1645132972 is an even 10-digits composite number following 1645132971
and preceding 1645132973 . In scientific notation, it is written as 1.645132972 × 10^9.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 696131280 positive integers (up to 1645132972) that are relatively prime to 1645132972.
1645132972 has 24 divisors, whose sum is 3331919360
The reverse of 1645132972 is 2792315461
Previous prime number is 79
Is Prime? no
Number parity even
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion six hundred forty-five million one hundred thirty-two thousand nine hundred seventy-two
Scientific notation
1.645132972 × 10^9
Engineering notation
1.645132972 × 10^9
Prime Factorization
2 × 2 × 7 × 79 × 743731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
822566486
Product of the distinct prime numbers
The prime factorization of 1645132972 is 2 × 2 × 7 × 79 × 743731.
Since it has a total of 5 prime factors.
10 , 1 , 13 , 53 , 690 , 128 , 7835 , 7720 , 19710 , 2370 , 981317 , 247542 , 1026557 , 7023587 , 16086734 , 32653173 , 807047760 , 874526072 , 358418057 , 6200791616
n×2
3290265944
n×3
4935398916
n×4
6580531888
n×5
8225664860
n÷2
822566486
n÷3
548377657.33333
n÷3
411283243
n÷5
329026594.4
n2
2706462495561552784
n3
4.4524906889297E+27
n4
7.3249392398813E+36
n5
1.2050499061425E+46
2 √n
40560.238806003
3 √n
1180.5027475629
4 √n
201.39572688119
5 √n
69.701191365894
1 , 2 , 4 , 7 , 14 , 28 , 79 , 158 , 316 , 553 , 1106 , 2212 , 743731 , 1487462 , 2974924 , 5206117 , 10412234 , 20824468 , 58754749 , 117509498 , 235018996 , 411283243 , 822566486 , 1645132972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1645132971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1645132972 can be divided by 24 positive divisors.
The sum of these divisors (counting 1645132972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100010000011101011110010101100
3
Ternary
11020122121102011211
4
Quaternary
1202003223302230
5
Quinary
11332123223342
6
Senary
431124524204
8
Octal
14203536254
10
Decimal
1645132972
12
Duodecimal
39ab50664
16
Hexadecimal
620ebcac
20
Vigesimal
15e21c8c
36
Base36
r7gwq4
md5
77f0bad1304bb1f49b94fdb885d844db
sha1
7af0fb0e9b4f68b73a2c5ce539adbc083f0be41b
sha256
ff030c7ee8195f02761776795facaaa787b7fa4cb2e37548e7df490b876401ea
sha512
15aaf62f366372180e216e58595346f3f6758125e3e001a24276a6b3eaa7f839dcf9182ca681ace1499e958276945572d80dce6417947f4e6669295ebfeca0e2
ripemd-160
6fd84f4a5ffa7fe55dbdc758485fbd05fab98271
Diameter
3290265944
Circumference
10336675318.027
Area
8.5026026932725E+18
Volume
1.8650549384691E+28
Surface area
3.401041077309E+19
Circumference
10336675318.027
Perimeter
6580531888
Area
2706462495561552784
Diagonal
2326569360.9096
Surface area
1.6238774973369E+19
Volume
4.4524906889297E+27
Space diagonal
2849453892.7108
Perimeter
4935398916
Area
1.1719326377731E+18
Altitude
1424726946.3554
Surface area
1.1719326377731E+18
Volume
5.2473105988536E+26
Height
775523120.30319