840638145 is an odd 9-digits composite number following 840638144
and preceding 840638146 . In scientific notation, it is written as 8.40638145 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 446877504 positive integers (up to 840638145) that are relatively prime to 840638145.
840638145 has 8 divisors, whose sum is 899606400
The reverse of 840638145 is 541836048
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
eight hundred forty million six hundred thirty-eight thousand one hundred forty-five
Scientific notation
8.40638145 × 10^8
Engineering notation
8.40638145 × 10^6
Prime Factorization
15 × 307 × 182549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
840638145
Product of the distinct prime numbers
The prime factorization of 840638145 is 15 × 307 × 182549.
Since it has a total of 3 prime factors.
10 , 5 , 90 , 2 , 929 , 121 , 1175 , 1554 , 82146 , 53550 , 848412 , 690770 , 5574650 , 6320401 , 42825103 , 30325213 , 44369864 , 708421760 , 3412589761 , 3597668087
n×2
1681276290
n×3
2521914435
n×4
3362552580
n×5
4203190725
n÷2
420319072.5
n÷3
280212715
n÷3
210159536.25
n÷5
168127629
n2
706672490829041025
n3
5.9405585181305E+26
n4
4.9938600929452E+35
n5
4.198029284923E+44
2 √n
28993.760449448
3 √n
943.77766993417
4 √n
170.27554272252
5 √n
60.942717862958
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-840638144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 840638145 can be divided by 8 positive divisors.
The sum of these divisors (counting 840638145) is 1, the average is 0.125.
Base
System
Value
2
Binary
110010000110110001111011000001
3
Ternary
2011120210211202010
4
Quaternary
302012301323001
5
Quinary
3210200410040
6
Senary
215225443133
8
Octal
6206617301
10
Decimal
840638145
12
Duodecimal
1b56404a9
16
Hexadecimal
321b1ec1
20
Vigesimal
d2djf75
36
Base36
dwhsjl
md5
04af78cf4e185dccff5c2fe45afaa31a
sha1
5aaf30b07cfa0db4274fe8f38fa394fc0287538f
sha256
2db0e6f96e3737433ef55bfbba56aa3f269d7c7ac263c011b5d0b86ef2707f53
sha512
b9b1a598549b7c5300f26b95ad98623421d378b0cdfcd1e20303fbdd7c7eeec43cbb1e28e742f0719351652b0c403670e2c8292b5bc4d12f9302acdd46b3b94b
ripemd-160
92c6e34d7420237dde2d0330aa9b8fe28c00a7ac
Diameter
1681276290
Circumference
5281885241.3187
Area
2.2200771056825E+18
Volume
2.4883753331706E+27
Surface area
8.8803084227301E+18
Circumference
5281885241.3187
Perimeter
3362552580
Area
706672490829041025
Diagonal
1188841865.7072
Surface area
4240034944974246150
Volume
5.9405585181305E+26
Space diagonal
1456027977.9205
Perimeter
2521914435
Area
3.0599816460679E+17
Altitude
728013988.96023
Surface area
3.0599816460679E+17
Volume
7.001015353676E+25
Height
396280621.90239