1998401072 is an even 10-digits composite number following 1998401071
and preceding 1998401073 . In scientific notation, it is written as 1.998401072 × 10^9.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 998432448 positive integers (up to 1998401072) that are relatively prime to 1998401072.
1998401072 has 20 divisors, whose sum is 3874878480
The reverse of 1998401072 is 2701048991
Previous prime number is 1319
Is Prime? no
Number parity even
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion nine hundred ninety-eight million four hundred one thousand seventy-two
Scientific notation
1.998401072 × 10^9
Engineering notation
1.998401072 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 1319 × 94693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
249800134
Product of the distinct prime numbers
The prime factorization of 1998401072 is 2 × 2 × 2 × 2 × 1319 × 94693.
Since it has a total of 6 prime factors.
8 , 7 , 21 , 78 , 963 , 86 , 8653 , 284 , 97458 , 7130 , 703041 , 558448 , 8370977 , 9444431 , 25620102 , 309678 , 89263570 , 572411923 , 178418604 , 9795922532
n×2
3996802144
n×3
5995203216
n×4
7993604288
n×5
9992005360
n÷2
999200536
n÷3
666133690.66667
n÷3
499600268
n÷5
399680214.4
n2
3993606844570749184
n3
7.9808281993367E+27
n4
1.5948895629002E+37
n5
3.1872290122214E+46
2 √n
44703.479417155
3 √n
1259.58520654
4 √n
211.43197349775
5 √n
72.466373955109
1 , 2 , 4 , 8 , 16 , 1319 , 2638 , 5276 , 10552 , 21104 , 94693 , 189386 , 378772 , 757544 , 1515088 , 124900067 , 249800134 , 499600268 , 999200536 , 1998401072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998401071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998401072 can be divided by 20 positive divisors.
The sum of these divisors (counting 1998401072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110111000111010010111000110000
3
Ternary
12011021100021220112
4
Quaternary
1313013102320300
5
Quinary
13043042313242
6
Senary
530144400452
8
Octal
16707227060
10
Decimal
1998401072
12
Duodecimal
479316128
16
Hexadecimal
771d2e30
20
Vigesimal
1b4a02dc
36
Base36
x1so4w
md5
51f5033b4a4421a1c9d507d589d61632
sha1
a3b1fa2bde82c040fa2f0a448ae1e705430f0868
sha256
f0ecf7244fc30653ead08b296418eb43abc3962bc740c7faf430f7ca89ffa008
sha512
40e50598de8d41570422ed379af2aa63556557a56ac101bf2d188a4c1ab1b2ecd0b22bd0f8457fb002f9cfdc415c82f26780f54f79e2f14ee3b158797ca9a868
ripemd-160
05a4cc9cb73fce115fcee7ea99204741fa8d9f57
Diameter
3996802144
Circumference
12556324253.442
Area
1.2546285924229E+19
Volume
3.3430014987465E+28
Surface area
5.0185143696918E+19
Circumference
12556324253.442
Perimeter
7993604288
Area
3993606844570749184
Diagonal
2826165899.0833
Surface area
2.3961641067424E+19
Volume
7.9808281993367E+27
Space diagonal
3461332190.6041
Perimeter
5995203216
Area
1.7292824900628E+18
Altitude
1730666095.3021
Surface area
1.7292824900628E+18
Volume
9.4054962320597E+26
Height
942055299.69444