668889298 is an even 9-digits composite number following 668889297
and preceding 668889299 . In scientific notation, it is written as 6.68889298 × 10^8.
The sum of its digits is 64. It has a total of 5 prime factors and 24 positive divisors.
There are 260605800 positive integers (up to 668889298) that are relatively prime to 668889298.
668889298 has 24 divisors, whose sum is 1273249584
The reverse of 668889298 is 892988866
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 64
Digital Root 1
Name
six hundred sixty-eight million eight hundred eighty-nine thousand two hundred ninety-eight
Scientific notation
6.68889298 × 10^8
Engineering notation
6.68889298 × 10^6
Prime Factorization
2 × 11 × 7 × 7 × 620491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
95555614
Product of the distinct prime numbers
The prime factorization of 668889298 is 2 × 11 × 7 × 7 × 620491.
Since it has a total of 5 prime factors.
10 , 5 , 64 , 43 , 521 , 322 , 8088 , 6862 , 79939 , 75695 , 661883 , 94116 , 4307262 , 4046852 , 54711145 , 65470908 , 11601360 , 884065328 , 4818710357 , 9567717874
n×2
1337778596
n×3
2006667894
n×4
2675557192
n×5
3344446490
n÷2
334444649
n÷3
222963099.33333
n÷3
167222324.5
n÷5
133777859.6
n2
447412892978932804
n3
2.9926969590083E+26
n4
2.0017829680378E+35
n5
1.3389712042391E+44
2 √n
25862.894230925
3 √n
874.5502114952
4 √n
160.81944605963
5 √n
58.219818807663
1 , 2 , 7 , 11 , 14 , 22 , 49 , 77 , 98 , 154 , 539 , 1078 , 620491 , 1240982 , 4343437 , 6825401 , 8686874 , 13650802 , 30404059 , 47777807 , 60808118 , 95555614 , 334444649 , 668889298
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668889297
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668889298 can be divided by 24 positive divisors.
The sum of these divisors (counting 668889298) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111110111100111000011010010
3
Ternary
1201121122002121201
4
Quaternary
213313213003102
5
Quinary
2332213424143
6
Senary
150212341414
8
Octal
4767470322
10
Decimal
668889298
12
Duodecimal
16801486a
16
Hexadecimal
27de70d2
20
Vigesimal
a90b34i
36
Base36
b28maa
md5
4c00675198734e21e986148c0435a430
sha1
af2a1d5b4d45ec759e8614b8d91134ef495136b7
sha256
eb6975154948bbe0823b312d223c048c4443100c0c98ec99bb1ad00d2109d2d7
sha512
c79345302889c406e5ec8faec0477c908db00b0ff38557afc08cff4fb7b5862e9338c9c0ce2e0f98ca528df8cddb50e2b9e93891572b2a8790c8bc1e33651e35
ripemd-160
1df4fde77437b7e5d3de8e07a0ab06248e92ae79
Diameter
1337778596
Circumference
4202755409.3233
Area
1.405589057704E+18
Volume
1.2535779707788E+27
Surface area
5.6223562308159E+18
Circumference
4202755409.3233
Perimeter
2675557192
Area
447412892978932804
Diagonal
945952316.95782
Surface area
2684477357873596824
Volume
2.9926969590083E+26
Space diagonal
1158550248.7751
Perimeter
2006667894
Area
1.9373546565022E+17
Altitude
579275124.38754
Surface area
1.9373546565022E+17
Volume
3.5269271895852E+25
Height
315317438.98594