1990494816 is an even 10-digits composite number following 1990494815
and preceding 1990494817 . In scientific notation, it is written as 1.990494816 × 10^9.
The sum of its digits is 51. It has a total of 7 prime factors and 24 positive divisors.
There are 663498240 positive integers (up to 1990494816) that are relatively prime to 1990494816.
1990494816 has 24 divisors, whose sum is 5225049144
The reverse of 1990494816 is 6184940991
Previous prime number is 3
Is Prime? no Number parity even Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion nine hundred ninety million four hundred ninety-four thousand eight hundred sixteen
Scientific notation
1.990494816 × 10^9
Engineering notation
1.990494816 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 20734321
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
124405926 Product of the distinct prime numbers
The prime factorization of 1990494816 is 2 × 2 × 2 × 2 × 2 × 3 × 20734321.
Since it has a total of 7 prime factors.
8 , 8 , 100 , 41 , 76 , 379 , 5111 , 4265 , 72355 , 15161 , 204308 , 401971 , 1194424 , 970210 , 15167703 , 15138012 , 187045508 , 464776805 , 5732014957 , 2331168931
n×2
3980989632
n×3
5971484448
n×4
7961979264
n×5
9952474080
n÷2
995247408
n÷3
663498272
n÷3
497623704
n÷5
398098963.2
n2
3962069612522873856
n3
7.8864790243579E+27
n4
1.5697995614477E+37
n5
3.1246778892208E+46
2 √n44614.961795344
3 √n1257.921915952
4 √n211.22254092626
5 √n72.408943386896
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 20734321 , 41468642 , 62202963 , 82937284 , 124405926 , 165874568 , 248811852 , 331749136 , 497623704 , 663498272 , 995247408 , 1990494816
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
-1990494815 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 1990494816 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990494816) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101001001000101001100000
3
Ternary
12010201110121120020
4
Quaternary
1312221020221200
5
Quinary
13034031313231
6
Senary
525303113440
8
Octal
16651105140
10
Decimal
1990494816
12
Duodecimal
476742880
16
Hexadecimal
76a48a60
20
Vigesimal
1b20bh0g
36
Base36
wx37mo
md5
797c3cd66f31e4e70889627fee0501bb
sha1
e6974e5a4512a4d32793acae5dfd8b2798179b3c
sha256
ce8e43152e64923768c8f55a5c5c55947ec7656ec5cecb2f40803d194229532f
sha512
773b9042381b3ae43b7248588a6fd3f773ed9d4012a65b715ba04eb5cf34d59fc9467b2f1d1380a2546152929ed0f8dfd4ec4ef7c7385c9cfffdfe6b5c24092e
ripemd-160
2b23706ce26ba8db193427ab7eb266f97ace76cd
Diameter
3980989632
Circumference
12506647781.908
Area
1.2447208787713E+19
Volume
3.3034806087484E+28
Surface area
4.9788835150853E+19
Circumference
12506647781.908
Perimeter
7961979264
Area
3962069612522873856
Diagonal
2814984764.6205
Surface area
2.3772417675137E+19
Volume
7.8864790243579E+27
Space diagonal
3447638153.5145
Perimeter
5971484448
Area
1.7156264680036E+18
Altitude
1723819076.7572
Surface area
1.7156264680036E+18
Volume
9.2943046630149E+26
Height
938328254.87351