1621474945 is an odd 10-digits composite number following 1621474944
and preceding 1621474946 . In scientific notation, it is written as 1.621474945 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 1297179952 positive integers (up to 1621474945) that are relatively prime to 1621474945.
1621474945 has 4 divisors, whose sum is 1945769940
The reverse of 1621474945 is 5494741261
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion six hundred twenty-one million four hundred seventy-four thousand nine hundred forty-five
Scientific notation
1.621474945 × 10^9
Engineering notation
1.621474945 × 10^9
Prime Factorization
5 × 324294989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1621474945
Product of the distinct prime numbers
The prime factorization of 1621474945 is 5 × 324294989.
Since it has a total of 2 prime factors.
3 , 5 , 57 , 9 , 930 , 816 , 5794 , 3877 , 29900 , 68492 , 431973 , 854651 , 7054528 , 7258233 , 99325661 , 40318150 , 767407228 , 507980508 , 1955282297 , 9850573209
n×2
3242949890
n×3
4864424835
n×4
6485899780
n×5
8107374725
n÷2
810737472.5
n÷3
540491648.33333
n÷3
405368736.25
n÷5
324294989
n2
2629180997262753025
n3
4.2631511129317E+27
n4
6.9125927163676E+36
n5
1.1208595894579E+46
2 √n
40267.542077957
3 √n
1174.8166172236
4 √n
200.66774050145
5 √n
69.499558940448
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
-1621474944
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 1621474945 can be divided by 4 positive divisors.
The sum of these divisors (counting 1621474945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000101001011011111010000001
3
Ternary
11012000002110110121
4
Quaternary
1200221123322001
5
Quinary
11310044144240
6
Senary
424521500241
8
Octal
14051337201
10
Decimal
1621474945
12
Duodecimal
393041681
16
Hexadecimal
60a5be81
20
Vigesimal
156e4775
36
Base36
qtdu2p
md5
c234a34095962498f88cf145fe31293e
sha1
59668d0a3830e6927772e78b011830b70f5eec0e
sha256
4176e34245eb4e90c98c8a9c6f6a88c3fe4591a10ef5ed6a77bc8addcf247b21
sha512
089920d89643e92e05fca0211b8b422afb9178905694738da3f79bf118546d2bcc74855db110be3a4eb618bead1a95e35d58eb278d85a0468f805895c3ae06eb
ripemd-160
a82e5c956f0132d486dd70cd6cf18d60ad4069ac
Diameter
3242949890
Circumference
10188027550.384
Area
8.2598157059586E+18
Volume
1.7857445623372E+28
Surface area
3.3039262823834E+19
Circumference
10188027550.384
Perimeter
6485899780
Area
2629180997262753025
Diagonal
2293111858.2672
Surface area
1.5775085983577E+19
Volume
4.2631511129317E+27
Space diagonal
2808476987.94
Perimeter
4864424835
Area
1.1384687673884E+18
Altitude
1404238493.97
Surface area
1.1384687673884E+18
Volume
5.0241717686283E+26
Height
764370619.42239