199640891 is an odd 9-digits prime number following 199640890
and preceding 199640892 . In scientific notation, it is written as 1.99640891 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 199640890 positive integers (up to 199640891) that are relatively prime to 199640891.
199640891 has 2 divisors, whose sum is 199640892
The reverse of 199640891 is 198046991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
one hundred ninety-nine million six hundred forty thousand eight hundred ninety-one
Scientific notation
1.99640891 × 10^8
Engineering notation
1.99640891 × 10^6
Prime Factorization
199640891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
199640891 Product of the distinct prime numbers
The prime factorization of 199640891 is 199640891.
Since it has a total of 1 prime factors.
9 , 7 , 36 , 12 , 466 , 763 , 812 , 7930 , 72378 , 80023 , 323769 , 754327 , 8178520 , 5401998 , 42905287 , 71388458 , 493216138 , 137129833 , 3515588956 , 9851721054
n×2
399281782
n×3
598922673
n×4
798563564
n×5
998204455
n÷2
99820445.5
n÷3
66546963.666667
n÷3
49910222.75
n÷5
39928178.2
n2
39856485359273881
n3
7.9569842492539E+24
n4
1.588539425194E+33
n5
3.1713742623436E+41
2 √n14129.433498906
3 √n584.45332424959
4 √n118.86729364676
5 √n45.714071149275
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
199640892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
99820446 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
14129.433534293 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999989982 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199640891 can be divided by 2 positive divisors.
The sum of these divisors (counting 199640891) is 199640892, the average is 99820446.
Base
System
Value
2
Binary
1011111001100100011100111011
3
Ternary
111220122210211002
4
Quaternary
23321210130323
5
Quinary
402102002031
6
Senary
31450555215
8
Octal
1371443473
10
Decimal
199640891
12
Duodecimal
56a38b0b
16
Hexadecimal
be6473b
20
Vigesimal
327f24b
36
Base36
3auzwb
md5
04c18a3535aa5623f1122f21c94fd2d3
sha1
15b3dcc92796cf0f61aca62539a38db53d7b4d6a
sha256
2fb51f6469db6891831adb5b259d5a1fd5b43f107aeddb1045e62b8b58506858
sha512
7560f498f36c7e24c714ecddf74ce26bfa65d6da16ebe0f9030b544156de93c75124d60bcc08b96020466c877b3573f68e0cf10039d0fd54831f6be64e3700dd
ripemd-160
322ee0287b251c5bde31de66ed3f3b6b09baceaf
Diameter
399281782
Circumference
1254380713.0434
Area
1.252128416026E+17
Volume
3.3330137682914E+25
Surface area
5.0085136641042E+17
Circumference
1254380713.0434
Perimeter
798563564
Area
39856485359273881
Diagonal
282334855.65645
Surface area
239138912155643286
Volume
7.9569842492539E+24
Space diagonal
345788166.48032
Perimeter
598922673
Area
1.7258364413347E+16
Altitude
172894083.24016
Surface area
1.7258364413347E+16
Volume
9.3773958674033E+23
Height
94111618.55215