381640187 is an odd 9-digits prime number following 381640186
and preceding 381640188 . In scientific notation, it is written as 3.81640187 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 381640186 positive integers (up to 381640187) that are relatively prime to 381640187.
381640187 has 2 divisors, whose sum is 381640188
The reverse of 381640187 is 781046183
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
three hundred eighty-one million six hundred forty thousand one hundred eighty-seven
Scientific notation
3.81640187 × 10^8
Engineering notation
3.81640187 × 10^6
Prime Factorization
381640187
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
381640187
Product of the distinct prime numbers
The prime factorization of 381640187 is 381640187.
Since it has a total of 1 prime factors.
6 , 3 , 27 , 61 , 974 , 232 , 8854 , 6838 , 21389 , 7411 , 7717 , 991220 , 1600489 , 2646844 , 24311734 , 66641768 , 980699210 , 494606025 , 8016836733 , 9567400373
n×2
763280374
n×3
1144920561
n×4
1526560748
n×5
1908200935
n÷2
190820093.5
n÷3
127213395.66667
n÷3
95410046.75
n÷5
76328037.4
n2
145649232333394969
n3
5.5585600264123E+25
n4
2.1213698879307E+34
n5
8.0960000072605E+42
2 √n
19535.613299817
3 √n
725.35626533044
4 √n
139.76985833797
5 √n
52.039224980471
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
381640188
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
190820094
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19535.613325412
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999947595
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381640187 can be divided by 2 positive divisors.
The sum of these divisors (counting 381640187) is 381640188, the average is 190820094.
Base
System
Value
2
Binary
10110101111110101110111111011
3
Ternary
222121010022220202
4
Quaternary
112233311313323
5
Quinary
1240144441222
6
Senary
101511512415
8
Octal
2657656773
10
Decimal
381640187
12
Duodecimal
a798870b
16
Hexadecimal
16bf5dfb
20
Vigesimal
5j55097
36
Base36
6b7vgb
md5
c9a0acfef7a779a993336a6383f62ffe
sha1
ef6294290ebcd0a00883e68c3d8022004eb24ce0
sha256
094630d66b90dce9e96d32f22be96fc4b7a717361f590848ecb65b58daebc92c
sha512
1a7054a7ecedf9977952a66b0d5578adfd0af20733172c1fdc1b1decc3d4ce50f23df462ce405ba613fbef4bc4185e0fb34af38b1ff47e26f7e60e7c3ad8c396
ripemd-160
ea9b3fe65c59d9758df92e405a7fc6f46ae0d5dc
Diameter
763280374
Circumference
2397916015.5877
Area
4.5757055829959E+17
Volume
2.3283641791353E+26
Surface area
1.8302822331983E+18
Circumference
2397916015.5877
Perimeter
1526560748
Area
145649232333394969
Diagonal
539720728.402
Surface area
873895394000369814
Volume
5.5585600264123E+25
Space diagonal
661020194.09409
Perimeter
1144920561
Area
6.3067967621211E+16
Altitude
330510097.04704
Surface area
6.3067967621211E+16
Volume
6.5508258138477E+24
Height
179906909.46733