1649157421 is an odd 10-digits composite number following 1649157420
and preceding 1649157422 . In scientific notation, it is written as 1.649157421 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1561503600 positive integers (up to 1649157421) that are relatively prime to 1649157421.
1649157421 has 8 divisors, whose sum is 1736906400
The reverse of 1649157421 is 1247519461
Previous prime number is 1901
Is Prime? no Number parity odd Number length 10 Sum of Digits 40 Digital Root 4
Name
one billion six hundred forty-nine million one hundred fifty-seven thousand four hundred twenty-one
Scientific notation
1.649157421 × 10^9
Engineering notation
1.649157421 × 10^9
Prime Factorization
19 × 1901 × 45659
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1649157421 Product of the distinct prime numbers
The prime factorization of 1649157421 is 19 × 1901 × 45659.
Since it has a total of 3 prime factors.
6 , 6 , 3 , 59 , 646 , 619 , 7555 , 9236 , 2046 , 31871 , 123729 , 56078 , 3695703 , 7680050 , 24643123 , 45151228 , 98743063 , 383219626 , 6049007457 , 3676179217
n×2
3298314842
n×3
4947472263
n×4
6596629684
n×5
8245787105
n÷2
824578710.5
n÷3
549719140.33333
n÷3
412289355.25
n÷5
329831484.2
n2
2719720199239371241
n3
4.4852467496192E+27
n4
7.3968779621506E+36
n5
1.2198616183512E+46
2 √n40609.819268251
3 √n1181.4645754632
4 √n201.51878142806
5 √n69.735259713681
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1649157420 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1649157421 can be divided by 8 positive divisors.
The sum of these divisors (counting 1649157421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010010011000010010100101101
3
Ternary
11020221011212200111
4
Quaternary
1202103002110231
5
Quinary
11334141014141
6
Senary
431351100021
8
Octal
14223022455
10
Decimal
1649157421
12
Duodecimal
3a0371611
16
Hexadecimal
624c252d
20
Vigesimal
15f74db1
36
Base36
r9v60d
md5
74e416bc78bec136faff33147fd0940a
sha1
3d32226cb1178dab3da3a9f8a33838346b777d55
sha256
df6f5fc9bc9661a533f9d4ff9c8537e84ade8fd94ea4bdfeeb35e9b57ccad85a
sha512
da278943bed1081e71a1b6bd49ee3e6eccfc3c062851b94258460e55c293ed6a2c837b1925f93fb328e80c45172209f76a5861aecff2cf2f33ce3134e88d19d0
ripemd-160
c15952bc14749b1d0d54ce51407fa37b31c77f5b
Diameter
3298314842
Circumference
10361961676.853
Area
8.5442529977502E+18
Volume
1.8787757650855E+28
Surface area
3.4177011991001E+19
Circumference
10361961676.853
Perimeter
6596629684
Area
2719720199239371241
Diagonal
2332260791.2664
Surface area
1.6318321195436E+19
Volume
4.4852467496192E+27
Space diagonal
2856424442.8513
Perimeter
4947472263
Area
1.1776733918635E+18
Altitude
1428212221.4256
Surface area
1.1776733918635E+18
Volume
5.2859139865844E+26
Height
777420263.75548