6645490890 is an even 10-digits composite number following 6645490889
and preceding 6645490891 . In scientific notation, it is written as 6.645490890 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 1760236224 positive integers (up to 6645490890) that are relatively prime to 6645490890.
6645490890 has 16 divisors, whose sum is 10704153600
The reverse of 6645490890 is 0980945466
Previous prime number is 149
Is Prime? no
Number parity even
Number length 10
Sum of Digits 51
Digital Root 6
Name
six billion six hundred forty-five million four hundred ninety thousand eight hundred ninety
Scientific notation
6.645490890 × 10^9
Engineering notation
6.645490890 × 10^9
Prime Factorization
2 × 15 × 149 × 1486687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6645490890
Product of the distinct prime numbers
The prime factorization of 6645490890 is 2 × 15 × 149 × 1486687.
Since it has a total of 4 prime factors.
9 , 8 , 3 , 92 , 736 , 721 , 3039 , 5701 , 22817 , 59149 , 268249 , 130085 , 8068561 , 8530954 , 15829796 , 85271431 , 803378822 , 16353394 , 4443396928 , 7101143346
n×2
13290981780
n×3
19936472670
n×4
26581963560
n×5
33227454450
n÷2
3322745445
n÷3
2215163630
n÷3
1661372722.5
n÷5
1329098178
n2
4.4162549169073E+19
n3
2.9348181818225E+29
n4
1.9503307491108E+39
n5
1.2960905225703E+49
2 √n
81519.880336026
3 √n
1880.0772272863
4 √n
285.51686523921
5 √n
92.152137525006
1 , 2 , 15 , 30 , 149 , 298 , 2235 , 4470 , 1486687 , 2973374 , 22300305 , 44600610 , 221516363 , 443032726 , 3322745445 , 6645490890
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
-6645490889
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 6645490890 can be divided by 16 positive divisors.
The sum of these divisors (counting 6645490890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100000110100010010011001010
3
Ternary
122011010122220201020
4
Quaternary
12030012202103022
5
Quinary
102102221202030
6
Senary
3015231533310
8
Octal
61406422312
10
Decimal
6645490890
12
Duodecimal
135568a236
16
Hexadecimal
18c1a24ca
20
Vigesimal
53ge674a
36
Base36
31wjxl6
md5
a8c5aca430c364260a6fc95b2ed40e2c
sha1
b86fa6f3cb222d8239e2f89802973b2b803ab0a5
sha256
4f9c276aa103f2c365b22aff378f655d841e5e3a181082509c1f40d269ff5f7b
sha512
327861fcf98926badaaa3354260dced6ba77e18d82c4a2731f4fc59e30d44ad33b53b69cf98d9f800353b878552d35d63719ffe7a55a656a68367f271199b859
ripemd-160
b38491ba1f3dde5b328c34be6075f20b09df6017
Diameter
13290981780
Circumference
41754850719.044
Area
1.3874074003336E+20
Volume
1.2293337652847E+30
Surface area
5.5496296013343E+20
Circumference
41754850719.044
Perimeter
26581963560
Area
4.4162549169073E+19
Diagonal
9398143345.2649
Surface area
2.6497529501444E+20
Volume
2.9348181818225E+29
Space diagonal
11510327862.716
Perimeter
19936472670
Area
1.9122944738148E+19
Altitude
5755163931.3581
Surface area
1.9122944738148E+19
Volume
3.4587163965271E+28
Height
3132714448.4216