199987861 is an odd 9-digits composite number following 199987860
and preceding 199987862 . In scientific notation, it is written as 1.99987861 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 199129312 positive integers (up to 199987861) that are relatively prime to 199987861.
199987861 has 4 divisors, whose sum is 200846412
The reverse of 199987861 is 168789991
Previous prime number is 233
Is Prime? no Number parity odd Number length 9 Sum of Digits 58 Digital Root 4
Name
one hundred ninety-nine million nine hundred eighty-seven thousand eight hundred sixty-one
Scientific notation
1.99987861 × 10^8
Engineering notation
1.99987861 × 10^6
Prime Factorization
233 × 858317
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
199987861 Product of the distinct prime numbers
The prime factorization of 199987861 is 233 × 858317.
Since it has a total of 2 prime factors.
10 , 4 , 42 , 27 , 833 , 292 , 4074 , 5162 , 32944 , 54035 , 825083 , 215417 , 7929513 , 5172816 , 1180690 , 73499695 , 514169658 , 869489103 , 3419423824 , 1009984128
n×2
399975722
n×3
599963583
n×4
799951444
n×5
999939305
n÷2
99993930.5
n÷3
66662620.333333
n÷3
49996965.25
n÷5
39997572.2
n2
39995144547355321
n3
7.9985434084114E+24
n4
1.5996115873638E+33
n5
3.1990289978771E+41
2 √n14141.706438758
3 √n584.79171585275
4 √n118.91890698605
5 √n45.729950056652
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
-199987860 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 199987861 can be divided by 4 positive divisors.
The sum of these divisors (counting 199987861) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011111010111001001010010101
3
Ternary
111221022102202211
4
Quaternary
23322321022111
5
Quinary
402144102421
6
Senary
31502233421
8
Octal
1372711225
10
Decimal
199987861
12
Duodecimal
56b85871
16
Hexadecimal
beb9295
20
Vigesimal
329i9d1
36
Base36
3b2fmd
md5
9af9bbde725a309a7f6e71945bf13156
sha1
ff4b7f0c1c71b46e5b4c0a9de156ce53270aa0ca
sha256
86013ae6680b9e84b40ea1310759ce71b643e0a8f342cfb79e97a215a9477a75
sha512
a2daab23355f8c1c5809e6ce9b9b97da304eb45df4eb99872714c1cedc1fbf77cd34c5556798cccd42382dbea67ac5c41b5d2908e7d402cf9b7e3d88140a2830
ripemd-160
881aaf84f4a7e02dd1a46a9b55355f021fddc40e
Diameter
399975722
Circumference
1256560789.8495
Area
1.2564845228923E+17
Volume
3.3504220281712E+25
Surface area
5.0259380915693E+17
Circumference
1256560789.8495
Perimeter
799951444
Area
39995144547355321
Diagonal
282825545.33619
Surface area
239970867284131926
Volume
7.9985434084114E+24
Space diagonal
346389136.14902
Perimeter
599963583
Area
1.731840560302E+16
Altitude
173194568.07451
Surface area
1.731840560302E+16
Volume
9.4263738061711E+23
Height
94275181.778728