1988409968 is an even 10-digits composite number following 1988409967
and preceding 1988409969 . In scientific notation, it is written as 1.988409968 × 10^9.
The sum of its digits is 62. It has a total of 6 prime factors and 20 positive divisors.
There are 993281664 positive integers (up to 1988409968) that are relatively prime to 1988409968.
1988409968 has 20 divisors, whose sum is 3856122240
The reverse of 1988409968 is 8699048891
Previous prime number is 1087
Is Prime? no
Number parity even
Number length 10
Sum of Digits 62
Digital Root 8
Name
one billion nine hundred eighty-eight million four hundred nine thousand nine hundred sixty-eight
Scientific notation
1.988409968 × 10^9
Engineering notation
1.988409968 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 1087 × 114329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
248551246
Product of the distinct prime numbers
The prime factorization of 1988409968 is 2 × 2 × 2 × 2 × 1087 × 114329.
Since it has a total of 6 prime factors.
2 , 5 , 40 , 94 , 245 , 760 , 658 , 5224 , 35672 , 48190 , 642391 , 205122 , 69759 , 3088484 , 49713208 , 77300167 , 883042300 , 551285119 , 407680410 , 9630114770
n×2
3976819936
n×3
5965229904
n×4
7953639872
n×5
9942049840
n÷2
994204984
n÷3
662803322.66667
n÷3
497102492
n÷5
397681993.6
n2
3953774200841761024
n3
7.861724032175E+27
n4
1.5632330431242E+37
n5
3.1083481652551E+46
2 √n
44591.590776737
3 √n
1257.4825792716
4 √n
211.16721046776
5 √n
72.393768775401
1 , 2 , 4 , 8 , 16 , 1087 , 2174 , 4348 , 8696 , 17392 , 114329 , 228658 , 457316 , 914632 , 1829264 , 124275623 , 248551246 , 497102492 , 994204984 , 1988409968
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
-1988409967
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 1988409968 can be divided by 20 positive divisors.
The sum of these divisors (counting 1988409968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110100001001011101001110000
3
Ternary
12010120112200200122
4
Quaternary
1312201023221300
5
Quinary
13033013104333
6
Senary
525150305412
8
Octal
16641135160
10
Decimal
1988409968
12
Duodecimal
475ab8268
16
Hexadecimal
7684ba70
20
Vigesimal
1b17b4i8
36
Base36
wvuiy8
md5
684c83f48b14426471ce89df883b724c
sha1
786e6207e2049601415653597ce6471a9358f5c4
sha256
5c41cb94fdd997b1607096a8b13f4b81cb1834c33a1f93ca424f7eed580ce55e
sha512
c29e1f0ddf9228a97b8d47f4b0be4020b325bbe88482d5961e0fd931b799ce9417414f672b1af9c50577d8cc73d7034a17708649ab114c346f6a233d320124bb
ripemd-160
41c181eba79d47c58e645584b121154569fdbe1f
Diameter
3976819936
Circumference
12493548295.587
Area
1.2421147983317E+19
Volume
3.2931112618708E+28
Surface area
4.9684591933269E+19
Circumference
12493548295.587
Perimeter
7953639872
Area
3953774200841761024
Diagonal
2812036344.3035
Surface area
2.3722645205051E+19
Volume
7.861724032175E+27
Space diagonal
3444027090.8524
Perimeter
5965229904
Area
1.7120344493782E+18
Altitude
1722013545.4262
Surface area
1.7120344493782E+18
Volume
9.265130624947E+26
Height
937345448.10115