1989968581 is an odd 10-digits composite number following 1989968580
and preceding 1989968582 . In scientific notation, it is written as 1.989968581 × 10^9.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 1951661712 positive integers (up to 1989968581) that are relatively prime to 1989968581.
1989968581 has 8 divisors, whose sum is 2028304800
The reverse of 1989968581 is 1858699891
Previous prime number is 3323
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion nine hundred eighty-nine million nine hundred sixty-eight thousand five hundred eighty-one
Scientific notation
1.989968581 × 10^9
Engineering notation
1.989968581 × 10^9
Prime Factorization
53 × 3323 × 11299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1989968581
Product of the distinct prime numbers
The prime factorization of 1989968581 is 53 × 3323 × 11299.
Since it has a total of 3 prime factors.
8 , 8 , 59 , 43 , 956 , 514 , 4157 , 1936 , 32782 , 25442 , 629859 , 995591 , 592785 , 8837045 , 18226690 , 86742139 , 727463033 , 599765450 , 4508721057 , 4539157521
n×2
3979937162
n×3
5969905743
n×4
7959874324
n×5
9949842905
n÷2
994984290.5
n÷3
663322860.33333
n÷3
497492145.25
n÷5
397993716.2
n2
3959974953367153561
n3
7.8802257387476E+27
n4
1.5681401631295E+37
n5
3.120549655232E+46
2 √n
44609.063888407
3 √n
1257.8110522482
4 √n
211.20857910702
5 √n
72.405114374115
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
-1989968580
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 1989968581 can be divided by 8 positive divisors.
The sum of these divisors (counting 1989968581) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110100111001000001011000101
3
Ternary
12010200110212201001
4
Quaternary
1312213020023011
5
Quinary
13033412443311
6
Senary
525243533301
8
Octal
16647101305
10
Decimal
1989968581
12
Duodecimal
47652a231
16
Hexadecimal
769c82c5
20
Vigesimal
1b1h6191
36
Base36
wwrxl1
md5
e15f1bef586ac5c224e4b4b2dfc605b7
sha1
84bc00122b5535bfe7e106c9dbf537226dd83f3b
sha256
00a9a75e0ea513643f274d0d9fdd9fb79c8b3a3ae26ded8d2884b0e7e26b64e9
sha512
fca2e1a5e35524c5b667a6bfd6fcd11c4915afe4b211182cf52f304fa8b0e05f9bdd21a8c9af65153411d27104eb9ebcdc076a9ca825e0f763df7542f103cd10
ripemd-160
f4b255570cefa5d1e982f44e4af2cfa3e0229125
Diameter
3979937162
Circumference
12503341349.888
Area
1.2440628221898E+19
Volume
3.3008612385971E+28
Surface area
4.9762512887591E+19
Circumference
12503341349.888
Perimeter
7959874324
Area
3959974953367153561
Diagonal
2814240555.9465
Surface area
2.3759849720203E+19
Volume
7.8802257387476E+27
Space diagonal
3446726687.7577
Perimeter
5969905743
Area
1.714719453983E+18
Altitude
1723363343.8789
Surface area
1.714719453983E+18
Volume
9.2869350952486E+26
Height
938080185.31551