77771990 is an even 8-digits composite number following 77771989
and preceding 77771991 . In scientific notation, it is written as 7.7771990 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 31083840 positive integers (up to 77771990) that are relatively prime to 77771990.
77771990 has 16 divisors, whose sum is 140101920
The reverse of 77771990 is 09917777
Previous prime number is 1721
Is Prime? no Number parity even Number length 8 Sum of Digits 47 Digital Root 2
Name
seventy-seven million seven hundred seventy-one thousand nine hundred ninety
Scientific notation
7.7771990 × 10^7
Engineering notation
7.7771990 × 10^6
Prime Factorization
2 × 5 × 1721 × 4519
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
77771990 Product of the distinct prime numbers
The prime factorization of 77771990 is 2 × 5 × 1721 × 4519.
Since it has a total of 4 prime factors.
1 , 2 , 39 , 39 , 603 , 752 , 8127 , 9013 , 82380 , 62276 , 913267 , 330036 , 5382214 , 9828558 , 65222149 , 93014782 , 861393424 , 298048417 , 7116734088 , 7675563480
n×2
155543980
n×3
233315970
n×4
311087960
n×5
388859950
n÷2
38885995
n÷3
25923996.666667
n÷3
19442997.5
n÷5
15554398
n2
6048482428560100
n3
4.7040251494915E+23
n4
3.65841396886E+31
n5
2.8452213460204E+39
2 √n8818.8428946206
3 √n426.84913324609
4 √n93.908694457013
5 √n37.85860806264
1 , 2 , 5 , 10 , 1721 , 3442 , 4519 , 8605 , 9038 , 17210 , 22595 , 45190 , 7777199 , 15554398 , 38885995 , 77771990
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
-77771989 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 77771990 can be divided by 16 positive divisors.
The sum of these divisors (counting 77771990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000101011010011010110
3
Ternary
12102100020010002
4
Quaternary
10220223103112
5
Quinary
124402200430
6
Senary
11414531302
8
Octal
450532326
10
Decimal
77771990
12
Duodecimal
22066b32
16
Hexadecimal
4a2b4d6
20
Vigesimal
14619ja
36
Base36
1aax92
md5
26252dc538986ff7be8145f6b296a16e
sha1
c6691842cd92ea628fbd5556f5ce0ba9aa51d26e
sha256
399d5bb388c3b0088a72c9fa094321512f5e1ec733792709c88850540b59f714
sha512
33df319b8d778a28a856b92128431d21ad714e1cfd56030cb9cf6bd3e4c6f7edc1a2d92e55e6e15fbf962f5eb54203f19a64f0ea1d389951acd595d611c98949
ripemd-160
c7689ff5ec19137762c8e154609cce4a3afb6335
Diameter
155543980
Circumference
488655824.87812
Area
1.9001867962931E+16
Volume
1.9704174469259E+24
Surface area
7.6007471851725E+16
Circumference
488655824.87812
Perimeter
311087960
Area
6048482428560100
Diagonal
109986203.03074
Surface area
36290894571360600
Volume
4.7040251494915E+23
Space diagonal
134705038.08574
Perimeter
233315970
Area
2.6190697187384E+15
Altitude
67352519.042869
Surface area
2.6190697187384E+15
Volume
5.5437468034625E+22
Height
36662067.676915