1993399787 is an odd 10-digits composite number following 1993399786
and preceding 1993399788 . In scientific notation, it is written as 1.993399787 × 10^9.
The sum of its digits is 65. It has a total of 3 prime factors and 8 positive divisors.
There are 1830380800 positive integers (up to 1993399787) that are relatively prime to 1993399787.
1993399787 has 8 divisors, whose sum is 2162138832
The reverse of 1993399787 is 7879933991
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 65
Digital Root 2
Name
one billion nine hundred ninety-three million three hundred ninety-nine thousand seven hundred eighty-seven
Scientific notation
1.993399787 × 10^9
Engineering notation
1.993399787 × 10^9
Prime Factorization
41 × 17 × 2859971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1993399787
Product of the distinct prime numbers
The prime factorization of 1993399787 is 41 × 17 × 2859971.
Since it has a total of 3 prime factors.
4 , 8 , 2 , 94 , 103 , 965 , 2757 , 9125 , 84680 , 87069 , 839209 , 70616 , 5060380 , 8993345 , 20872803 , 32579450 , 277293722 , 713387315 , 3947783233 , 6578561089
n×2
3986799574
n×3
5980199361
n×4
7973599148
n×5
9966998935
n÷2
996699893.5
n÷3
664466595.66667
n÷3
498349946.75
n÷5
398679957.4
n2
3973642710811645369
n3
7.921058533346E+27
n4
1.5789836393187E+37
n5
3.1475456502943E+46
2 √n
44647.505943781
3 √n
1258.5335646086
4 √n
211.29956446662
5 √n
72.430066093982
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
-1993399786
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 1993399787 can be divided by 8 positive divisors.
The sum of these divisors (counting 1993399787) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110110100001101110111101011
3
Ternary
12010220221012102202
4
Quaternary
1312310031313223
5
Quinary
13040302243122
6
Senary
525445250415
8
Octal
16664156753
10
Decimal
1993399787
12
Duodecimal
477703a0b
16
Hexadecimal
76d0ddeb
20
Vigesimal
1b2iej97
36
Base36
wyth4b
md5
488501a84e60d22cd8bc4b0de15ede9e
sha1
9b6d4dc368cc7a4a7ae3d967f030f874cb44a294
sha256
adcfdbb16ae369cd9e09e404512d54561f3958777a4570308b40ff1edce4666e
sha512
2a3c9b8809884d3f91b354f92104c5d59f8ad7b72e52e110a630bfbfe865df74893a90d05173fd013c5059cdf725c8af61b29c585f79a4eb9375bdb91f90f319
ripemd-160
d1050546b6e386dd5b443576fe02b0499b51e38d
Diameter
3986799574
Circumference
12524900253.013
Area
1.2483566748276E+19
Volume
3.317965239602E+28
Surface area
4.9934266993106E+19
Circumference
12524900253.013
Perimeter
7973599148
Area
3973642710811645369
Diagonal
2819093014.007
Surface area
2.384185626487E+19
Volume
7.921058533346E+27
Space diagonal
3452669710.881
Perimeter
5980199361
Area
1.7206377665629E+18
Altitude
1726334855.4405
Surface area
1.7206377665629E+18
Volume
9.3350570051743E+26
Height
939697671.33568