20429785440
20,429,785,440 is an even composite number composed of six prime numbers multiplied together.
20429785440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 20429785440:
25 × 33 × 5 × 29 × 313 × 521
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 29 × 313 × 521)See below for interesting mathematical facts about the number 20429785440 from the Numbermatics database.
Names of 20429785440
- Cardinal: 20429785440 can be written as Twenty billion, four hundred twenty-nine million, seven hundred eighty-five thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.042978544 × 1010
Factors of 20429785440
Divisors of 20429785440
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 45 48 54 58 60 72 80 87 90 96 108 116 120 135 144 145 160 174 180 216 232 240 261 270 288 290 313 348 360 432 435 464 480 521 522 540 580 626 696 720 783 864 870 928 939 1042 1044 1080 1160 1252 1305 1392 1440 1563 1565 1566 1740 1878 2084 2088 2160 2320 2504 2605 2610 2784 2817 3126 3130 3132 3480 3756 3915 4168 4176 4320 4640 4689 4695 5008 5210 5220 5634 6252 6260 6264 6960 7512 7815 7830 8336 8352 8451 9077 9378 9390 10016 10420 10440 11268 12504 12520 12528 13920 14067 14085 15024 15109 15630 15660 16672 16902 18154 18756 18780 20840 20880 22536 23445 25008 25040 25056 27231 28134 28170 30048 30218 31260 31320 33804 36308 37512 37560 41680 41760 42255 45072 45327 45385 46890 50016 50080 54462 56268 56340 60436 62520 62640 67608 70335 72616 75024 75120 75545 81693 83360 84510 90144 90654 90770 93780 108924 112536 112680 120872 125040 125280 135216 135981 136155 140670 145232 150048 150240 151090 163073 163386 169020 181308 181540 187560 217848 225072 225360 226635 241744 245079 250080 270432 271962 272310 281340 290464 302180 326146 326772 338040 362616 363080 375120 407943 408465 435696 450144 450720 453270 483488 489219 490158 543924 544620 562680 604360 652292 653544 676080 679905 725232 726160 750240 815365 815886 816930 871392 906540 978438 980316 1087848 1089240 1125360 1208720 1225395 1304584 1307088 1352160 1359810 1450464 1452320 1467657 1630730 1631772 1633860 1813080 1956876 1960632 2039715 2175696 2178480 2250720 2417440 2446095 2450790 2609168 2614176 2719620 2935314 3261460 3263544 3267720 3626160 3913752 3921264 4079430 4351392 4356960 4402971 4729117 4892190 4901580 5218336 5439240 5870628 6522920 6527088 6535440 7252320 7338285 7827504 7842528 8158860 8805942 9458234 9784380 9803160 10878480 11741256 13045840 13054176 13070880 14187351 14676570 15655008 16317720 17611884 18916468 19568760 19606320 21756960 22014855 23482512 23645585 26091680 28374702 29353140 32635440 35223768 37832936 39137520 39212640 42562053 44029710 46965024 47291170 56749404 58706280 65270880 70447536 70936755 75665872 78275040 85124106 88059420 94582340 113498808 117412560 127686159 140895072 141873510 151331744 170248212 176118840 189164680 212810265 226997616 234825120 255372318 283747020 340496424 352237680 378329360 425620530 453995232 510744636 567494040 638430795 680992848 704475360 756658720 851241060 1021489272 1134988080 1276861590 1361985696 1702482120 2042978544 2269976160 2553723180 3404964240 4085957088 5107446360 6809928480 10214892720 20429785440
- Sum of all divisors σ(n): 74348668800
- Sum of proper divisors (its aliquot sum) s(n): 53918883360
- 20429785440 is an abundant number, because the sum of its proper divisors (53918883360) is greater than itself. Its abundance is 33489097920
Bases of 20429785440
- Binary: 100110000011011010111001001011000002
- Hexadecimal: 0x4C1B5C960
- Base-36: 9DVD7C0
Squares and roots of 20429785440
- 20429785440 squared (204297854402) is 417376133124435993600
- 20429785440 cubed (204297854403) is 8526904847509104170261213184000
-
The
square root of 20429785440 is 142932.8004343299 -
The
cube root of 20429785440 is 2733.7235989781
Scales and comparisons
How big is 20429785440?- 20,429,785,440 seconds is equal to 649 years, 31 weeks, 2 days, 20 hours, 24 minutes.
-
To count from 1 to 20,429,785,440 would take you about one thousand, two hundred ninety-nine 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 20429785440 cubic inches would be around 227.8 feet tall.
Recreational maths with 20429785440
- 20429785440 backwards is 04458792402
- 20429785440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20429785440's digits is 45
- More coming soon!
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