1989968588 is an even 10-digits composite number following 1989968587
and preceding 1989968589 . In scientific notation, it is written as 1.989968588 × 10^9.
The sum of its digits is 71. It has a total of 4 prime factors and 12 positive divisors.
There are 987149520 positive integers (up to 1989968588) that are relatively prime to 1989968588.
1989968588 has 12 divisors, whose sum is 3509866752
The reverse of 1989968588 is 8858699891
Previous prime number is 127
Is Prime? no
Number parity even
Number length 10
Sum of Digits 71
Digital Root 8
Name
one billion nine hundred eighty-nine million nine hundred sixty-eight thousand five hundred eighty-eight
Scientific notation
1.989968588 × 10^9
Engineering notation
1.989968588 × 10^9
Prime Factorization
2 × 2 × 127 × 3917261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
994984294
Product of the distinct prime numbers
The prime factorization of 1989968588 is 2 × 2 × 127 × 3917261.
Since it has a total of 4 prime factors.
1 , 5 , 49 , 21 , 804 , 848 , 6304 , 8386 , 26667 , 97454 , 724123 , 796578 , 3596174 , 1994942 , 55245000 , 70889716 , 146130207 , 345444780 , 3427120558 , 3604010066
n×2
3979937176
n×3
5969905764
n×4
7959874352
n×5
9949842940
n÷2
994984294
n÷3
663322862.66667
n÷3
497492147
n÷5
397993717.6
n2
3959974981226713744
n3
7.8802258219071E+27
n4
1.5681401851942E+37
n5
3.1205497101169E+46
2 √n
44609.063966867
3 √n
1257.811053723
4 √n
211.20857929276
5 √n
72.405114425054
1 , 2 , 4 , 127 , 254 , 508 , 3917261 , 7834522 , 15669044 , 497492147 , 994984294 , 1989968588
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1989968587
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1989968588 can be divided by 12 positive divisors.
The sum of these divisors (counting 1989968588) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110100111001000001011001100
3
Ternary
12010200110212201022
4
Quaternary
1312213020023030
5
Quinary
13033412443323
6
Senary
525243533312
8
Octal
16647101314
10
Decimal
1989968588
12
Duodecimal
47652a238
16
Hexadecimal
769c82cc
20
Vigesimal
1b1h6198
36
Base36
wwrxl8
md5
9b612bf9aca1529f5905885b43c9a444
sha1
a6c516ab53c2f03a5d10e62bf504c45b5ac97b1e
sha256
3288463a05bfc7101de32deb5d9d9df83958942eb0a8ed415c6c1076d8a11a3a
sha512
0c9943474660a7c5976e8ae0cdb9daa19452502d2bf4ead0a08344b2957f0adba3a0f834b942165752c82da924a2ea9ccdb4b84a08ba238a27d254eb5c43a915
ripemd-160
d25d77e270003192b1e18d5cde6309d3f12d86cf
Diameter
3979937176
Circumference
12503341393.871
Area
1.2440628309421E+19
Volume
3.3008612734309E+28
Surface area
4.9762513237685E+19
Circumference
12503341393.871
Perimeter
7959874352
Area
3959974981226713744
Diagonal
2814240565.846
Surface area
2.375984988736E+19
Volume
7.8802258219071E+27
Space diagonal
3446726699.8821
Perimeter
5969905764
Area
1.7147194660466E+18
Altitude
1723363349.941
Surface area
1.7147194660466E+18
Volume
9.286935193253E+26
Height
938080188.61535