19972891 is an odd 8-digits composite number following 19972890
and preceding 19972892 . In scientific notation, it is written as 1.9972891 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 19595992 positive integers (up to 19972891) that are relatively prime to 19972891.
19972891 has 4 divisors, whose sum is 20349792
The reverse of 19972891 is 19827991
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred seventy-two thousand eight hundred ninety-one
Scientific notation
1.9972891 × 10^7
Engineering notation
1.9972891 × 10^6
Prime Factorization
53 × 376847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19972891
Product of the distinct prime numbers
The prime factorization of 19972891 is 53 × 376847.
Since it has a total of 2 prime factors.
10 , 2 , 98 , 8 , 896 , 758 , 6156 , 9706 , 63269 , 79069 , 484985 , 699843 , 66069 , 7823302 , 32977330 , 92207777 , 438880536 , 856557421 , 8828627341 , 8082052099
n×2
39945782
n×3
59918673
n×4
79891564
n×5
99864455
n÷2
9986445.5
n÷3
6657630.3333333
n÷3
4993222.75
n÷5
3994578.2
n2
398916374897881
n3
7.9675132739505E+21
n4
1.5913427416167E+29
n5
3.1783715121951E+36
2 √n
4469.1040489118
3 √n
271.31906429412
4 √n
66.851357868871
5 √n
28.846171843394
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
-19972890
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 19972891 can be divided by 4 positive divisors.
The sum of these divisors (counting 19972891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001100001100011011
3
Ternary
1101120201122201
4
Quaternary
1030030030123
5
Quinary
20103113031
6
Senary
1552031031
8
Octal
114141433
10
Decimal
19972891
12
Duodecimal
6832477
16
Hexadecimal
130c31b
20
Vigesimal
64gc4b
36
Base36
bw36j
md5
6fdee94beb996480d4af512f21536e87
sha1
1254af9ce802a5de21f2768e02fa1a8344909eb5
sha256
0fbd786c487d3ba13f88d3a321b6f89c1863bed403c23db2c4c595eab99a7cbd
sha512
10ffe7a8306eb727d47ded69d3fb9a2caaa13b1c5ecfa8beba8a99fbcc965536925023bd16e18b6340f939236721017bc6222d68da03f059504802be4e551275
ripemd-160
27b6b8fecbfdcd915cc75d25538574532cd855a1
Diameter
39945782
Circumference
125493375.2731
Area
1.2532327527759E+15
Volume
3.3374241558429E+22
Surface area
5.0129310111034E+15
Circumference
125493375.2731
Perimeter
79891564
Area
398916374897881
Diagonal
28245933.332
Surface area
2393498249387286
Volume
7.9675132739505E+21
Space diagonal
34594061.986035
Perimeter
59918673
Area
1.7273585732358E+14
Altitude
17297030.993018
Surface area
1.7273585732358E+14
Volume
9.3898044420071E+20
Height
9415311.1106665