77984989 is an odd 8-digits prime number following 77984988
and preceding 77984990 . In scientific notation, it is written as 7.7984989 × 10^7.
The sum of its digits is 61. It has a total of 1 prime factors and 2 positive divisors.
There are 77984988 positive integers (up to 77984989) that are relatively prime to 77984989.
77984989 has 2 divisors, whose sum is 77984990
The reverse of 77984989 is 98948977
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
seventy-seven million nine hundred eighty-four thousand nine hundred eighty-nine
Scientific notation
7.7984989 × 10^7
Engineering notation
7.7984989 × 10^6
Prime Factorization
77984989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
77984989
Product of the distinct prime numbers
The prime factorization of 77984989 is 77984989.
Since it has a total of 1 prime factors.
7 , 9 , 67 , 63 , 67 , 338 , 4054 , 4026 , 61688 , 21835 , 326214 , 846545 , 4985988 , 1663492 , 54987655 , 44126708 , 755771648 , 968893373 , 1480713691 , 6120822597
n×2
155969978
n×3
233954967
n×4
311939956
n×5
389924945
n÷2
38992494.5
n÷3
25994996.333333
n÷3
19496247.25
n÷5
15596997.8
n2
6081658509330121
n3
4.7427807195187E+23
n4
3.6986570224107E+31
n5
2.8843972720747E+39
2 √n
8830.9109949087
3 √n
427.23845748848
4 √n
93.972926925305
5 √n
37.879322528515
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
77984990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
38992495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8830.911051528
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999974354
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77984989 can be divided by 2 positive divisors.
The sum of these divisors (counting 77984989) is 77984990, the average is 38992495.
Base
System
Value
2
Binary
100101001011111010011011101
3
Ternary
12102202001021221
4
Quaternary
10221133103131
5
Quinary
124431004424
6
Senary
11423253341
8
Octal
451372335
10
Decimal
77984989
12
Duodecimal
2214a251
16
Hexadecimal
4a5f4dd
20
Vigesimal
1478299
36
Base36
1afhlp
md5
f66f16e285826c53f15d0923552b6f0d
sha1
ec59cac60cd2d01f18c991a9ce7787b0d26a3b5f
sha256
228ba5406312227db3cbe2e3f2d099612f9281e4290fcd807f7d0b585501e919
sha512
992a7585f202b0513f08fd654286d90113bf509a41499f78ca2a6c96ccd0a374ff751d547f7fb78872f5cf3f511decb937678a25aeb5fabc6a550efc546a1b23
ripemd-160
c9bdc9bc088dcc8813235ab4d39b9e49bce497bb
Diameter
155969978
Circumference
489994137.06536
Area
1.9106093694553E+16
Volume
1.986651342137E+24
Surface area
7.6424374778213E+16
Circumference
489994137.06536
Perimeter
311939956
Area
6081658509330121
Diagonal
110287429.10532
Surface area
36489951055980726
Volume
4.7427807195187E+23
Space diagonal
135073963.1757
Perimeter
233954967
Area
2.6334353831108E+15
Altitude
67536981.58785
Surface area
2.6334353831108E+15
Volume
5.5894206807541E+22
Height
36762476.368439