21089009664
21,089,009,664 is an even composite number composed of three prime numbers multiplied together.
21089009664 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 21089009664:
214 × 35 × 5297
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5297)See below for interesting mathematical facts about the number 21089009664 from the Numbermatics database.
Names of 21089009664
- Cardinal: 21089009664 can be written as Twenty-one billion, eighty-nine million, nine thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.1089009664 × 1010
Factors of 21089009664
Divisors of 21089009664
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 768 864 972 1024 1152 1296 1536 1728 1944 2048 2304 2592 3072 3456 3888 4096 4608 5184 5297 6144 6912 7776 8192 9216 10368 10594 12288 13824 15552 15891 16384 18432 20736 21188 24576 27648 31104 31782 36864 41472 42376 47673 49152 55296 62208 63564 73728 82944 84752 95346 110592 124416 127128 143019 147456 165888 169504 190692 221184 248832 254256 286038 331776 339008 381384 429057 442368 497664 508512 572076 663552 678016 762768 858114 995328 1017024 1144152 1287171 1327104 1356032 1525536 1716228 1990656 2034048 2288304 2574342 2712064 3051072 3432456 3981312 4068096 4576608 5148684 5424128 6102144 6864912 8136192 9153216 10297368 10848256 12204288 13729824 16272384 18306432 20594736 21696512 24408576 27459648 32544768 36612864 41189472 43393024 48817152 54919296 65089536 73225728 82378944 86786048 97634304 109838592 130179072 146451456 164757888 195268608 219677184 260358144 292902912 329515776 390537216 439354368 585805824 659031552 781074432 878708736 1171611648 1318063104 1757417472 2343223296 2636126208 3514834944 5272252416 7029669888 10544504832 21089009664
- Sum of all divisors σ(n): 63190242024
- Sum of proper divisors (its aliquot sum) s(n): 42101232360
- 21089009664 is an abundant number, because the sum of its proper divisors (42101232360) is greater than itself. Its abundance is 21012222696
Bases of 21089009664
- Binary: 100111010010000000011000000000000002
- Hexadecimal: 0x4E900C000
- Base-36: 9ORUO00
Squares and roots of 21089009664
- 21089009664 squared (210890096642) is 444746328608285392896
- 21089009664 cubed (210890096643) is 9379259622048650321253780946944
-
The
square root of 21089009664 is 145220.5552392635 -
The
cube root of 21089009664 is 2762.8166331005
Scales and comparisons
How big is 21089009664?- 21,089,009,664 seconds is equal to 670 years, 29 weeks, 2 days, 18 hours, 14 minutes, 24 seconds.
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To count from 1 to 21,089,009,664 would take you about one thousand, three hundred forty-one years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21089009664 cubic inches would be around 230.2 feet tall.
Recreational maths with 21089009664
- 21089009664 backwards is 46690098012
- The number of decimal digits it has is: 11
- The sum of 21089009664's digits is 45
- More coming soon!
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