1645157428 is an even 10-digits composite number following 1645157427
and preceding 1645157429 . In scientific notation, it is written as 1.645157428 × 10^9.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 821100800 positive integers (up to 1645157428) that are relatively prime to 1645157428.
1645157428 has 12 divisors, whose sum is 2884198212
The reverse of 1645157428 is 8247515461
Previous prime number is 557
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion six hundred forty-five million one hundred fifty-seven thousand four hundred twenty-eight
Scientific notation
1.645157428 × 10^9
Engineering notation
1.645157428 × 10^9
Prime Factorization
2 × 2 × 557 × 738401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
822578714
Product of the distinct prime numbers
The prime factorization of 1645157428 is 2 × 2 × 557 × 738401.
Since it has a total of 4 prime factors.
7 , 8 , 87 , 39 , 948 , 590 , 8547 , 8530 , 78028 , 85111 , 362428 , 149945 , 7431678 , 2085471 , 574910 , 97266362 , 857457329 , 708234374 , 7361628334 , 3103888208
n×2
3290314856
n×3
4935472284
n×4
6580629712
n×5
8225787140
n÷2
822578714
n÷3
548385809.33333
n÷3
411289357
n÷5
329031485.6
n2
2706542962903575184
n3
4.4526892596219E+27
n4
7.3253748100429E+36
n5
1.2051394781626E+46
2 √n
40560.540282398
3 √n
1180.5085971878
4 √n
201.3964753475
5 √n
69.70139859561
1 , 2 , 4 , 557 , 1114 , 2228 , 738401 , 1476802 , 2953604 , 411289357 , 822578714 , 1645157428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1645157427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1645157428 can be divided by 12 positive divisors.
The sum of these divisors (counting 1645157428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100010000011110001110000110100
3
Ternary
11020122122122201121
4
Quaternary
1202003301300310
5
Quinary
11332130014203
6
Senary
431125233324
8
Octal
14203616064
10
Decimal
1645157428
12
Duodecimal
39ab62844
16
Hexadecimal
620f1c34
20
Vigesimal
15e24db8
36
Base36
r7hflg
md5
18ec3411517a3c1971df8dc54a10537f
sha1
aeb8467d9790eae74d0451ebeaa6784a0a75c6b8
sha256
2970e545bbf4d0ebd0726d2cea3f4ee856438cdd73caedcea42fe2c29571f83b
sha512
71dc563e63dc8e6e2e6326f42e76a0f6c39c5bce5ea85c219d9d6fc9a0561c21355fad00fc2e4296ef743f54ea8d50f02f63ce7b54f0d64df1a1c77daf965ce8
ripemd-160
d44973db6e413903d280aec4ba605859cfdbfca7
Diameter
3290314856
Circumference
10336828979.607
Area
8.502855488883E+18
Volume
1.8651381155662E+28
Surface area
3.4011421955532E+19
Circumference
10336828979.607
Perimeter
6580629712
Area
2706542962903575184
Diagonal
2326603946.9164
Surface area
1.6239257777421E+19
Volume
4.4526892596219E+27
Space diagonal
2849496251.7453
Perimeter
4935472284
Area
1.1719674811542E+18
Altitude
1424748125.8727
Surface area
1.1719674811542E+18
Volume
5.2475446166586E+26
Height
775534648.97215