78780897 is an odd 8-digits composite number following 78780896
and preceding 78780898 . In scientific notation, it is written as 7.8780897 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 45925056 positive integers (up to 78780897) that are relatively prime to 78780897.
78780897 has 32 divisors, whose sum is 132316800
The reverse of 78780897 is 79808787
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million seven hundred eighty thousand eight hundred ninety-seven
Scientific notation
7.8780897 × 10^7
Engineering notation
7.8780897 × 10^6
Prime Factorization
13 × 9 × 3 × 19 × 11813
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78780897
Product of the distinct prime numbers
The prime factorization of 78780897 is 13 × 9 × 3 × 19 × 11813.
Since it has a total of 5 prime factors.
2 , 7 , 98 , 90 , 36 , 761 , 2574 , 8080 , 82027 , 18052 , 90752 , 731667 , 4570695 , 3111203 , 16598013 , 65799925 , 306204537 , 820086225 , 9637875812 , 6624811105
n×2
157561794
n×3
236342691
n×4
315123588
n×5
393904485
n÷2
39390448.5
n÷3
26260299
n÷3
19695224.25
n÷5
15756179.4
n2
6206429732124609
n3
4.8894810146425E+23
n4
3.85197700198E+31
n5
3.0346220343936E+39
2 √n
8875.8603526644
3 √n
428.6869935492
4 √n
94.211784574247
5 √n
37.956327417636
1 , 3 , 9 , 13 , 19 , 27 , 39 , 57 , 117 , 171 , 247 , 351 , 513 , 741 , 2223 , 6669 , 11813 , 35439 , 106317 , 153569 , 224447 , 318951 , 460707 , 673341 , 1382121 , 2020023 , 2917811 , 4146363 , 6060069 , 8753433 , 26260299 , 78780897
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78780896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78780897 can be divided by 32 positive divisors.
The sum of these divisors (counting 78780897) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101100100001100111100001
3
Ternary
12111020111002000
4
Quaternary
10230201213201
5
Quinary
130131442042
6
Senary
11452314213
8
Octal
454414741
10
Decimal
78780897
12
Duodecimal
22472969
16
Hexadecimal
4b219e1
20
Vigesimal
14c7c4h
36
Base36
1awjq9
md5
31c642cd67cd35065f6f9144936aa030
sha1
585651add9b465e968532e5d0c71d518e328ec86
sha256
d084e537745e9c314879119bade480671dcca3e0738983c203b310b4018b5450
sha512
de9de0a6f821f7fed0d28a6058b48035077555f457cfa28b981c3685518e62ab26a1334f04a7a1f5a24aa7bb741d64e408c313ee55ba61fa51adcf4421e28ea9
ripemd-160
3f9df0bb3578bb78a56f760e0d8015e728e3fa2e
Diameter
157561794
Circumference
494994974.51683
Area
1.9498074051464E+16
Volume
2.0481010180623E+24
Surface area
7.7992296205856E+16
Circumference
494994974.51683
Perimeter
315123588
Area
6206429732124609
Diagonal
111413012.99332
Surface area
37238578392747654
Volume
4.8894810146425E+23
Space diagonal
136452516.26985
Perimeter
236342691
Area
2.6874629074115E+15
Altitude
68226258.134925
Surface area
2.6874629074115E+15
Volume
5.7623086365609E+22
Height
37137670.997773