197139905 is an odd 9-digits composite number following 197139904
and preceding 197139906 . In scientific notation, it is written as 1.97139905 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 148433664 positive integers (up to 197139905) that are relatively prime to 197139905.
197139905 has 12 divisors, whose sum is 251304060
The reverse of 197139905 is 509931791
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred ninety-seven million one hundred thirty-nine thousand nine hundred five
Scientific notation
1.97139905 × 10^8
Engineering notation
1.97139905 × 10^6
Prime Factorization
5 × 17 × 17 × 136429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
11596465
Product of the distinct prime numbers
The prime factorization of 197139905 is 5 × 17 × 17 × 136429.
Since it has a total of 4 prime factors.
2 , 6 , 34 , 85 , 922 , 990 , 8292 , 1936 , 79155 , 90064 , 365083 , 726244 , 617547 , 5153603 , 43175402 , 11281995 , 977176720 , 69299196 , 7176549615 , 4446871599
n×2
394279810
n×3
591419715
n×4
788559620
n×5
985699525
n÷2
98569952.5
n÷3
65713301.666667
n÷3
49284976.25
n÷5
39427981
n2
38864142143409025
n3
7.6616732900582E+24
n4
1.5104215445431E+33
n5
2.9776435980118E+41
2 √n
14040.651872331
3 √n
582.00249661388
4 √n
118.49325665341
5 √n
45.598956954873
1 , 5 , 17 , 85 , 289 , 1445 , 136429 , 682145 , 2319293 , 11596465 , 39427981 , 197139905
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-197139904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 197139905 can be divided by 12 positive divisors.
The sum of these divisors (counting 197139905) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011110000000001110111000001
3
Ternary
111201221202002222
4
Quaternary
23300001313001
5
Quinary
400431434110
6
Senary
31321220425
8
Octal
1360016701
10
Decimal
197139905
12
Duodecimal
56031715
16
Hexadecimal
bc01dc1
20
Vigesimal
31c29f5
36
Base36
39de4h
md5
192c36e7dcda9bfd3c555127e8f5c32f
sha1
9807c23b345af81800204f317290224aba037574
sha256
81943439e08f9c66b5662c3ab94e29f994e6707b6aee4c01ed7e09b020189bc5
sha512
b0900f55a226128fb74d65c56e6b3ccd07297532fd2f56f40cd45ca2c435352e5070abc40dc31b6909c4dd6623ca3dfcdac7afc9fa311838934e7e3c088aa1ac
ripemd-160
781c4af67c64d46e263557d0fad727eacc5f4e4f
Diameter
394279810
Circumference
1238666554.5548
Area
1.220953034458E+17
Volume
3.2093142029669E+25
Surface area
4.8838121378321E+17
Circumference
1238666554.5548
Perimeter
788559620
Area
38864142143409025
Diagonal
278797927.33594
Surface area
233184852860454150
Volume
7.6616732900582E+24
Space diagonal
341456331.6593
Perimeter
591419715
Area
1.6828667196241E+16
Altitude
170728165.82965
Surface area
1.6828667196241E+16
Volume
9.0293685643933E+23
Height
92932642.445315