381387907 is an odd 9-digits composite number following 381387906
and preceding 381387908 . In scientific notation, it is written as 3.81387907 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 380307136 positive integers (up to 381387907) that are relatively prime to 381387907.
381387907 has 4 divisors, whose sum is 382468680
The reverse of 381387907 is 709783183
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred eighty-one million three hundred eighty-seven thousand nine hundred seven
Scientific notation
3.81387907 × 10^8
Engineering notation
3.81387907 × 10^6
Prime Factorization
353 × 1080419
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
381387907
Product of the distinct prime numbers
The prime factorization of 381387907 is 353 × 1080419.
Since it has a total of 2 prime factors.
7 , 6 , 59 , 79 , 778 , 771 , 297 , 5731 , 39899 , 17495 , 813093 , 231458 , 6639601 , 4320237 , 32922496 , 20513055 , 625390867 , 274091022 , 8141770456 , 3501677470
n×2
762775814
n×3
1144163721
n×4
1525551628
n×5
1906939535
n÷2
190693953.5
n÷3
127129302.33333
n÷3
95346976.75
n÷5
76277581.4
n2
145456735605840649
n3
5.5475439951764E+25
n4
2.1157661933107E+34
n5
8.0692764016814E+42
2 √n
19529.155306874
3 √n
725.19639990254
4 √n
139.74675419084
5 √n
52.032343143136
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
-381387906
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 381387907 can be divided by 4 positive divisors.
The sum of these divisors (counting 381387907) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110101110111000010010000011
3
Ternary
222120122111212001
4
Quaternary
112232320102003
5
Quinary
1240113403112
6
Senary
101502244431
8
Octal
2656702203
10
Decimal
381387907
12
Duodecimal
a7886717
16
Hexadecimal
16bb8483
20
Vigesimal
5j3d9f7
36
Base36
6b2gsj
md5
816aa243dbb255ebc6b9b971f12230c5
sha1
abbc7806fa6ee4df14d18d7bf12be357d64dcbeb
sha256
dea268c0dd6d8fd6318ad11dd3419045730d9ba091abe49069714093bf629a03
sha512
c76d362b0b1b298d7416604c342d0ae6ffad8524ab36fa656b2fe7134a6646b5f7d2949e4c9b3c5a02cb1043d97530eb06cc226c2f9f8cbb6e20d04b462ade50
ripemd-160
274258f7f01a23af503e06bb673021cc30783250
Diameter
762775814
Circumference
2396330893.5984
Area
4.5696581199446E+17
Volume
2.3237497947616E+26
Surface area
1.8278632479778E+18
Circumference
2396330893.5984
Perimeter
1525551628
Area
145456735605840649
Diagonal
539363950.60449
Surface area
872740413635043894
Volume
5.5475439951764E+25
Space diagonal
660583232.31635
Perimeter
1144163721
Area
6.2984614093107E+16
Altitude
330291616.15818
Surface area
6.2984614093107E+16
Volume
6.5378432965332E+24
Height
179787983.53483