1990221577 is an odd 10-digits composite number following 1990221576
and preceding 1990221578 . In scientific notation, it is written as 1.990221577 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 1988930196 positive integers (up to 1990221577) that are relatively prime to 1990221577.
1990221577 has 4 divisors, whose sum is 1991512960
The reverse of 1990221577 is 7751220991
Previous prime number is 1543
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion nine hundred ninety million two hundred twenty-one thousand five hundred seventy-seven
Scientific notation
1.990221577 × 10^9
Engineering notation
1.990221577 × 10^9
Prime Factorization
1543 × 1289839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990221577
Product of the distinct prime numbers
The prime factorization of 1990221577 is 1543 × 1289839.
Since it has a total of 2 prime factors.
4 , 2 , 10 , 82 , 433 , 837 , 6416 , 2466 , 4551 , 66957 , 687282 , 766486 , 5333031 , 1957883 , 4619895 , 79799281 , 215547607 , 290591451 , 3067352371 , 5068460066
n×2
3980443154
n×3
5970664731
n×4
7960886308
n×5
9951107885
n÷2
995110788.5
n÷3
663407192.33333
n÷3
497555394.25
n÷5
398044315.4
n2
3960981925556366929
n3
7.8832316943493E+27
n4
1.5689377814584E+37
n5
3.1225338256291E+46
2 √n
44611.899500021
3 √n
1257.8643542087
4 √n
211.21529182335
5 √n
72.406955335123
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990221576
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990221577 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990221577) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000000101111100001001
3
Ternary
12010200221201202021
4
Quaternary
1312220011330021
5
Quinary
13033444042302
6
Senary
525253204441
8
Octal
16650057411
10
Decimal
1990221577
12
Duodecimal
476630721
16
Hexadecimal
76a05f09
20
Vigesimal
1b1ihdih
36
Base36
wwxcsp
md5
49e6708b10eb1398706c960e748c4870
sha1
d3aa1465a53f846c3ec948eab5fac67e65e12cb1
sha256
1bdd9a845b5f00225df322d946f4a1dc6c91890aed5fa4433487e6abd33fab7f
sha512
d319d338e4e9c02135572c06cf9bee401e2a97026ab8eb6b6e01f504e6969fd4312088fd181d22769c2bdffd1c952c95f6a7d9834611736aa1f3e26d6f4338fa
ripemd-160
5c8a9400737c71b3470c83e88dcee9cc2dc6496f
Diameter
3980443154
Circumference
12504930970.638
Area
1.244379171833E+19
Volume
3.3021203703352E+28
Surface area
4.9775166873319E+19
Circumference
12504930970.638
Perimeter
7960886308
Area
3960981925556366929
Diagonal
2814598346.321
Surface area
2.3765891553338E+19
Volume
7.8832316943493E+27
Space diagonal
3447164889.6839
Perimeter
5970664731
Area
1.7151554857314E+18
Altitude
1723582444.8419
Surface area
1.7151554857314E+18
Volume
9.2904776478985E+26
Height
938199448.77366