2021497857 is an odd 10-digits composite number following 2021497856
and preceding 2021497858 . In scientific notation, it is written as 2.021497857 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 1322236656 positive integers (up to 2021497857) that are relatively prime to 2021497857.
2021497857 has 16 divisors, whose sum is 3051319680
The reverse of 2021497857 is 7587941202
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
two billion twenty-one million four hundred ninety-seven thousand eight hundred fifty-seven
Scientific notation
2.021497857 × 10^9
Engineering notation
2.021497857 × 10^9
Prime Factorization
9 × 3 × 53 × 1412647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2021497857
Product of the distinct prime numbers
The prime factorization of 2021497857 is 9 × 3 × 53 × 1412647.
Since it has a total of 4 prime factors.
2 , 6 , 48 , 86 , 774 , 249 , 4034 , 4578 , 25084 , 65025 , 925597 , 179866 , 6674144 , 2160006 , 2197593 , 41993467 , 665397294 , 19817770 , 9053634827 , 7334311063
n×2
4042995714
n×3
6064493571
n×4
8085991428
n×5
10107489285
n÷2
1010748928.5
n÷3
673832619
n÷3
505374464.25
n÷5
404299571.4
n2
4086453585855592449
n3
8.260757166537E+27
n4
1.6699102909352E+37
n5
3.3757200745078E+46
2 √n
44961.070461011
3 √n
1264.4192383785
4 √n
212.04025669908
5 √n
72.633112826543
1 , 3 , 9 , 27 , 53 , 159 , 477 , 1431 , 1412647 , 4237941 , 12713823 , 38141469 , 74870291 , 224610873 , 673832619 , 2021497857
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021497856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021497857 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021497857) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000011111011001110000000001
3
Ternary
12012212210201202000
4
Quaternary
1320133121300001
5
Quinary
13120000412412
6
Senary
532331414213
8
Octal
17037316001
10
Decimal
2021497857
12
Duodecimal
484bb4369
16
Hexadecimal
787d9c01
20
Vigesimal
1bbe74ch
36
Base36
xfjpq9
md5
a07182996d6d4adb00956e723f89d852
sha1
9180802759ef533d5aa44491fe30da9ce753938a
sha256
49ab0351d4483c3dba37a686ad5e0ae508a93b2d7b42defa4d0ec22df8944bf0
sha512
d7380298e4d6f7c286283c22f611695b94f0f1e53946b888e966e82e0f3e2acfe17e490f444a5de27c1a495363a531691202a96de0e401cd454eb68bb16cf4b4
ripemd-160
504e6d2564f7e21a94830c0cb3d94a0f90d4756f
Diameter
4042995714
Circumference
12701445633.597
Area
1.283797256456E+19
Volume
3.4602578703309E+28
Surface area
5.1351890258238E+19
Circumference
12701445633.597
Perimeter
8085991428
Area
4086453585855592449
Diagonal
2858829685.6775
Surface area
2.4518721515134E+19
Volume
8.260757166537E+27
Space diagonal
3501336995.7156
Perimeter
6064493571
Area
1.7694863083685E+18
Altitude
1750668497.8578
Surface area
1.7694863083685E+18
Volume
9.7353956836562E+26
Height
952943228.55918