1990255668 is an even 10-digits composite number following 1990255667
and preceding 1990255669 . In scientific notation, it is written as 1.990255668 × 10^9.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 661905600 positive integers (up to 1990255668) that are relatively prime to 1990255668.
1990255668 has 24 divisors, whose sum is 4654520640
The reverse of 1990255668 is 8665520991
Previous prime number is 439
Is Prime? no Number parity even Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion nine hundred ninety million two hundred fifty-five thousand six hundred sixty-eight
Scientific notation
1.990255668 × 10^9
Engineering notation
1.990255668 × 10^9
Prime Factorization
2 × 2 × 3 × 439 × 377801
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
995127834 Product of the distinct prime numbers
The prime factorization of 1990255668 is 2 × 2 × 3 × 439 × 377801.
Since it has a total of 5 prime factors.
3 , 9 , 91 , 53 , 445 , 776 , 973 , 3498 , 42802 , 84260 , 988460 , 166852 , 1311265 , 2136220 , 74856570 , 18342539 , 291727250 , 152576117 , 6809041235 , 3706908818
n×2
3980511336
n×3
5970767004
n×4
7961022672
n×5
9951278340
n÷2
995127834
n÷3
663418556
n÷3
497563917
n÷5
398051133.6
n2
3961117624006126224
n3
7.8836368027929E+27
n4
1.5690452831212E+37
n5
3.1228012680806E+46
2 √n44612.281582542
3 √n1257.871536258
4 √n211.21619630734
5 √n72.40720338877
1 , 2 , 3 , 4 , 6 , 12 , 439 , 878 , 1317 , 1756 , 2634 , 5268 , 377801 , 755602 , 1133403 , 1511204 , 2266806 , 4533612 , 165854639 , 331709278 , 497563917 , 663418556 , 995127834 , 1990255668
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
-1990255667 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 1990255668 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990255668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101000001110010000110100
3
Ternary
12010201000110111220
4
Quaternary
1312220032100310
5
Quinary
13034001140133
6
Senary
525254030340
8
Octal
16650162064
10
Decimal
1990255668
12
Duodecimal
4766483b0
16
Hexadecimal
76a0e434
20
Vigesimal
1b1j1j38
36
Base36
wwy33o
md5
a0f5ce3de3edc89cb0426251ec20545e
sha1
6296a28ffdc9de175e7710632c13591e1522f871
sha256
7db555d52a77c19e8760a865d7c0336fd4d7896aba6a39d3d346dde4176a0ff9
sha512
c99ee023b7bf7802a76943bcf80ad1041926ecab29ac83f3c5c5a1672155dd0bb70fb323ad4e673fc53aa48121ce9833802153fe5ac4711494e6e7b41b178a25
ripemd-160
bc43346cf102d44cd413619ef23feb55de4f0024
Diameter
3980511336
Circumference
12505145170.708
Area
1.2444218027583E+19
Volume
3.3022900617632E+28
Surface area
4.9776872110331E+19
Circumference
12505145170.708
Perimeter
7961022672
Area
3961117624006126224
Diagonal
2814646558.2755
Surface area
2.3766705744037E+19
Volume
7.8836368027929E+27
Space diagonal
3447223937.0279
Perimeter
5970767004
Area
1.7152142448838E+18
Altitude
1723611968.514
Surface area
1.7152142448838E+18
Volume
9.2909550727778E+26
Height
938215519.42517