990765881 is an odd 9-digits composite number following 990765880
and preceding 990765882 . In scientific notation, it is written as 9.90765881 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 829478160 positive integers (up to 990765881) that are relatively prime to 990765881.
990765881 has 8 divisors, whose sum is 1158636864
The reverse of 990765881 is 188567099
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
nine hundred ninety million seven hundred sixty-five thousand eight hundred eighty-one
Scientific notation
9.90765881 × 10^8
Engineering notation
9.90765881 × 10^6
Prime Factorization
7 × 43 × 3291581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
990765881
Product of the distinct prime numbers
The prime factorization of 990765881 is 7 × 43 × 3291581.
Since it has a total of 3 prime factors.
6 , 9 , 60 , 32 , 932 , 544 , 8140 , 3596 , 48241 , 71956 , 632586 , 683083 , 6123159 , 1273989 , 5476279 , 16337749 , 45361665 , 177705966 , 3300276931 , 3215621528
n×2
1981531762
n×3
2972297643
n×4
3963063524
n×5
4953829405
n÷2
495382940.5
n÷3
330255293.66667
n÷3
247691470.25
n÷5
198153176.2
n2
981617030953706161
n3
9.7255266247745E+26
n4
9.6357199545837E+35
n5
9.5467425698724E+44
2 √n
31476.433740181
3 √n
996.91243709996
4 √n
177.41599065524
5 √n
62.978774935192
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
-990765880
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 990765881 can be divided by 8 positive divisors.
The sum of these divisors (counting 990765881) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000011011110001100111001
3
Ternary
2120001022010021122
4
Quaternary
323003132030321
5
Quinary
4012114002011
6
Senary
242151315025
8
Octal
7303361471
10
Decimal
990765881
12
Duodecimal
23797ba75
16
Hexadecimal
3b0de339
20
Vigesimal
f9c5ee1
36
Base36
gdvjuh
md5
4e450c0456076b8cca13a82c9dd7c7c1
sha1
a3d87e2e4e4c76eac3f8f5740c496ec4c2b13f6f
sha256
00af79e0edb3072d059b044f00bca0630913e900a7e0f2b87923615127e668b3
sha512
03755a2c3955234905e0a67d1cacb0965ebcc29c545a9ec3f73f708e7362d324bcca7c5022eae9a49eb365d89479bb6e0cbf2dbec2e712e76272e96023651d3c
ripemd-160
df8f2aa96695e39c227a173f42dcd9940fbd0905
Diameter
1981531762
Circumference
6225165626.354
Area
3.0838408530828E+18
Volume
4.0738190662245E+27
Surface area
1.2335363412331E+19
Circumference
6225165626.354
Perimeter
3963063524
Area
981617030953706161
Diagonal
1401154546.0467
Surface area
5889702185722236966
Volume
9.7255266247745E+26
Space diagonal
1716056844.2977
Perimeter
2972297643
Area
4.2505264279668E+17
Altitude
858028422.14887
Surface area
4.2505264279668E+17
Volume
1.1461643044981E+26
Height
467051515.34891