3944891821 is an odd 10-digits composite number following 3944891820
and preceding 3944891822 . In scientific notation, it is written as 3.944891821 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 3641438592 positive integers (up to 3944891821) that are relatively prime to 3944891821.
3944891821 has 4 divisors, whose sum is 4248345052
The reverse of 3944891821 is 1281984493
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
three billion nine hundred forty-four million eight hundred ninety-one thousand eight hundred twenty-one
Scientific notation
3.944891821 × 10^9
Engineering notation
3.944891821 × 10^9
Prime Factorization
13 × 303453217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
3944891821
Product of the distinct prime numbers
The prime factorization of 3944891821 is 13 × 303453217.
Since it has a total of 2 prime factors.
9 , 10 , 2 , 22 , 779 , 43 , 3384 , 2596 , 63614 , 3001 , 714859 , 142335 , 796450 , 4003358 , 34058702 , 40202429 , 23798362 , 381695403 , 6119218594 , 1714088792
n×2
7889783642
n×3
11834675463
n×4
15779567284
n×5
19724459105
n÷2
1972445910.5
n÷3
1314963940.3333
n÷3
986222955.25
n÷5
788978364.2
n2
1.5562171479393E+19
n3
6.1391082986056E+28
n4
2.4218118115402E+38
n5
9.5537856073463E+47
2 √n
62808.373812733
3 √n
1580.0774171595
4 √n
250.61598874121
5 √n
83.024643537153
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
-3944891820
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 3944891821 can be divided by 4 positive divisors.
The sum of these divisors (counting 3944891821) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101011001000100100010110101101
3
Ternary
101011221000021020111
4
Quaternary
3223020210112231
5
Quinary
31034343014241
6
Senary
1451240420021
8
Octal
35310442655
10
Decimal
3944891821
12
Duodecimal
921177611
16
Hexadecimal
eb2245ad
20
Vigesimal
31cfb9b1
36
Base36
1t8oq0d
md5
5e2b9c63ce8083e36ae1491b58eae445
sha1
8d026064a85c5edfb58eb48cd1b3ec0e08600158
sha256
5d1f5a14477edb9dfce042d1716a933bcdd58aff6cd3d4d79b919cc15830dc3c
sha512
9d4c20f97ac8a6ef2216235e58516657c60f9998ffc9491a31293d095a36fcb9c957492f4633732350dee42e4724cf3ab46af9269a6b6e0a3d4ed0958a756b44
ripemd-160
0a3f19026a18e909b66a16a4ddca91da910f1186
Diameter
7889783642
Circumference
24786486328.12
Area
4.8890003593565E+19
Volume
2.5715436707322E+29
Surface area
1.9556001437426E+20
Circumference
24786486328.12
Perimeter
15779567284
Area
1.5562171479393E+19
Diagonal
5578919515.3529
Surface area
9.3373028876356E+19
Volume
6.1391082986056E+28
Space diagonal
6832753064.3349
Perimeter
11834675463
Area
6.7386179196019E+18
Altitude
3416376532.1675
Surface area
6.7386179196019E+18
Volume
7.235008513971E+27
Height
1859639838.451