1288993668 is an even 10-digits composite number following 1288993667
and preceding 1288993669 . In scientific notation, it is written as 1.288993668 × 10^9.
The sum of its digits is 60. It has a total of 5 prime factors and 24 positive divisors.
There are 406490400 positive integers (up to 1288993668) that are relatively prime to 1288993668.
1288993668 has 24 divisors, whose sum is 2298473184
The reverse of 1288993668 is 8663998821
Previous prime number is 811
Is Prime? no
Number parity even
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion two hundred eighty-eight million nine hundred ninety-three thousand six hundred sixty-eight
Scientific notation
1.288993668 × 10^9
Engineering notation
1.288993668 × 10^9
Prime Factorization
2 × 2 × 57 × 811 × 6971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
644496834
Product of the distinct prime numbers
The prime factorization of 1288993668 is 2 × 2 × 57 × 811 × 6971.
Since it has a total of 5 prime factors.
8 , 4 , 80 , 90 , 271 , 279 , 1323 , 7960 , 67906 , 945 , 159860 , 302277 , 3327570 , 6715792 , 34821171 , 51958092 , 198768259 , 129015253 , 8342723167 , 6500208344
n×2
2577987336
n×3
3866981004
n×4
5155974672
n×5
6444968340
n÷2
644496834
n÷3
429664556
n÷3
322248417
n÷5
257798733.6
n2
1661504676144094224
n3
2.1416690069021E+27
n4
2.7605977888487E+36
n5
3.5583930697208E+45
2 √n
35902.557959009
3 √n
1088.3040900024
4 √n
189.47970329038
5 √n
66.381973069904
1 , 2 , 4 , 57 , 114 , 228 , 811 , 1622 , 3244 , 6971 , 13942 , 27884 , 46227 , 92454 , 184908 , 397347 , 794694 , 1589388 , 5653481 , 11306962 , 22613924 , 322248417 , 644496834 , 1288993668
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
-1288993667
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 1288993668 can be divided by 24 positive divisors.
The sum of these divisors (counting 1288993668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110101000111101110000100
3
Ternary
10022211110122220020
4
Quaternary
1030311013232010
5
Quinary
10114440244133
6
Senary
331523335140
8
Octal
11465075604
10
Decimal
1288993668
12
Duodecimal
2bb8214b0
16
Hexadecimal
4cd47b84
20
Vigesimal
102g4438
36
Base36
lbflvo
md5
430bee9fea61bf0a44d19a58f2da95fd
sha1
ce6ef45951ef40aed2bf6320710953e6b4c3c081
sha256
751581d574a7f61512284f908bb28fdeae1083634ff33a9d3baa5e553357b00e
sha512
4ee1c4e4d957bd2481015f64de0012acd611ea7a00ff4e0bc3ebe0b7caed5a00e83505101ac20b6c644191c8097b9b3dd45b55331058fc0a2dafbd3ea95da021
ripemd-160
0b9020f6b5ae526e4231b6afc9fb27bb8864f785
Diameter
2577987336
Circumference
8098986075.8251
Area
5.2197708844794E+18
Volume
8.9710021580062E+27
Surface area
2.0879083537917E+19
Circumference
8098986075.8251
Perimeter
5155974672
Area
1661504676144094224
Diagonal
1822912327.0986
Surface area
9.9690280568646E+18
Volume
2.1416690069021E+27
Space diagonal
2232602523.6106
Perimeter
3866981004
Area
7.1945262902371E+17
Altitude
1116301261.8053
Surface area
7.1945262902371E+17
Volume
2.5239811297293E+26
Height
607637442.36621