28988766720
28,988,766,720 is an even composite number composed of six prime numbers multiplied together.
28988766720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 28988766720:
29 × 32 × 5 × 67 × 89 × 211
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 67 × 89 × 211)See below for interesting mathematical facts about the number 28988766720 from the Numbermatics database.
Names of 28988766720
- Cardinal: 28988766720 can be written as Twenty-eight billion, nine hundred eighty-eight million, seven hundred sixty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.898876672 × 1010
Factors of 28988766720
Divisors of 28988766720
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 67 72 80 89 90 96 120 128 134 144 160 178 180 192 201 211 240 256 267 268 288 320 335 356 360 384 402 422 445 480 512 534 536 576 603 633 640 670 712 720 768 801 804 844 890 960 1005 1055 1068 1072 1152 1206 1266 1280 1335 1340 1424 1440 1536 1602 1608 1688 1780 1899 1920 2010 2110 2136 2144 2304 2412 2532 2560 2670 2680 2848 2880 3015 3165 3204 3216 3376 3560 3798 3840 4005 4020 4220 4272 4288 4608 4824 5064 5340 5360 5696 5760 5963 6030 6330 6408 6432 6752 7120 7596 7680 8010 8040 8440 8544 8576 9495 9648 10128 10680 10720 11392 11520 11926 12060 12660 12816 12864 13504 14137 14240 15192 16020 16080 16880 17088 17152 17889 18779 18990 19296 20256 21360 21440 22784 23040 23852 24120 25320 25632 25728 27008 28274 28480 29815 30384 32040 32160 33760 34176 34304 35778 37558 37980 38592 40512 42411 42720 42880 45568 47704 48240 50640 51264 51456 53667 54016 56337 56548 56960 59630 60768 64080 64320 67520 68352 70685 71556 75116 75960 77184 81024 84822 85440 85760 89445 93895 95408 96480 101280 102528 102912 107334 108032 112674 113096 113920 119260 121536 127233 128160 128640 135040 136704 141370 143112 150232 151920 154368 162048 169011 169644 170880 171520 178890 187790 190816 192960 202560 205056 212055 214668 225348 226192 227840 238520 243072 254466 256320 257280 268335 270080 281685 282740 286224 300464 303840 308736 324096 338022 339288 341760 357780 375580 381632 385920 405120 410112 424110 429336 450696 452384 477040 486144 508932 512640 514560 536670 540160 563370 565480 572448 600928 607680 636165 676044 678576 683520 715560 751160 763264 771840 810240 845055 848220 858672 901392 904768 954080 972288 1017864 1025280 1073340 1126740 1130960 1144896 1201856 1215360 1258193 1272330 1352088 1357152 1431120 1502320 1526528 1543680 1620480 1690110 1696440 1717344 1802784 1809536 1908160 2035728 2050560 2146680 2253480 2261920 2289792 2403712 2430720 2516386 2544660 2704176 2714304 2862240 3004640 3053056 3380220 3392880 3434688 3605568 3619072 3774579 3816320 4071456 4293360 4506960 4523840 4579584 4807424 4861440 5032772 5089320 5408352 5428608 5724480 6009280 6290965 6760440 6785760 6869376 7211136 7238144 7549158 7632640 8142912 8586720 9013920 9047680 9159168 9614848 10065544 10178640 10816704 10857216 11323737 11448960 12018560 12581930 13520880 13571520 13738752 14422272 15098316 15265280 16285824 17173440 18027840 18095360 18872895 20131088 20357280 21633408 21714432 22647474 22897920 24037120 25163860 27041760 27143040 27477504 28844544 30196632 32571648 34346880 36055680 36190720 37745790 40262176 40714560 43266816 45294948 45795840 48074240 50327720 54083520 54286080 56618685 60393264 65143296 68693760 72111360 75491580 80524352 81429120 86533632 90589896 100655440 108167040 108572160 113237370 120786528 137387520 144222720 150983160 161048704 162858240 181179792 201310880 216334080 226474740 241573056 301966320 322097408 325716480 362359584 402621760 432668160 452949480 483146112 603932640 644194816 724719168 805243520 905898960 966292224 1207865280 1449438336 1610487040 1811797920 1932584448 2415730560 2898876672 3220974080 3623595840 4831461120 5797753344 7247191680 9662922240 14494383360 28988766720
- Sum of all divisors σ(n): 103527927360
- Sum of proper divisors (its aliquot sum) s(n): 74539160640
- 28988766720 is an abundant number, because the sum of its proper divisors (74539160640) is greater than itself. Its abundance is 45550393920
Bases of 28988766720
- Binary: 110101111111101110101111010000000002
- Hexadecimal: 0x6BFDD7A00
- Base-36: DBF5VK0
Squares and roots of 28988766720
- 28988766720 squared (289887667202) is 840348595946579558400
- 28988766720 cubed (289887667203) is 24360669411374932400378216448000
-
The
square root of 28988766720 is 170260.8784189721 -
The
cube root of 28988766720 is 3071.9200825565
Scales and comparisons
How big is 28988766720?- 28,988,766,720 seconds is equal to 921 years, 39 weeks, 1 day, 3 hours, 12 minutes.
-
To count from 1 to 28,988,766,720 would take you about one thousand, eight hundred forty-three 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 28988766720 cubic inches would be around 256 feet tall.
Recreational maths with 28988766720
- 28988766720 backwards is 02766788982
- The number of decimal digits it has is: 11
- The sum of 28988766720's digits is 63
- More coming soon!
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