77881969 is an odd 8-digits composite number following 77881968
and preceding 77881970 . In scientific notation, it is written as 7.7881969 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 66690000 positive integers (up to 77881969) that are relatively prime to 77881969.
77881969 has 16 divisors, whose sum is 89948160
The reverse of 77881969 is 96918877
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-seven million eight hundred eighty-one thousand nine hundred sixty-nine
Scientific notation
7.7881969 × 10^7
Engineering notation
7.7881969 × 10^6
Prime Factorization
11 × 19 × 191 × 1951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77881969
Product of the distinct prime numbers
The prime factorization of 77881969 is 11 × 19 × 191 × 1951.
Since it has a total of 4 prime factors.
3 , 4 , 17 , 96 , 187 , 550 , 919 , 5882 , 40705 , 43241 , 717166 , 232261 , 1967176 , 4537259 , 10863015 , 46988627 , 201022998 , 857027023 , 242982600 , 8667700223
n×2
155763938
n×3
233645907
n×4
311527876
n×5
389409845
n÷2
38940984.5
n÷3
25960656.333333
n÷3
19470492.25
n÷5
15576393.8
n2
6065601095316961
n3
4.7240095647184E+23
n4
3.679151664751E+31
n5
2.8653957590044E+39
2 √n
8825.0761469803
3 √n
427.05024391083
4 √n
93.941876428887
5 √n
37.869309341312
1 , 11 , 19 , 191 , 209 , 1951 , 2101 , 3629 , 21461 , 37069 , 39919 , 372641 , 407759 , 4099051 , 7080179 , 77881969
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
-77881968
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 77881969 can be divided by 16 positive divisors.
The sum of these divisors (counting 77881969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101001000110001001110001
3
Ternary
12102112210222101
4
Quaternary
10221012021301
5
Quinary
124414210334
6
Senary
11421140401
8
Octal
451061161
10
Decimal
77881969
12
Duodecimal
220ba701
16
Hexadecimal
4a46271
20
Vigesimal
146f4i9
36
Base36
1ada41
md5
c6ca0baf6756da554fc02675b04dc540
sha1
260824acbfa60a03d74cd905639edf39df0f0ca4
sha256
a19e9959a81b8bfe1041b0689556c5a4784234068f58b7d65e2e449fa5da76fc
sha512
de54139cd36e113f640abd38c49e85ab8ec22fda5e4146a5178599c04ffa2f4c85c8091d3bba0ecb4cc0baee92c220d92d6a2795309f709b735140a9921ba335
ripemd-160
a20aacf99bac0cd2f7ae04658d546dc33e84d4f3
Diameter
155763938
Circumference
489346843.31502
Area
1.9055647840654E+16
Volume
1.978788499201E+24
Surface area
7.6222591362616E+16
Circumference
489346843.31502
Perimeter
311527876
Area
6065601095316961
Diagonal
110141736.82412
Surface area
36393606571901766
Volume
4.7240095647184E+23
Space diagonal
134895527.3015
Perimeter
233645907
Area
2.6264823188836E+15
Altitude
67447763.650752
Surface area
2.6264823188836E+15
Volume
5.5672986626708E+22
Height
36713912.274707