998889749 is an odd 9-digits composite number following 998889748
and preceding 998889750 . In scientific notation, it is written as 9.98889749 × 10^8.
The sum of its digits is 71. It has a total of 3 prime factors and 8 positive divisors.
There are 838229040 positive integers (up to 998889749) that are relatively prime to 998889749.
998889749 has 8 divisors, whose sum is 1173520992
The reverse of 998889749 is 947988899
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 71
Digital Root 8
Name
nine hundred ninety-eight million eight hundred eighty-nine thousand seven hundred forty-nine
Scientific notation
9.98889749 × 10^8
Engineering notation
9.98889749 × 10^6
Prime Factorization
13 × 11 × 6985243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
998889749
Product of the distinct prime numbers
The prime factorization of 998889749 is 13 × 11 × 6985243.
Since it has a total of 3 prime factors.
2 , 10 , 48 , 67 , 362 , 583 , 8603 , 6546 , 32982 , 54922 , 682425 , 522705 , 2875570 , 5285657 , 74185820 , 58489283 , 331954570 , 378748980 , 798772664 , 1983726934
n×2
1997779498
n×3
2996669247
n×4
3995558996
n×5
4994448745
n÷2
499444874.5
n÷3
332963249.66667
n÷3
249722437.25
n÷5
199777949.8
n2
997780730657283001
n3
9.9667294360329E+26
n4
9.9556638647098E+35
n5
9.9446105789484E+44
2 √n
31605.217116799
3 √n
999.62977928687
4 √n
177.77856202816
5 √n
63.081717801385
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
-998889748
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 998889749 can be divided by 8 positive divisors.
The sum of these divisors (counting 998889749) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100010011101100100010101
3
Ternary
2120121120212010122
4
Quaternary
323202131210111
5
Quinary
4021203432444
6
Senary
243041401325
8
Octal
7342354425
10
Decimal
998889749
12
Duodecimal
23a639245
16
Hexadecimal
3b89d915
20
Vigesimal
fc31479
36
Base36
gipo9h
md5
add341b2f8f09eccd2e7848c151bade7
sha1
ec228f8387ef9e01082f131a2cc75401833f2215
sha256
c4acb7d0b83d2b11622bea9eb96b15f27b6fb08fbbc8e4e08c419c3952409aa7
sha512
e9232d47ee7d390c3efd344ef9320437947ad2e3ba4db8420deb518e0fc5b3341efcef031ea131a748ca4344f53819821082745a5606d10639d36e9a7dc1f3a2
ripemd-160
7b573928924f7dc9a851b74ab38beafc958bdf1d
Diameter
1997779498
Circumference
6276209394.4091
Area
3.1346206133264E+18
Volume
4.1748538635411E+27
Surface area
1.2538482453306E+19
Circumference
6276209394.4091
Perimeter
3995558996
Area
997780730657283001
Diagonal
1412643430.3513
Surface area
5986684383943698006
Volume
9.9667294360329E+26
Space diagonal
1730127796.4277
Perimeter
2996669247
Area
4.320517300779E+17
Altitude
865063898.21386
Surface area
4.320517300779E+17
Volume
1.1745903284117E+26
Height
470881143.45042