1021938861 is an odd 10-digits composite number following 1021938860
and preceding 1021938862 . In scientific notation, it is written as 1.021938861 × 10^9.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 681292572 positive integers (up to 1021938861) that are relatively prime to 1021938861.
1021938861 has 4 divisors, whose sum is 1362585152
The reverse of 1021938861 is 1688391201
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion twenty-one million nine hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
1.021938861 × 10^9
Engineering notation
1.021938861 × 10^9
Prime Factorization
3 × 340646287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1021938861
Product of the distinct prime numbers
The prime factorization of 1021938861 is 3 × 340646287.
Since it has a total of 2 prime factors.
8 , 6 , 31 , 18 , 268 , 621 , 3819 , 6733 , 7663 , 90520 , 362399 , 151752 , 3376891 , 4748960 , 5452906 , 55023441 , 322367554 , 494144584 , 1888515955 , 5667027835
n×2
2043877722
n×3
3065816583
n×4
4087755444
n×5
5109694305
n÷2
510969430.5
n÷3
340646287
n÷3
255484715.25
n÷5
204387772.2
n2
1044359035621977321
n3
1.0672710833386E+27
n4
1.0906857952853E+36
n5
1.1146141993427E+45
2 √n
31967.778480839
3 √n
1007.260116812
4 √n
178.79535363325
5 √n
63.370186147938
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
-1021938860
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 1021938861 can be divided by 4 positive divisors.
The sum of these divisors (counting 1021938861) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100111010011000110010101101
3
Ternary
2122012221212120110
4
Quaternary
330322120302231
5
Quinary
4043104020421
6
Senary
245223410233
8
Octal
7472306255
10
Decimal
1021938861
12
Duodecimal
2462b3979
16
Hexadecimal
3ce98cad
20
Vigesimal
fj72731
36
Base36
gwfp2l
md5
31fd34160d4d8eed61c843bf31fee5d2
sha1
fc9112a88ed76f4e8f3ecb0dcbac9cc7720a4ab9
sha256
39e018c5a57a78a9363b8340f0d49c6199f9374ac5710fa43ea64723cacab125
sha512
6f873f8c1949711a52222c6b7d5aaeb50ba30c8ff908352bf70ddc7cb1479886e9d604e1490349a8e24446da08b8b61c790e3991d54de46f0c33a6f6f0c1f7be
ripemd-160
b7fc5b5ec73a33300c454e7af7e3a30e4a2ca15f
Diameter
2043877722
Circumference
6421031236.271
Area
3.2809506740201E+18
Volume
4.4705746597404E+27
Surface area
1.3123802696081E+19
Circumference
6421031236.271
Perimeter
4087755444
Area
1044359035621977321
Diagonal
1445239797.1423
Surface area
6266154213731863926
Volume
1.0672710833386E+27
Space diagonal
1770050029.4811
Perimeter
3065816583
Area
4.5222072776022E+17
Altitude
885025014.74053
Surface area
4.5222072776022E+17
Volume
1.2577910339884E+26
Height
481746599.04744