77989997 is an odd 8-digits composite number following 77989996
and preceding 77989998 . In scientific notation, it is written as 7.7989997 × 10^7.
The sum of its digits is 65. It has a total of 2 prime factors and 4 positive divisors.
There are 77929020 positive integers (up to 77989997) that are relatively prime to 77989997.
77989997 has 4 divisors, whose sum is 78050976
The reverse of 77989997 is 79998977
Previous prime number is 1307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 65
Digital Root 2
Name
seventy-seven million nine hundred eighty-nine thousand nine hundred ninety-seven
Scientific notation
7.7989997 × 10^7
Engineering notation
7.7989997 × 10^6
Prime Factorization
1307 × 59671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77989997
Product of the distinct prime numbers
The prime factorization of 77989997 is 1307 × 59671.
Since it has a total of 2 prime factors.
4 , 1 , 32 , 7 , 228 , 676 , 1728 , 2730 , 22757 , 16695 , 186370 , 268200 , 16791 , 756989 , 86443111 , 12873971 , 178872308 , 802452927 , 8260555491 , 6515182226
n×2
155979994
n×3
233969991
n×4
311959988
n×5
389949985
n÷2
38994998.5
n÷3
25996665.666667
n÷3
19497499.25
n÷5
15597999.4
n2
6082439632060009
n3
4.7436944865704E+23
n4
3.6996071877654E+31
n5
2.88532353475E+39
2 √n
8831.1945398117
3 √n
427.24760268606
4 √n
93.974435565273
5 √n
37.879809018998
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77989996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77989997 can be divided by 4 positive divisors.
The sum of these divisors (counting 77989997) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001100000100001101101
3
Ternary
12102202022011102
4
Quaternary
10221200201231
5
Quinary
124431134442
6
Senary
11423332445
8
Octal
451404155
10
Decimal
77989997
12
Duodecimal
22151125
16
Hexadecimal
4a6086d
20
Vigesimal
1478ejh
36
Base36
1aflgt
md5
de67ed138a5e535ca2061044eae92ac3
sha1
15be66cb75ce01f305b41a4abff33126fe205ae7
sha256
01edc3eba4b773c8e71d6d9522378c0f1c1829bccd6a01268fb5f4e4f03069e3
sha512
da60754fc4777998fdcfb544360e99c70290150e7490759b945c04244ce118364b893f7001774b0d39f68f989e64034ea85380a0b2b0a0202c56cafc90a67bd8
ripemd-160
5a6d6f6255a6f9c4612e438bf16d5353c00c93c1
Diameter
155979994
Circumference
490025603.25738
Area
1.9108547663983E+16
Volume
1.9870340999845E+24
Surface area
7.6434190655933E+16
Circumference
490025603.25738
Perimeter
311959988
Area
6082439632060009
Diagonal
110294511.48684
Surface area
36494637792360054
Volume
4.7436944865704E+23
Space diagonal
135082637.28614
Perimeter
233969991
Area
2.6337736191746E+15
Altitude
67541318.643072
Surface area
2.6337736191746E+15
Volume
5.590497565552E+22
Height
36764837.162279