79897987 is an odd 8-digits composite number following 79897986
and preceding 79897988 . In scientific notation, it is written as 7.9897987 × 10^7.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 71208480 positive integers (up to 79897987) that are relatively prime to 79897987.
79897987 has 4 divisors, whose sum is 80110296
The reverse of 79897987 is 78979897
Previous prime number is 377
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 64
Digital Root 1
Name
seventy-nine million eight hundred ninety-seven thousand nine hundred eighty-seven
Scientific notation
7.9897987 × 10^7
Engineering notation
7.9897987 × 10^6
Prime Factorization
377 × 211931
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
79897987
Product of the distinct prime numbers
The prime factorization of 79897987 is 377 × 211931.
Since it has a total of 2 prime factors.
5 , 9 , 9 , 3 , 977 , 188 , 1054 , 8567 , 58420 , 17812 , 925562 , 190173 , 5905297 , 4850112 , 88696367 , 75953795 , 71429135 , 52532189 , 915058946 , 4134820671
n×2
159795974
n×3
239693961
n×4
319591948
n×5
399489935
n÷2
39948993.5
n÷3
26632662.333333
n÷3
19974496.75
n÷5
15979597.4
n2
6383688326652169
n3
5.1004384693491E+23
n4
4.0751476651835E+31
n5
3.2559609517591E+39
2 √n
8938.5673908071
3 √n
430.70370981402
4 √n
94.543997116724
5 √n
38.063363945396
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
-79897986
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 79897987 can be divided by 4 positive divisors.
The sum of these divisors (counting 79897987) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000110010010110000011
3
Ternary
12120100020102201
4
Quaternary
10300302112003
5
Quinary
130423213422
6
Senary
11532254031
8
Octal
460622603
10
Decimal
79897987
12
Duodecimal
22911317
16
Hexadecimal
4c32583
20
Vigesimal
14j74j7
36
Base36
1bkhoj
md5
8b9a1c3bc1137280e3f639def7e32c2e
sha1
b798baa14db52b7a9524f3e043c7ba19e7e5216c
sha256
8a654ff9924e804ca8f58e7243dc512b1e30b14fec9079083dd3d4177257b484
sha512
9046643f953a1d0305bad3f87132a7734e816451bc34e3b359793e8ca9db23ae71146dad87799b6e9a6e17174a74b1f34112daaa16587cc110b727c82ad79121
ripemd-160
0f258dda4274910af1f3def609cb7a56831f30d8
Diameter
159795974
Circumference
502013857.99163
Area
2.0054948349817E+16
Volume
2.1364666700525E+24
Surface area
8.0219793399269E+16
Circumference
502013857.99163
Perimeter
319591948
Area
6383688326652169
Diagonal
112992816.82171
Surface area
38302129959913014
Volume
5.1004384693491E+23
Space diagonal
138387372.90648
Perimeter
239693961
Area
2.7642181303615E+15
Altitude
69193686.453239
Surface area
2.7642181303615E+15
Volume
6.0109243811691E+22
Height
37664272.273903