42915 is an odd 5-digits composite number following 42914
and preceding 42916 . In scientific notation, it is written as 4.2915 × 10^4.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 22880 positive integers (up to 42915) that are relatively prime to 42915.
42915 has 4 divisors, whose sum is 45792
The reverse of 42915 is 51924
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3
Name
forty-two thousand nine hundred fifteen
Scientific notation
4.2915 × 10^4
Engineering notation
4.2915 × 10^3
Prime Factorization
15 × 2861
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42915
Product of the distinct prime numbers
The prime factorization of 42915 is 15 × 2861.
Since it has a total of 2 prime factors.
2 , 6 , 32 , 67 , 601 , 217 , 2889 , 3273 , 75835 , 97693 , 549859 , 650220 , 949449 , 7000623 , 91130638 , 57040306 , 703759385 , 774589304 , 9840564178 , 2288425884
n×2
85830
n×3
128745
n×4
171660
n×5
214575
n÷2
21457.5
n÷3
14305
n÷3
10728.75
n÷5
8583
n2
1841697225
n3
79036436410875
n4
3391848668572700625
n5
1.455611856118E+23
2 √n
207.15935894861
3 √n
35.010880970662
4 √n
14.39303161077
5 √n
8.4434866950844
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
-42914
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 42915 can be divided by 4 positive divisors.
The sum of these divisors (counting 42915) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110100011
3
Ternary
2011212110
4
Quaternary
22132203
5
Quinary
2333130
6
Senary
530403
8
Octal
123643
10
Decimal
42915
12
Duodecimal
20a03
16
Hexadecimal
a7a3
20
Vigesimal
575f
36
Base36
x43
md5
98ff5000b5b118e27d8a4d8ea171d6dd
sha1
abce69c7dd6508b5df6ed98ec42c74086265b43e
sha256
7ce8f30b3190b6d00dd7e8fe94f0f29639457bc257c30fee4d82a1a4ff762839
sha512
511d8ce16783413b8536ae532b10f2b4e92fcaaa09eb0b90f01b753106ac7166e8c2d07bf72caa451e39212bc33c676c98c7f87f30b1d4e8a57e8b6a8514a342
ripemd-160
946bee94d21c28e091b266cb5d88a9d88fa3908d
Diameter
85830
Circumference
269642.89745761
Area
5785862472.1967
Volume
3.310670506591E+14
Surface area
23143449888.787
Circumference
269642.89745761
Perimeter
171660
Area
1841697225
Diagonal
60690.975029241
Surface area
11050183350
Volume
79036436410875
Space diagonal
74330.960406818
Perimeter
128745
Area
797478291.46465
Altitude
37165.480203409
Surface area
797478291.46465
Volume
9314533357824.8
Height
20230.325009747