2788890961 is an odd 10-digits composite number following 2788890960
and preceding 2788890962 . In scientific notation, it is written as 2.788890961 × 10^9.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 2754135552 positive integers (up to 2788890961) that are relatively prime to 2788890961.
2788890961 has 8 divisors, whose sum is 2823863400
The reverse of 2788890961 is 1690988872
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
two billion seven hundred eighty-eight million eight hundred ninety thousand nine hundred sixty-one
Scientific notation
2.788890961 × 10^9
Engineering notation
2.788890961 × 10^9
Prime Factorization
149 × 173 × 108193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2788890961
Product of the distinct prime numbers
The prime factorization of 2788890961 is 149 × 173 × 108193.
Since it has a total of 3 prime factors.
2 , 6 , 13 , 91 , 162 , 923 , 219 , 2742 , 73617 , 41338 , 752940 , 27261 , 8878573 , 6054369 , 34858973 , 12854627 , 529300807 , 573802402 , 5770558844 , 7859497855
n×2
5577781922
n×3
8366672883
n×4
11155563844
n×5
13944454805
n÷2
1394445480.5
n÷3
929630320.33333
n÷3
697222740.25
n÷5
557778192.2
n2
7777912792347503521
n3
2.1691750682024E+28
n4
6.0495927405363E+37
n5
1.6871654511813E+47
2 √n
52809.95134442
3 √n
1407.5932587351
4 √n
229.80415867521
5 √n
77.461572117819
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
-2788890960
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 2788890961 can be divided by 8 positive divisors.
The sum of these divisors (counting 2788890961) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100110001110110001100101010001
3
Ternary
21012100210100011211
4
Quaternary
2212032301211101
5
Quinary
21202424002321
6
Senary
1140423340121
8
Octal
24616614521
10
Decimal
2788890961
12
Duodecimal
659bb1641
16
Hexadecimal
a63b1951
20
Vigesimal
23bab781
36
Base36
1a4fm1d
md5
24981b3c92f2eed1f6b4068d8978bd03
sha1
9d8dbd3877a11075df507925ef6d54ffeb367b33
sha256
6bcb5f71d2c3a428ef6b6413479780a857a1b8668822048e98c68c86fb48d403
sha512
c3b1033d2ea879fb975c195c5559c0151c6532b1b5527e5499e4020e4df74255c93e133ebfc1cfd76fcc2c4ca32678f027c449c916a486f72dbc703a1f79fdc1
ripemd-160
863b14ea76471095ec6f3232a5a9631657adb7ec
Diameter
5577781922
Circumference
17523118709.481
Area
2.4435033688701E+19
Volume
9.0862192781532E+28
Surface area
9.7740134754804E+19
Circumference
17523118709.481
Perimeter
11155563844
Area
7777912792347503521
Diagonal
3944087421.0259
Surface area
4.6667476754085E+19
Volume
2.1691750682024E+28
Space diagonal
4830500841.2216
Perimeter
8366672883
Area
3.3679350332964E+18
Altitude
2415250420.6108
Surface area
3.3679350332964E+18
Volume
2.5563973338445E+27
Height
1314695807.0086