1645621072 is an even 10-digits composite number following 1645621071
and preceding 1645621073 . In scientific notation, it is written as 1.645621072 × 10^9.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 818909280 positive integers (up to 1645621072) that are relatively prime to 1645621072.
1645621072 has 20 divisors, whose sum is 3203508256
The reverse of 1645621072 is 2701265461
Previous prime number is 211
Is Prime? no
Number parity even
Number length 10
Sum of Digits 34
Digital Root 7
Name
one billion six hundred forty-five million six hundred twenty-one thousand seventy-two
Scientific notation
1.645621072 × 10^9
Engineering notation
1.645621072 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 211 × 487447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
205702634
Product of the distinct prime numbers
The prime factorization of 1645621072 is 2 × 2 × 2 × 2 × 211 × 487447.
Since it has a total of 6 prime factors.
4 , 6 , 82 , 7 , 776 , 394 , 136 , 6922 , 55702 , 52709 , 30018 , 713984 , 3796079 , 7625649 , 94695508 , 89834293 , 77402392 , 656707555 , 5792248079 , 8328960093
n×2
3291242144
n×3
4936863216
n×4
6582484288
n×5
8228105360
n÷2
822810536
n÷3
548540357.33333
n÷3
411405268
n÷5
329124214.4
n2
2708068712610429184
n3
4.4564549378956E+27
n4
7.3336361522195E+36
n5
1.2068386186473E+46
2 √n
40566.255336178
3 √n
1180.6194851205
4 √n
201.41066341229
5 √n
69.70532685102
1 , 2 , 4 , 8 , 16 , 211 , 422 , 844 , 1688 , 3376 , 487447 , 974894 , 1949788 , 3899576 , 7799152 , 102851317 , 205702634 , 411405268 , 822810536 , 1645621072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1645621071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1645621072 can be divided by 20 positive divisors.
The sum of these divisors (counting 1645621072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100010000101100010111101010000
3
Ternary
11020200112012201121
4
Quaternary
1202011202331100
5
Quinary
11332234333242
6
Senary
431143212024
8
Octal
14205427520
10
Decimal
1645621072
12
Duodecimal
39b147014
16
Hexadecimal
62162f50
20
Vigesimal
15e52cdc
36
Base36
r7rdcg
md5
8605aaa9980fa652cca1b0305d9dd10a
sha1
2d34a2acb190ebef56a8dbe639418c7eff56242d
sha256
e26c276d766757f9ccdb49a601d1b1b02f6451fa8ff667e5984698fd5d44ce1b
sha512
7e7607c934ee34a769a89234cf950ea703975df845f8d2fd0b118a638cf487699e885beab6028bdc5dd49d097d64f4665b79a8ce905e10951aa20fe37a679e5d
ripemd-160
df658dd0396024e71704e3233eeb9516b5b40f45
Diameter
3291242144
Circumference
10339742140.776
Area
8.5076487729533E+18
Volume
1.8667154791929E+28
Surface area
3.4030595091813E+19
Circumference
10339742140.776
Perimeter
6582484288
Area
2708068712610429184
Diagonal
2327259638.5494
Surface area
1.6248412275663E+19
Volume
4.4564549378956E+27
Space diagonal
2850299306.71
Perimeter
4936863216
Area
1.1726281501572E+18
Altitude
1425149653.355
Surface area
1.1726281501572E+18
Volume
5.2519825110638E+26
Height
775753212.84978