42486721 is an odd 8-digits composite number following 42486720
and preceding 42486722 . In scientific notation, it is written as 4.2486721 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 42399700 positive integers (up to 42486721) that are relatively prime to 42486721.
42486721 has 4 divisors, whose sum is 42573744
The reverse of 42486721 is 12768424
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
forty-two million four hundred eighty-six thousand seven hundred twenty-one
Scientific notation
4.2486721 × 10^7
Engineering notation
4.2486721 × 10^6
Prime Factorization
491 × 86531
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42486721
Product of the distinct prime numbers
The prime factorization of 42486721 is 491 × 86531.
Since it has a total of 2 prime factors.
7 , 7 , 64 , 44 , 309 , 720 , 1755 , 9302 , 86232 , 7173 , 139936 , 366183 , 9255102 , 6311898 , 42366758 , 71732914 , 494537728 , 937067281 , 5171924387 , 8451600367
n×2
84973442
n×3
127460163
n×4
169946884
n×5
212433605
n÷2
21243360.5
n÷3
14162240.333333
n÷3
10621680.25
n÷5
8497344.2
n2
1805121461331841
n3
7.6693691898718E+22
n4
3.2584634901608E+30
n5
1.3844142919515E+38
2 √n
6518.1838728284
3 √n
348.94025298843
4 √n
80.735270314952
5 √n
33.546764734411
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42486720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42486721 can be divided by 4 positive divisors.
The sum of these divisors (counting 42486721) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100010000100101111000001
3
Ternary
2221221112211021
4
Quaternary
2202010233001
5
Quinary
41334033341
6
Senary
4114345441
8
Octal
242045701
10
Decimal
42486721
12
Duodecimal
1228b281
16
Hexadecimal
2884bc1
20
Vigesimal
d5agg1
36
Base36
pamyp
md5
3964a6bffbce0158f2fad7194bd29669
sha1
73db75a47866e1b71173f1d31abf348e9c9aa0fe
sha256
7d6e34abb7f57e0ce0eea681e307454098afd98e579d655d1c71e3ed023be7a0
sha512
bf427d736277e7f68943f73e7de053a4862e835b62b03afb19c538d9266090796441061e03e7bf51282e9a0638c6820773a8f10f476848cb0d1d4bfb22a644a4
ripemd-160
9f8f2f4d7068c759fac97a3737ce5feeb88953ac
Diameter
84973442
Circumference
266951941.13744
Area
5.6709563217574E+15
Volume
3.2125378539426E+23
Surface area
2.268382528703E+16
Circumference
266951941.13744
Perimeter
169946884
Area
1805121461331841
Diagonal
60085297.058962
Surface area
10830728767991046
Volume
7.6693691898718E+22
Space diagonal
73589159.419004
Perimeter
127460163
Area
7.8164052121493E+14
Altitude
36794579.709502
Surface area
7.8164052121493E+14
Volume
9.0384382693026E+21
Height
20028432.352987