31386919 is an odd 8-digits prime number following 31386918
and preceding 31386920 . In scientific notation, it is written as 3.1386919 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 31386918 positive integers (up to 31386919) that are relatively prime to 31386919.
31386919 has 2 divisors, whose sum is 31386920
The reverse of 31386919 is 91968313
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty-one million three hundred eighty-six thousand nine hundred nineteen
Scientific notation
3.1386919 × 10^7
Engineering notation
3.1386919 × 10^6
Prime Factorization
31386919
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31386919
Product of the distinct prime numbers
The prime factorization of 31386919 is 31386919.
Since it has a total of 1 prime factors.
9 , 3 , 50 , 69 , 568 , 461 , 2155 , 6444 , 79424 , 52503 , 112168 , 405037 , 7243408 , 3630185 , 99562210 , 65744391 , 404590467 , 21430011 , 1620936165 , 6449661502
n×2
62773838
n×3
94160757
n×4
125547676
n×5
156934595
n÷2
15693459.5
n÷3
10462306.333333
n÷3
7846729.75
n÷5
6277383.8
n2
985138684312561
n3
3.0920468088285E+22
n4
9.7049822732908E+29
n5
3.0460949250822E+37
2 √n
5602.402966585
3 √n
315.43961127459
4 √n
74.849201509335
5 √n
31.575463717267
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31386920
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15693460
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5602.4030558324
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999362792
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31386919 can be divided by 2 positive divisors.
The sum of these divisors (counting 31386919) is 31386920, the average is 15693460.
Base
System
Value
2
Binary
1110111101110110100100111
3
Ternary
2012001121202111
4
Quaternary
1313232310213
5
Quinary
31013340134
6
Senary
3040421451
8
Octal
167566447
10
Decimal
31386919
12
Duodecimal
a617887
16
Hexadecimal
1deed27
20
Vigesimal
9g375j
36
Base36
ioqav
md5
7a0cb16dc40b8e80f3a1ab7316c3e768
sha1
af098a0fcc556da029ab22707f8774607357f1b8
sha256
07f9cbde9972d86418ca805bc6a3e672f8526a9e803c1071a7a02681b79912b4
sha512
c1d3cce25114138d7139cdc5119ddeb0e914aecded865663be01bfcbbdb1c2655d23d587761a74ed48de7e52d873170e6ec85b4a9822f7f93a7f3088db20f73c
ripemd-160
e794c9c2d4ef10a97e26026b264f7250c6ffe2de
Diameter
62773838
Circumference
197209828.29844
Area
3.0949044534035E+15
Volume
1.2951935385562E+23
Surface area
1.2379617813614E+16
Circumference
197209828.29844
Perimeter
125547676
Area
985138684312561
Diagonal
44387806.530906
Surface area
5910832105875366
Volume
3.0920468088285E+22
Space diagonal
54363738.401049
Perimeter
94160757
Area
4.2657756343273E+14
Altitude
27181869.200524
Surface area
4.2657756343273E+14
Volume
3.6440121104481E+21
Height
14795935.510302