840507945 is an odd 9-digits composite number following 840507944
and preceding 840507946 . In scientific notation, it is written as 8.40507945 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 448039424 positive integers (up to 840507945) that are relatively prime to 840507945.
840507945 has 16 divisors, whose sum is 1345507200
The reverse of 840507945 is 549705048
Previous prime number is 2087
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
eight hundred forty million five hundred seven thousand nine hundred forty-five
Scientific notation
8.40507945 × 10^8
Engineering notation
8.40507945 × 10^6
Prime Factorization
3 × 5 × 2087 × 26849
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
840507945
Product of the distinct prime numbers
The prime factorization of 840507945 is 3 × 5 × 2087 × 26849.
Since it has a total of 4 prime factors.
4 , 5 , 31 , 64 , 447 , 177 , 2659 , 6949 , 51403 , 51105 , 40858 , 448489 , 3057055 , 1379115 , 22099918 , 47755514 , 849548345 , 764324252 , 4354190027 , 8790642780
n×2
1681015890
n×3
2521523835
n×4
3362031780
n×5
4202539725
n÷2
420253972.5
n÷3
280169315
n÷3
210126986.25
n÷5
168101589
n2
706453605608123025
n3
5.9377986828752E+26
n4
4.9907669687672E+35
n5
4.1947792888924E+44
2 √n
28991.515051822
3 √n
943.72894258821
4 √n
170.26894917107
5 √n
60.940829955887
1 , 3 , 5 , 15 , 2087 , 6261 , 10435 , 26849 , 31305 , 80547 , 134245 , 402735 , 56033863 , 168101589 , 280169315 , 840507945
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
-840507944
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 840507945 can be divided by 16 positive divisors.
The sum of these divisors (counting 840507945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010000110010010001000101001
3
Ternary
2011120120020010220
4
Quaternary
302012102020221
5
Quinary
3210132223240
6
Senary
215223000253
8
Octal
6206221051
10
Decimal
840507945
12
Duodecimal
1b5599089
16
Hexadecimal
32192229
20
Vigesimal
d2d39h5
36
Base36
dwf02x
md5
b1af1a48e54942f4ae98fe2b86e2eaab
sha1
912027478721f73b4eb1f55102388230179f08f8
sha256
6b9b365f8ad722cab93bbfd6b3f7a8cc9f1dcb4498cb2e0d88f529526be1fcda
sha512
98a1a93fed62a662e460474622f0fa5261cd454b0634a6bbe9f24f1cc8143a15b7276b1004f536345a6b93e0c4a6c2c6a95fdb50908347bf2f40133b8a4b3a04
ripemd-160
8d60676e8944929e14abbb9e58eb061f201342b5
Diameter
1681015890
Circumference
5281067170.5917
Area
2.2193894574805E+18
Volume
2.4872192960821E+27
Surface area
8.877557829922E+18
Circumference
5281067170.5917
Perimeter
3362031780
Area
706453605608123025
Diagonal
1188657735.1013
Surface area
4238721633648738150
Volume
5.9377986828752E+26
Space diagonal
1455802464.9053
Perimeter
2521523835
Area
3.0590338452587E+17
Altitude
727901232.45265
Surface area
3.0590338452587E+17
Volume
6.9977628566361E+25
Height
396219245.03378