1994976991 is an odd 10-digits composite number following 1994976990
and preceding 1994976992 . In scientific notation, it is written as 1.994976991 × 10^9.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 1614103200 positive integers (up to 1994976991) that are relatively prime to 1994976991.
1994976991 has 16 divisors, whose sum is 2408680960
The reverse of 1994976991 is 1996794991
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion nine hundred ninety-four million nine hundred seventy-six thousand nine hundred ninety-one
Scientific notation
1.994976991 × 10^9
Engineering notation
1.994976991 × 10^9
Prime Factorization
7 × 19 × 277 × 54151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1994976991
Product of the distinct prime numbers
The prime factorization of 1994976991 is 7 × 19 × 277 × 54151.
Since it has a total of 4 prime factors.
5 , 6 , 9 , 64 , 388 , 266 , 9825 , 7543 , 97254 , 48432 , 528838 , 946193 , 4336918 , 2450006 , 63829470 , 1570839 , 277892691 , 554944948 , 7216839201 , 2458785284
n×2
3989953982
n×3
5984930973
n×4
7979907964
n×5
9974884955
n÷2
997488495.5
n÷3
664992330.33333
n÷3
498744247.75
n÷5
398995398.2
n2
3979933194619414081
n3
7.9398751489829E+27
n4
1.5839868233633E+37
n5
3.1600172666571E+46
2 √n
44665.165296907
3 √n
1258.8653998489
4 √n
211.34134781653
5 √n
72.441523991544
1 , 7 , 19 , 133 , 277 , 1939 , 5263 , 36841 , 54151 , 379057 , 1028869 , 7202083 , 14999827 , 104998789 , 284996713 , 1994976991
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
-1994976990
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 1994976991 can be divided by 16 positive divisors.
The sum of these divisors (counting 1994976991) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110111010001110111011011111
3
Ternary
12011000220022221201
4
Quaternary
1312322032323133
5
Quinary
13041203230431
6
Senary
525543140331
8
Octal
16672167337
10
Decimal
1994976991
12
Duodecimal
4781446a7
16
Hexadecimal
76e8eedf
20
Vigesimal
1b38c29b
36
Base36
wzra3j
md5
20d2da098ef813277925b4300a2ee121
sha1
d35809d766b0c5c55c9dee265f7ad5df7a59163e
sha256
c1603ede2ab4982e906a8cf3b51dd86d258ac0db11be3fec6dac3557a1981579
sha512
411fbd5beca7072b732133b153899d53c4fd066ad02b38abb9e31b7864dee037a0408e691f1b2c7d05561b0e11b617854ee05e1c2c49c689aa030a0159d97942
ripemd-160
20c1693f4632408048c483d14b9f30ecd2f6534c
Diameter
3989953982
Circumference
12534810118.013
Area
1.2503328885995E+19
Volume
3.3258471251286E+28
Surface area
5.0013315543978E+19
Circumference
12534810118.013
Perimeter
7979907964
Area
3979933194619414081
Diagonal
2821323517.2945
Surface area
2.3879599167716E+19
Volume
7.9398751489829E+27
Space diagonal
3455401508.3429
Perimeter
5984930973
Area
1.7233616259527E+18
Altitude
1727700754.1714
Surface area
1.7233616259527E+18
Volume
9.3572325993672E+26
Height
940441172.43149