1990338021 is an odd 10-digits composite number following 1990338020
and preceding 1990338022 . In scientific notation, it is written as 1.990338021 × 10^9.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 1136404080 positive integers (up to 1990338021) that are relatively prime to 1990338021.
1990338021 has 16 divisors, whose sum is 2781173120
The reverse of 1990338021 is 1208330991
Previous prime number is 4413
Is Prime? no Number parity odd Number length 10 Sum of Digits 36 Digital Root 9
Name
one billion nine hundred ninety million three hundred thirty-eight thousand twenty-one
Scientific notation
1.990338021 × 10^9
Engineering notation
1.990338021 × 10^9
Prime Factorization
3 × 21 × 4413 × 7159
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1990338021 Product of the distinct prime numbers
The prime factorization of 1990338021 is 3 × 21 × 4413 × 7159.
Since it has a total of 4 prime factors.
7 , 9 , 19 , 5 , 986 , 78 , 3880 , 8894 , 71223 , 92860 , 775844 , 112446 , 3866287 , 7404666 , 62216240 , 97160603 , 898834381 , 800456091 , 7703396902 , 3263966237
n×2
3980676042
n×3
5971014063
n×4
7961352084
n×5
9951690105
n÷2
995169010.5
n÷3
663446007
n÷3
497584505.25
n÷5
398067604.2
n2
3961445437838196441
n3
7.8846154730464E+27
n4
1.5693049956969E+37
n5
3.1234473994808E+46
2 √n44613.20455874
3 √n1257.8888854639
4 √n211.21838120471
5 √n72.407802593367
1 , 3 , 21 , 63 , 4413 , 7159 , 13239 , 21477 , 92673 , 150339 , 278019 , 451017 , 31592667 , 94778001 , 663446007 , 1990338021
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990338020 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990338021 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990338021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101000100010010111100101
3
Ternary
12010201011122111000
4
Quaternary
1312220202113211
5
Quinary
13034011304041
6
Senary
525255503513
8
Octal
16650422745
10
Decimal
1990338021
12
Duodecimal
476687b99
16
Hexadecimal
76a225e5
20
Vigesimal
1b1jc511
36
Base36
wwzun9
md5
bf6ef70a774abec5889bef4b33f42d87
sha1
239aac26328bc9886e6ad0e4a19127f129b7013e
sha256
f9342bfb644f00edc4915a0a8213aae577e37d82624fbb5faa981f6bccd05e74
sha512
3839947fa0fe9f55ae002fd9b868d9754e44d7c938e5f19f23b71cabadaf64daaadc02a8a85d82f1d8265533b3e99b4c83d20fb1ce3155ef508f084542612b19
ripemd-160
3b73ef3bd3aac5c8be8907078275cd17671b0cd9
Diameter
3980676042
Circumference
12505662609.868
Area
1.2445247885109E+19
Volume
3.3027000062004E+28
Surface area
4.9780991540437E+19
Circumference
12505662609.868
Perimeter
7961352084
Area
3961445437838196441
Diagonal
2814763023.005
Surface area
2.3768672627029E+19
Volume
7.8846154730464E+27
Space diagonal
3447366576.6081
Perimeter
5971014063
Area
1.7153561924369E+18
Altitude
1723683288.304
Surface area
1.7153561924369E+18
Volume
9.2921084467324E+26
Height
938254341.00168