1990221578 is an even 10-digits composite number following 1990221577
and preceding 1990221579 . In scientific notation, it is written as 1.990221578 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 994965580 positive integers (up to 1990221578) that are relatively prime to 1990221578.
1990221578 has 8 divisors, whose sum is 2985768000
The reverse of 1990221578 is 8751220991
Previous prime number is 7211
Is Prime? no Number parity even Number length 10 Sum of Digits 44 Digital Root 8
Name
one billion nine hundred ninety million two hundred twenty-one thousand five hundred seventy-eight
Scientific notation
1.990221578 × 10^9
Engineering notation
1.990221578 × 10^9
Prime Factorization
2 × 7211 × 137999
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1990221578 Product of the distinct prime numbers
The prime factorization of 1990221578 is 2 × 7211 × 137999.
Since it has a total of 3 prime factors.
10 , 2 , 30 , 16 , 887 , 130 , 6205 , 4596 , 23538 , 49102 , 47509 , 644235 , 8436905 , 2954951 , 64495181 , 25289 , 957252795 , 625874427 , 8722136539 , 8821088866
n×2
3980443156
n×3
5970664734
n×4
7960886312
n×5
9951107890
n÷2
995110789
n÷3
663407192.66667
n÷3
497555394.5
n÷5
398044315.6
n2
3960981929536810084
n3
7.8832317062322E+27
n4
1.5689377846117E+37
n5
3.1225338334738E+46
2 √n44611.899511229
3 √n1257.8643544194
4 √n211.21529184988
5 √n72.406955342399
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
-1990221577 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 1990221578 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990221578) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000000101111100001010
3
Ternary
12010200221201202022
4
Quaternary
1312220011330022
5
Quinary
13033444042303
6
Senary
525253204442
8
Octal
16650057412
10
Decimal
1990221578
12
Duodecimal
476630722
16
Hexadecimal
76a05f0a
20
Vigesimal
1b1ihdii
36
Base36
wwxcsq
md5
a8ef1ffa45e2ce541e3763c8ba5a4d4f
sha1
bd9c3fa0c460512ea03f927e16a5295de15b1f39
sha256
2048b271bc5328a7a93799ac2745d2933d19150af6c0e91e4c0262e236747756
sha512
e7d19c8c5b5d4464e0e0d9c80da2a3c18f258db2801ae0542de1ad60aa2762d57a6a7a2e06d216b489c87801b63a3ec4ea95ac0f7168b33a2733b4395414d70a
ripemd-160
7d3a065a19ebdf28d778047adb80a9256c25e0d6
Diameter
3980443156
Circumference
12504930976.921
Area
1.2443791730835E+19
Volume
3.3021203753127E+28
Surface area
4.9775166923339E+19
Circumference
12504930976.921
Perimeter
7960886312
Area
3960981929536810084
Diagonal
2814598347.7352
Surface area
2.3765891577221E+19
Volume
7.8832317062322E+27
Space diagonal
3447164891.4159
Perimeter
5970664734
Area
1.715155487455E+18
Altitude
1723582445.708
Surface area
1.715155487455E+18
Volume
9.2904776619027E+26
Height
938199449.24506