77881640 is an even 8-digits composite number following 77881639
and preceding 77881641 . In scientific notation, it is written as 7.7881640 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 31152640 positive integers (up to 77881640) that are relatively prime to 77881640.
77881640 has 16 divisors, whose sum is 175233780
The reverse of 77881640 is 04618877
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-seven million eight hundred eighty-one thousand six hundred forty
Scientific notation
7.7881640 × 10^7
Engineering notation
7.7881640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1947041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19470410
Product of the distinct prime numbers
The prime factorization of 77881640 is 2 × 2 × 2 × 5 × 1947041.
Since it has a total of 5 prime factors.
1 , 6 , 55 , 66 , 702 , 212 , 8724 , 7897 , 84327 , 78246 , 226392 , 358249 , 3342038 , 7185900 , 88100186 , 16731638 , 191743172 , 977081190 , 4004642052 , 3260975862
n×2
155763280
n×3
233644920
n×4
311526560
n×5
389408200
n÷2
38940820
n÷3
25960546.666667
n÷3
19470410
n÷5
15576328
n2
6065549849089600
n3
4.7239496974885E+23
n4
3.6790894971791E+31
n5
2.8653352374708E+39
2 √n
8825.0575068948
3 √n
427.04964257469
4 √n
93.941777218098
5 √n
37.869277346682
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1947041 , 3894082 , 7788164 , 9735205 , 15576328 , 19470410 , 38940820 , 77881640
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77881639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77881640 can be divided by 16 positive divisors.
The sum of these divisors (counting 77881640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101001000110000100101000
3
Ternary
12102112210112012
4
Quaternary
10221012010220
5
Quinary
124414203030
6
Senary
11421135052
8
Octal
451060450
10
Decimal
77881640
12
Duodecimal
220ba488
16
Hexadecimal
4a46128
20
Vigesimal
146f420
36
Base36
1ad9uw
md5
085f36452f7dbcea6ce401df718560f8
sha1
0397829a43be5c57557dda2f31989ce4e50f59a9
sha256
dda64bf7acb055115c25a9a54be2d30868bcbaedac424998065e875ebb65922f
sha512
ce64a131fae8e074eb4440cb447d44ab2442942555d92e33d26807a160e56a3f82058f13b3a034d5f0b826464864780bace4b114a6112b9f35fc88313cc9b199
ripemd-160
acbc80b8450a47cd5ad2e44a9a839a0db3d7a492
Diameter
155763280
Circumference
489344776.14705
Area
1.9055486845883E+16
Volume
1.9787634220743E+24
Surface area
7.622194738353E+16
Circumference
489344776.14705
Perimeter
311526560
Area
6065549849089600
Diagonal
110141271.54786
Surface area
36393299094537600
Volume
4.7239496974885E+23
Space diagonal
134894957.45679
Perimeter
233644920
Area
2.6264601286162E+15
Altitude
67447478.728394
Surface area
2.6264601286162E+15
Volume
5.5672281084638E+22
Height
36713757.18262