1990221579 is an odd 10-digits composite number following 1990221578
and preceding 1990221580 . In scientific notation, it is written as 1.990221579 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 1269126672 positive integers (up to 1990221579) that are relatively prime to 1990221579.
1990221579 has 8 divisors, whose sum is 2307503520
The reverse of 1990221579 is 9751220991
Previous prime number is 23
Is Prime? no Number parity odd Number length 10 Sum of Digits 45 Digital Root 9
Name
one billion nine hundred ninety million two hundred twenty-one thousand five hundred seventy-nine
Scientific notation
1.990221579 × 10^9
Engineering notation
1.990221579 × 10^9
Prime Factorization
9 × 23 × 9614597
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1990221579 Product of the distinct prime numbers
The prime factorization of 1990221579 is 9 × 23 × 9614597.
Since it has a total of 3 prime factors.
9 , 10 , 22 , 47 , 323 , 210 , 9785 , 1332 , 50607 , 72645 , 218509 , 278605 , 5103055 , 7084347 , 39097892 , 4477245 , 121306993 , 708160324 , 3777193802 , 8511082184
n×2
3980443158
n×3
5970664737
n×4
7960886316
n×5
9951107895
n÷2
995110789.5
n÷3
663407193
n÷3
497555394.75
n÷5
398044315.8
n2
3960981933517253241
n3
7.8832317181152E+27
n4
1.568937787765E+37
n5
3.1225338413184E+46
2 √n44611.899522437
3 √n1257.86435463
4 √n211.21529187641
5 √n72.406955349676
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
-1990221578 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 1990221579 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990221579) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000000101111100001011
3
Ternary
12010200221201202100
4
Quaternary
1312220011330023
5
Quinary
13033444042304
6
Senary
525253204443
8
Octal
16650057413
10
Decimal
1990221579
12
Duodecimal
476630723
16
Hexadecimal
76a05f0b
20
Vigesimal
1b1ihdij
36
Base36
wwxcsr
md5
16af4612652d8c345f34efc32078d544
sha1
db6de338f6baaf72883f4873aec0e614de41d072
sha256
dcb967d96f88007d305434f7a19c454ae65c93d5bc3da26fdf8fa607142f67ec
sha512
51564f91e7ce732f965190d66feab0c17abd80c4d2e0857f019923daf2e63af3d2c74601078741df8551426f1fdb787e6dc4e757d57df4bf1fb17ea95deec2fd
ripemd-160
67a2d3b3c53c8880f6e9a5b2a2f5950e620b2a61
Diameter
3980443158
Circumference
12504930983.205
Area
1.244379174334E+19
Volume
3.3021203802902E+28
Surface area
4.9775166973359E+19
Circumference
12504930983.205
Perimeter
7960886316
Area
3960981933517253241
Diagonal
2814598349.1494
Surface area
2.3765891601104E+19
Volume
7.8832317181152E+27
Space diagonal
3447164893.148
Perimeter
5970664737
Area
1.7151554891786E+18
Altitude
1723582446.574
Surface area
1.7151554891786E+18
Volume
9.2904776759069E+26
Height
938199449.71647