1990398468 is an even 10-digits composite number following 1990398467
and preceding 1990398469 . In scientific notation, it is written as 1.990398468 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 12 positive divisors.
There are 663466152 positive integers (up to 1990398468) that are relatively prime to 1990398468.
1990398468 has 12 divisors, whose sum is 4644263120
The reverse of 1990398468 is 8648930991
Previous prime number is 3
Is Prime? no Number parity even Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion nine hundred ninety million three hundred ninety-eight thousand four hundred sixty-eight
Scientific notation
1.990398468 × 10^9
Engineering notation
1.990398468 × 10^9
Prime Factorization
2 × 2 × 3 × 165866539
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
995199234 Product of the distinct prime numbers
The prime factorization of 1990398468 is 2 × 2 × 3 × 165866539.
Since it has a total of 4 prime factors.
9 , 9 , 68 , 1 , 164 , 751 , 2874 , 3707 , 38952 , 59181 , 912662 , 252343 , 9685924 , 2433315 , 18086686 , 22689187 , 411347343 , 500733436 , 389033686 , 7899373914
n×2
3980796936
n×3
5971195404
n×4
7961593872
n×5
9951992340
n÷2
995199234
n÷3
663466156
n÷3
497599617
n÷5
398079693.6
n2
3961686061416747024
n3
7.8853338673408E+27
n4
1.5694956449224E+37
n5
3.1239217271862E+46
2 √n44613.882009975
3 √n1257.901619455
4 √n211.21998487353
5 √n72.408242396177
1 , 2 , 3 , 4 , 6 , 12 , 165866539 , 331733078 , 497599617 , 663466156 , 995199234 , 1990398468
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990398467 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990398468 can be divided by 12 positive divisors.
The sum of these divisors (counting 1990398468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101000110001001000000100
3
Ternary
12010201021201101210
4
Quaternary
1312220301020010
5
Quinary
13034020222333
6
Senary
525301051420
8
Octal
16650611004
10
Decimal
1990398468
12
Duodecimal
4766b6b70
16
Hexadecimal
76a31204
20
Vigesimal
1b1jjg38
36
Base36
wx15ac
md5
611b13c7c82a7f578119a32e29e66ad9
sha1
843188ff047878befd64cdd1e2ca9b7cf286ccbf
sha256
bfc5b8133bd94a327d3370c047d8caa2759db082cd8dc7c3c643baa12c57fb70
sha512
70c9503319b2754194d80c24818b4223b6923019a33647c9aa38c6c17dee15f5970215a2e84e3433019cb6974d0303f0645066922bcfeb5481d38f77f2d689ca
ripemd-160
9fc70e4cfab4c244257182014c7fc239f7d5ec01
Diameter
3980796936
Circumference
12506042409.57
Area
1.2446003826376E+19
Volume
3.3030009264988E+28
Surface area
4.9784015305504E+19
Circumference
12506042409.57
Perimeter
7961593872
Area
3961686061416747024
Diagonal
2814848507.9722
Surface area
2.37701163685E+19
Volume
7.8853338673408E+27
Space diagonal
3447471273.8833
Perimeter
5971195404
Area
1.7154603855028E+18
Altitude
1723735636.9416
Surface area
1.7154603855028E+18
Volume
9.2929550825278E+26
Height
938282835.99074