1990408899 is an odd 10-digits composite number following 1990408898
and preceding 1990408900 . In scientific notation, it is written as 1.990408899 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 1319991560 positive integers (up to 1990408899) that are relatively prime to 1990408899.
1990408899 has 8 divisors, whose sum is 2667773952
The reverse of 1990408899 is 9988040991
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion nine hundred ninety million four hundred eight thousand eight hundred ninety-nine
Scientific notation
1.990408899 × 10^9
Engineering notation
1.990408899 × 10^9
Prime Factorization
3 × 191 × 3473663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990408899
Product of the distinct prime numbers
The prime factorization of 1990408899 is 3 × 191 × 3473663.
Since it has a total of 3 prime factors.
5 , 10 , 14 , 7 , 448 , 92 , 896 , 6730 , 16624 , 48750 , 621215 , 432892 , 2060999 , 4751695 , 26625168 , 20533188 , 339240451 , 782234540 , 4676512276 , 4319770961
n×2
3980817798
n×3
5971226697
n×4
7961635596
n×5
9952044495
n÷2
995204449.5
n÷3
663469633
n÷3
497602224.75
n÷5
398081779.8
n2
3961727585218392201
n3
7.8854578410325E+27
n4
1.569528545948E+37
n5
3.1240035850895E+46
2 √n
44613.998912897
3 √n
1257.9038168624
4 √n
211.22026160598
5 √n
72.408318289402
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
-1990408898
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 1990408899 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990408899) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000110011101011000011
3
Ternary
12010201022020201010
4
Quaternary
1312220303223003
5
Quinary
13034021041044
6
Senary
525301212003
8
Octal
16650635303
10
Decimal
1990408899
12
Duodecimal
476701003
16
Hexadecimal
76a33ac3
20
Vigesimal
1b20124j
36
Base36
wx1dc3
md5
b75a50572c7f642d1a0c49661baffdc2
sha1
3e003613a411baea81f679ee25f000f2fce4ebc3
sha256
0af981b1b34c792604b63bb1081fc0d99da50ddd7e29cef95c9fd358f97dbc7f
sha512
7496d0756a3bab50c058f732461a8379258a1b57037af9db532c9c7db9925e419300ac3b7a060bd48369dcadb9436031bf22d29dc92cdc9f5a6944f99c73c9a2
ripemd-160
46ee0ac3924ab83ef0a230c65623b28e9682b4af
Diameter
3980817798
Circumference
12506107949.476
Area
1.2446134277246E+19
Volume
3.3030528564773E+28
Surface area
4.9784537108985E+19
Circumference
12506107949.476
Perimeter
7961635596
Area
3961727585218392201
Diagonal
2814863259.6339
Surface area
2.377036551131E+19
Volume
7.8854578410325E+27
Space diagonal
3447489340.9052
Perimeter
5971226697
Area
1.7154783658364E+18
Altitude
1723744670.4526
Surface area
1.7154783658364E+18
Volume
9.2931011869245E+26
Height
938287753.2113