1645493021 is an odd 10-digits prime number following 1645493020
and preceding 1645493022 . In scientific notation, it is written as 1.645493021 × 10^9.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 1645493020 positive integers (up to 1645493021) that are relatively prime to 1645493021.
1645493021 has 2 divisors, whose sum is 1645493022
The reverse of 1645493021 is 1203945461
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 35 Digital Root 8
Name
one billion six hundred forty-five million four hundred ninety-three thousand twenty-one
Scientific notation
1.645493021 × 10^9
Engineering notation
1.645493021 × 10^9
Prime Factorization
1645493021
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1645493021 Product of the distinct prime numbers
The prime factorization of 1645493021 is 1645493021.
Since it has a total of 1 prime factors.
8 , 10 , 72 , 53 , 73 , 849 , 7463 , 1019 , 49974 , 34217 , 966669 , 102099 , 8382250 , 1144941 , 23419522 , 47897694 , 682413784 , 413693016 , 9869690668 , 4991995062
n×2
3290986042
n×3
4936479063
n×4
6581972084
n×5
8227465105
n÷2
822746510.5
n÷3
548497673.66667
n÷3
411373255.25
n÷5
329098604.2
n2
2707647282159706441
n3
4.4554147061234E+27
n4
7.3313538045868E+36
n5
1.2063691519929E+46
2 √n40564.677010917
3 √n1180.5888617428
4 √n201.40674519717
5 √n69.704242018698
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1645493022 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
822746511 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
40564.677023243 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999987846 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1645493021 can be divided by 2 positive divisors.
The sum of these divisors (counting 1645493021) is 1645493022, the average is 822746511.
Base
System
Value
2
Binary
1100010000101000011101100011101
3
Ternary
11020200021201001222
4
Quaternary
1202011003230131
5
Quinary
11332221234041
6
Senary
431140343125
8
Octal
14205035435
10
Decimal
1645493021
12
Duodecimal
39b0a4aa5
16
Hexadecimal
62143b1d
20
Vigesimal
15e46cb1
36
Base36
r7omjh
md5
0e2ddd5f334d356450c7eb854c940fa7
sha1
54fe9e200bf6af5abefe652cfe8773b99f94fe77
sha256
61bbbb38f48d41efce3b8d03d15bd102ed8660177640cf42a8bd596afba1a249
sha512
a6f089b9fc01132e9cc5591999a12bbdca5f2c300d0dee357dfa79830cac94fe94aeca41a6756e2fdf3f974b7cb90f4ce36731079150c634bd1a861c807f48a6
ripemd-160
89db6ed4dab619d26163e1a4879fa9a2d014bd94
Diameter
3290986042
Circumference
10338937572.614
Area
8.5063248101453E+18
Volume
1.8662797479271E+28
Surface area
3.4025299240581E+19
Circumference
10338937572.614
Perimeter
6581972084
Area
2707647282159706441
Diagonal
2327078547.0885
Surface area
1.6245883692958E+19
Volume
4.4554147061234E+27
Space diagonal
2850077515.872
Perimeter
4936479063
Area
1.1724456654191E+18
Altitude
1425038757.936
Surface area
1.1724456654191E+18
Volume
5.2507565861636E+26
Height
775692849.02949