993977981 is an odd 9-digits composite number following 993977980
and preceding 993977982 . In scientific notation, it is written as 9.93977981 × 10^8.
The sum of its digits is 62. It has a total of 3 prime factors and 8 positive divisors.
There are 898732800 positive integers (up to 993977981) that are relatively prime to 993977981.
993977981 has 8 divisors, whose sum is 1011700128
The reverse of 993977981 is 189779399
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
nine hundred ninety-three million nine hundred seventy-seven thousand nine hundred eighty-one
Scientific notation
9.93977981 × 10^8
Engineering notation
9.93977981 × 10^6
Prime Factorization
731 × 61 × 22291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
993977981
Product of the distinct prime numbers
The prime factorization of 993977981 is 731 × 61 × 22291.
Since it has a total of 3 prime factors.
6 , 8 , 89 , 23 , 669 , 177 , 9425 , 813 , 19535 , 45025 , 485404 , 167273 , 2981287 , 4783323 , 85695109 , 86835949 , 885784899 , 679535375 , 7983325702 , 9419758427
n×2
1987955962
n×3
2981933943
n×4
3975911924
n×5
4969889905
n÷2
496988990.5
n÷3
331325993.66667
n÷3
248494495.25
n÷5
198795596.2
n2
987992226712836361
n3
9.8204251875172E+26
n4
9.7612864004499E+35
n5
9.7025037482819E+44
2 √n
31527.416338799
3 √n
997.98861738577
4 √n
177.55961347897
5 √n
63.019557989585
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-993977980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 993977981 can be divided by 8 positive divisors.
The sum of these divisors (counting 993977981) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011001111101110011001111101
3
Ternary
2120021100022110022
4
Quaternary
323033232121331
5
Quinary
4013424243411
6
Senary
242344221525
8
Octal
7317563175
10
Decimal
993977981
12
Duodecimal
238a6a8a5
16
Hexadecimal
3b3ee67d
20
Vigesimal
fac74j1
36
Base36
gfsebh
md5
7be4bd2457a8fa1f9fe2d00f0fff2203
sha1
e0af355e11e53df81b92827c36dc20388d8ac92e
sha256
7d81e1cbebb82514e3c515ecebc2aeb4a0282393ae4bcf8541aed077a9ecd238
sha512
d9fc3e6b6663d51f70a0b3d95ca0c9c62db12be3650cf7e2042bc63d9c7a4639a2b92f2a33199905a45103a7c275279e6ab16a4388625ef78f9fbfe61c28c7f8
ripemd-160
8e7e460c10696731bdebe0cc1bec4f2fec97bb08
Diameter
1987955962
Circumference
6245347845.8792
Area
3.1038691212449E+18
Volume
4.113570083231E+27
Surface area
1.2415476484979E+19
Circumference
6245347845.8792
Perimeter
3975911924
Area
987992226712836361
Diagonal
1405697141.4304
Surface area
5927953360277018166
Volume
9.8204251875172E+26
Space diagonal
1721620364.6967
Perimeter
2981933943
Area
4.2781318353744E+17
Altitude
860810182.34837
Surface area
4.2781318353744E+17
Volume
1.1573482073714E+26
Height
468565713.81014