 955851 , 919097 , 3846857 , 2464441 , 99289629 , 88985775 , 480137233 , 939178457 , 4412428133 , 6163374572
n×2
84383630
n×3
126575445
n×4
168767260
n×5
210959075
n÷2
21095907.5
n÷3
14063938.333333
n÷3
10547953.75
n÷5
8438363
n2
1780149252994225
n3
7.5107727954721E+22
n4
3.1689313629359E+30
n5
1.3370296581269E+38
2 √n
6495.5226887449
3 √n
348.13103083089
4 √n
80.594805594064
5 √n
33.500064378305
1 , 5 , 43 , 215 , 311 , 631 , 1555 , 3155 , 13373 , 27133 , 66865 , 135665 , 196241 , 981205 , 8438363 , 42191815
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
-42191814
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 42191815 can be divided by 16 positive divisors.
The sum of these divisors (counting 42191815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100000111100101111000111
3
Ternary
2221101120021211
4
Quaternary
2200330233013
5
Quinary
41300114230
6
Senary
4104152251
8
Octal
240745707
10
Decimal
42191815
12
Duodecimal
12168687
16
Hexadecimal
283cbc7
20
Vigesimal
d3djaf
36
Base36
p4bev
md5
c944bb43ac151de84634ff5a8262f0ae
sha1
825e4d16b73f349bbc65db703ca2e3481f90e3d7
sha256
58c565ecf14fc69e0097193e61850ab22fe6fb1d2f4e228949a0b9e6a9534933
sha512
1cee66d1e2d2d17798d295c6e8c5fe4b4755a36b04d0b99ea33e031e70f840ae6ffd9963675fc9d4acb64379b18fa7db92bc5f2ebb91d71e595ab441965a4c81
ripemd-160
af559d4f21cc10008f4585fa2e4ea8eb003e9414
Diameter
84383630
Circumference
265098992.09124
Area
5.5925038155E+15
Volume
3.1461051516049E+23
Surface area
2.2370015262E+16
Circumference
265098992.09124
Perimeter
168767260
Area
1780149252994225
Diagonal
59668236.994137
Surface area
10680895517965350
Volume
7.5107727954721E+22
Space diagonal
73078367.243547
Perimeter
126575445
Area
7.7082723781045E+14
Altitude
36539183.621773
Surface area
7.7082723781045E+14
Volume
8.8515306260496E+21
Height
19889412.331379