1988649968 is an even 10-digits composite number following 1988649967
and preceding 1988649969 . In scientific notation, it is written as 1.988649968 × 10^9.
The sum of its digits is 68. It has a total of 5 prime factors and 10 positive divisors.
There are 994324976 positive integers (up to 1988649968) that are relatively prime to 1988649968.
1988649968 has 10 divisors, whose sum is 3853009344
The reverse of 1988649968 is 8699468891
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 68 Digital Root 5
Name
one billion nine hundred eighty-eight million six hundred forty-nine thousand nine hundred sixty-eight
Scientific notation
1.988649968 × 10^9
Engineering notation
1.988649968 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 124290623
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
248581246 Product of the distinct prime numbers
The prime factorization of 1988649968 is 2 × 2 × 2 × 2 × 124290623.
Since it has a total of 5 prime factors.
5 , 7 , 16 , 6 , 671 , 408 , 4552 , 277 , 96895 , 16266 , 804797 , 930593 , 2196638 , 8108191 , 661636 , 86570206 , 658011350 , 966279127 , 8396478515 , 5952056962
n×2
3977299936
n×3
5965949904
n×4
7954599872
n×5
9943249840
n÷2
994324984
n÷3
662883322.66667
n÷3
497162492
n÷5
397729993.6
n2
3954728695226401024
n3
7.8645710932107E+27
n4
1.5639879052847E+37
n5
3.1102244977968E+46
2 √n44594.281785897
3 √n1257.5331697237
4 √n211.1735821212
5 √n72.395516268725
10 divisors
τ Total Divisors
10 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1988649967 Sum of the proper positive divisors of n
A Arithmetic Mean
0.1 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
10 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1988649968 can be divided by 10 positive divisors.
The sum of these divisors (counting 1988649968) is 1, the average is 0.1.
Base
System
Value
2
Binary
1110110100010000110001111110000
3
Ternary
12010120222212220112
4
Quaternary
1312202012033300
5
Quinary
13033043244333
6
Senary
525155400452
8
Octal
16642061760
10
Decimal
1988649968
12
Duodecimal
475bb3128
16
Hexadecimal
768863f0
20
Vigesimal
1b1914i8
36
Base36
wvzo4w
md5
cc6a8f104e26296548baf7b1e65a950a
sha1
bca944944e071f73731451f226f0ffc07199451c
sha256
b29153d0b5a56f324a06fc7d83d794b897d8ccec4caa14c7ab9b4773f39f514c
sha512
ee42a82444e48784f1582b4a885c0ff418a039f82c679f46550657cc5be5e93819f5906e863509c2d0f7b8272004a279f05be90f854c6205e7dcf769f188cd17
ripemd-160
5c9b22c24be1ffe5729a70a1258918a2f75de4ea
Diameter
3977299936
Circumference
12495056260.061
Area
1.2424146615864E+19
Volume
3.2943038360087E+28
Surface area
4.9696586463456E+19
Circumference
12495056260.061
Perimeter
7954599872
Area
3954728695226401024
Diagonal
2812375755.5584
Surface area
2.3728372171358E+19
Volume
7.8645710932107E+27
Space diagonal
3444442783.0462
Perimeter
5965949904
Area
1.7124477575707E+18
Altitude
1722221391.5231
Surface area
1.7124477575707E+18
Volume
9.2684859185549E+26
Height
937458585.18614