1961688897 is an odd 10-digits composite number following 1961688896
and preceding 1961688898 . In scientific notation, it is written as 1.961688897 × 10^9.
The sum of its digits is 63. It has a total of 4 prime factors and 16 positive divisors.
There are 1084803840 positive integers (up to 1961688897) that are relatively prime to 1961688897.
1961688897 has 16 divisors, whose sum is 2571392000
The reverse of 1961688897 is 7988861691
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion nine hundred sixty-one million six hundred eighty-eight thousand eight hundred ninety-seven
Scientific notation
1.961688897 × 10^9
Engineering notation
1.961688897 × 10^9
Prime Factorization
9 × 7 × 31 × 1004449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1961688897
Product of the distinct prime numbers
The prime factorization of 1961688897 is 9 × 7 × 31 × 1004449.
Since it has a total of 4 prime factors.
4 , 6 , 93 , 90 , 733 , 446 , 287 , 8504 , 1357 , 61003 , 400553 , 130974 , 2394649 , 3562119 , 44252944 , 32768736 , 667882604 , 499911088 , 6723808477 , 1976308014
n×2
3923377794
n×3
5885066691
n×4
7846755588
n×5
9808444485
n÷2
980844448.5
n÷3
653896299
n÷3
490422224.25
n÷5
392337779.4
n2
3848223328613076609
n3
7.5490169769167E+27
n4
1.4808822786882E+37
n5
2.9050303238667E+46
2 √n
44290.957282497
3 √n
1251.824300939
4 √n
210.45416907844
5 √n
72.198142921517
1 , 7 , 9 , 31 , 63 , 217 , 279 , 1953 , 1004449 , 7031143 , 9040041 , 31137919 , 63280287 , 217965433 , 280241271 , 1961688897
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1961688896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1961688897 can be divided by 16 positive divisors.
The sum of these divisors (counting 1961688897) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100111011001111111101000001
3
Ternary
12001201021010021100
4
Quaternary
1310323033331001
5
Quinary
13004143021042
6
Senary
522353445013
8
Octal
16473177501
10
Decimal
1961688897
12
Duodecimal
468b70769
16
Hexadecimal
74ecff41
20
Vigesimal
1ad0b24h
36
Base36
wfxsu9
md5
a49853baf2bec0c74eb644694deb6b3d
sha1
73bc7a594be8cfc173c281bb9f150a4aaa045f12
sha256
056d3aa82ff18a5d8ea7b16bb615c8f689856974dcbe65fe7d4a6db32925d725
sha512
0df902e0d3cf77d92745164f0d4204ea4986820e7a3468d127524a1f9c43a3c6ad2c3ac64cfd2ccb815ff6807cb3a5f52b2d153fbdae1b3e13877a9e438ae951
ripemd-160
7d98a070434ad47e6220b31f8eb5aeab9df2c5a3
Diameter
3923377794
Circumference
12325654854.888
Area
1.2089550138544E+19
Volume
3.1621248368675E+28
Surface area
4.8358200554175E+19
Circumference
12325654854.888
Perimeter
7846755588
Area
3848223328613076609
Diagonal
2774247043.2941
Surface area
2.3089339971678E+19
Volume
7.5490169769167E+27
Space diagonal
3397744838.2477
Perimeter
5885066691
Area
1.6663295810074E+18
Altitude
1698872419.1239
Surface area
1.6663295810074E+18
Volume
8.8966018261169E+26
Height
924749014.43137