971887921 is an odd 9-digits composite number following 971887920
and preceding 971887922 . In scientific notation, it is written as 9.71887921 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 960967744 positive integers (up to 971887921) that are relatively prime to 971887921.
971887921 has 4 divisors, whose sum is 982808100
The reverse of 971887921 is 129788179
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
nine hundred seventy-one million eight hundred eighty-seven thousand nine hundred twenty-one
Scientific notation
9.71887921 × 10^8
Engineering notation
9.71887921 × 10^6
Prime Factorization
89 × 10920089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
971887921
Product of the distinct prime numbers
The prime factorization of 971887921 is 89 × 10920089.
Since it has a total of 2 prime factors.
3 , 1 , 4 , 7 , 762 , 625 , 7871 , 694 , 11683 , 63453 , 453905 , 740096 , 3372827 , 861704 , 65497882 , 79449135 , 557322280 , 43929062 , 4681711971 , 7107449607
n×2
1943775842
n×3
2915663763
n×4
3887551684
n×5
4859439605
n÷2
485943960.5
n÷3
323962640.33333
n÷3
242971980.25
n÷5
194377584.2
n2
944566130985702241
n3
9.1801241329071E+26
n4
8.922051758053E+35
n5
8.6712343341885E+44
2 √n
31175.117016621
3 √n
990.5400994699
4 √n
176.56476720065
5 √n
62.736926246326
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
-971887920
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 971887921 can be divided by 4 positive divisors.
The sum of these divisors (counting 971887921) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111011011101010100110001
3
Ternary
2111201210000120221
4
Quaternary
321323131110301
5
Quinary
3442300403141
6
Senary
240234533041
8
Octal
7173352461
10
Decimal
971887921
12
Duodecimal
231597181
16
Hexadecimal
39edd531
20
Vigesimal
f3e5jg1
36
Base36
g2mxip
md5
9d7a88d85fed04b11920250d8cd41642
sha1
e3d7985882081ebd35c984d00ad1ece4f4c98f8d
sha256
ab4c4a6125c6bedf68900b3ab5e873078baab8e92206def632e4f92b7e12fae8
sha512
cba64aed3c315f89010b25e91c91555584c9669b00761c9cf3306aa7ccfb3e89298f8006e6176763ffe545065852260b0fabe9e40b73d40a6949fdef16da9e64
ripemd-160
27ec361d3c8f0f7018cc7e1abaa08e67993aa45f
Diameter
1943775842
Circumference
6106551905.4525
Area
2.9674420179344E+18
Volume
3.8453614046644E+27
Surface area
1.1869768071738E+19
Circumference
6106551905.4525
Perimeter
3887551684
Area
944566130985702241
Diagonal
1374457078.9848
Surface area
5667396785914213446
Volume
9.1801241329071E+26
Space diagonal
1683359258.4345
Perimeter
2915663763
Area
4.09009132494E+17
Altitude
841679629.21724
Surface area
4.09009132494E+17
Volume
1.0818880044188E+26
Height
458152359.6616