640522021 is an odd 9-digits composite number following 640522020
and preceding 640522022 . In scientific notation, it is written as 6.40522021 × 10^8.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 630021600 positive integers (up to 640522021) that are relatively prime to 640522021.
640522021 has 4 divisors, whose sum is 651022444
The reverse of 640522021 is 120225046
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
six hundred forty million five hundred twenty-two thousand twenty-one
Scientific notation
6.40522021 × 10^8
Engineering notation
6.40522021 × 10^6
Prime Factorization
61 × 10500361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640522021
Product of the distinct prime numbers
The prime factorization of 640522021 is 61 × 10500361.
Since it has a total of 2 prime factors.
3 , 7 , 23 , 29 , 602 , 754 , 6375 , 905 , 62421 , 15559 , 664922 , 520680 , 8470413 , 5436216 , 21074700 , 64392066 , 905609331 , 242349103 , 5467168167 , 9428082385
n×2
1281044042
n×3
1921566063
n×4
2562088084
n×5
3202610105
n÷2
320261010.5
n÷3
213507340.33333
n÷3
160130505.25
n÷5
128104404.2
n2
410268459385924441
n3
2.6278598275843E+26
n4
1.683202087669E+35
n5
1.0781280029452E+44
2 √n
25308.536524264
3 √n
862.00811653578
4 √n
159.08656927681
5 √n
57.717407161946
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
-640522020
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 640522021 can be divided by 4 positive divisors.
The sum of these divisors (counting 640522021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001011011001011100100101
3
Ternary
1122122020220000211
4
Quaternary
212023121130211
5
Quinary
2302433201041
6
Senary
143320335421
8
Octal
4613313445
10
Decimal
640522021
12
Duodecimal
15a614571
16
Hexadecimal
262d9725
20
Vigesimal
a035511
36
Base36
alclyd
md5
15fcaabc85bf89702e73f93d7ede58f4
sha1
90dd1d208999eea8c5a0c9ea4cd210024e9ddcff
sha256
2fafc27d9e9be75e5009889ac2eb20c67e276909b776d989ee7342bebb707131
sha512
1c20d04360000ee28cfe4c193894871621a6e67704e007bc09d7847241c163e17ee7a2f14672966034740d009383b7516b14da619b790493326bbefba5646717
ripemd-160
5d4556b3a36aa9cfab55405f0e8bb49683643a59
Diameter
1281044042
Circumference
4024518551.2722
Area
1.2888963780064E+18
Volume
1.1007553505337E+27
Surface area
5.1555855120257E+18
Circumference
4024518551.2722
Perimeter
2562088084
Area
410268459385924441
Diagonal
905834929.09682
Surface area
2461610756315546646
Volume
2.6278598275843E+26
Space diagonal
1109416683.7387
Perimeter
1921566063
Area
1.7765145409986E+17
Altitude
554708341.86935
Surface area
1.7765145409986E+17
Volume
3.0969625068209E+25
Height
301944976.36561