28987394688
28,987,394,688 is an even composite number composed of seven prime numbers multiplied together.
28987394688 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 28987394688:
27 × 32 × 7 × 17 × 19 × 31 × 359
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 17 × 19 × 31 × 359)See below for interesting mathematical facts about the number 28987394688 from the Numbermatics database.
Names of 28987394688
- Cardinal: 28987394688 can be written as Twenty-eight billion, nine hundred eighty-seven million, three hundred ninety-four thousand, six hundred eighty-eight.
Scientific notation
- Scientific notation: 2.8987394688 × 1010
Factors of 28987394688
Divisors of 28987394688
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 17 18 19 21 24 28 31 32 34 36 38 42 48 51 56 57 62 63 64 68 72 76 84 93 96 102 112 114 119 124 126 128 133 136 144 152 153 168 171 186 192 204 217 224 228 238 248 252 266 272 279 288 304 306 323 336 342 357 359 372 384 399 408 434 448 456 476 496 504 527 532 544 558 576 589 608 612 646 651 672 684 714 718 744 798 816 868 896 912 952 969 992 1008 1054 1064 1071 1077 1088 1116 1152 1178 1197 1216 1224 1292 1302 1344 1368 1428 1436 1488 1581 1596 1632 1736 1767 1824 1904 1938 1953 1984 2016 2108 2128 2142 2154 2176 2232 2261 2356 2394 2432 2448 2513 2584 2604 2688 2736 2856 2872 2907 2976 3162 3192 3231 3264 3472 3534 3648 3689 3808 3876 3906 3968 4032 4123 4216 4256 4284 4308 4464 4522 4712 4743 4788 4896 5026 5168 5208 5301 5472 5712 5744 5814 5952 6103 6324 6384 6462 6528 6783 6821 6944 7068 7296 7378 7539 7616 7752 7812 8064 8246 8432 8512 8568 8616 8928 9044 9424 9486 9576 9792 10013 10052 10336 10416 10602 10944 11067 11129 11424 11488 11628 11904 12206 12369 12648 12768 12924 13566 13642 13888 14136 14756 15078 15232 15504 15624 16492 16864 17024 17136 17232 17856 18088 18309 18848 18972 19152 19584 20026 20104 20349 20463 20672 20832 21204 21888 22134 22258 22617 22848 22976 23256 24412 24738 25296 25536 25848 27132 27284 27776 28272 29512 30039 30156 31008 31248 32984 33201 33387 33728 34272 34464 35712 36176 36618 37107 37696 37944 38304 40052 40208 40698 40926 41344 41664 42408 42721 44268 44516 45234 45696 45952 46512 47747 48824 49476 50592 51072 51696 54264 54568 54927 56544 59024 60078 60312 61389 62016 62496 65968 66402 66774 67456 68544 68928 70091 72352 73236 74214 75392 75888 76608 77903 80104 80416 81396 81852 83328 84816 85442 88536 89032 90117 90468 93024 95494 97648 98952 100161 101184 103392 108528 109136 109854 113088 115957 118048 120156 120624 122778 124032 124992 128163 131936 132804 133548 137088 137856 140182 143241 144704 146472 148428 151776 153216 155806 160208 160832 162792 163704 169632 170884 177072 178064 180234 180936 186048 189193 190988 195296 197904 200322 202368 206784 210273 211451 217056 218272 219708 226176 231914 233709 236096 240312 241248 245556 249984 256326 263872 265608 267096 280364 286482 289408 292944 296856 303552 311612 320416 321664 325584 327408 339264 341768 347871 354144 356128 360468 361872 372096 378386 381976 384489 390592 395808 400644 413568 420546 422902 429723 434112 436544 439416 463828 467418 472192 480624 482496 491112 512652 527744 531216 534192 560728 567579 572964 585888 593712 607104 623224 630819 634353 640832 651168 654816 678528 683536 695742 701127 708288 712256 720936 723744 756772 763952 768978 781184 791616 801288 811699 841092 845804 859446 868224 873088 878832 927656 934836 961248 964992 982224 1025304 1043613 1062432 1068384 1121456 1135158 1145928 1171776 1187424 1246448 1261638 1268706 1281664 1302336 1309632 1324351 1367072 1391484 1402254 1416576 1424512 1441872 1447488 1480157 1513544 1527904 1537956 1583232 1602576 1623398 1682184 1691608 1702737 1718892 1757664 1855312 1869672 1903059 1922496 1964448 2050608 2087226 2124864 2136768 2242912 2270316 2291856 2343552 2374848 2435097 2492896 2523276 2537412 2604672 2619264 2648702 2734144 2782968 2804508 2883744 2894976 2960314 3027088 3055808 3075912 3205152 3246796 3364368 3383216 3405474 3437784 3515328 3594667 3710624 3739344 3806118 3844992 3928896 3973053 4101216 4174452 4249728 4273536 4440471 4485824 4540632 4583712 4749696 4870194 4985792 5046552 5074824 5297404 5468288 5565936 5609016 5767488 5920628 6054176 6111616 6151824 6410304 6493592 6728736 6766432 6810948 6875568 7030656 7189334 7305291 7421248 7478688 7612236 7857792 7946106 8202432 8348904 8880942 8971648 9081264 9167424 9740388 9971584 10093104 10149648 10594808 10784001 11131872 11218032 11534976 11841256 11919159 12108352 12303648 12820608 12987184 13321413 13457472 13532864 13621896 13751136 14378668 14610582 14842496 14957376 15224472 15892212 16404864 16697808 17761884 18162528 18334848 19480776 20186208 20299296 21189616 21568002 22263744 22436064 23682512 23838318 24216704 24607296 25162669 25974368 26642826 26914944 27065728 27243792 27502272 28757336 29221164 29914752 30448944 31784424 32352003 33395616 35523768 36325056 38961552 40372416 40598592 42379232 43136004 44527488 44872128 47365024 47676636 49214592 50325338 51948736 53285652 54487584 55004544 57514672 58442328 60897888 63568848 64704006 66791232 71047536 72650112 75488007 77923104 80744832 81197184 84758464 86272008 89744256 94730048 95353272 100650676 103897472 106571304 108975168 115029344 116884656 121795776 127137696 129408012 133582464 142095072 150976014 155846208 169516928 172544016 189460096 190706544 201301352 213142608 217950336 226464021 230058688 233769312 243591552 254275392 258816024 284190144 301952028 311692416 345088032 381413088 402602704 426285216 452928042 460117376 467538624 508550784 517632048 568380288 603904056 690176064 762826176 805205408 852570432 905856084 935077248 1035264096 1207808112 1380352128 1525652352 1610410816 1705140864 1811712168 2070528192 2415616224 3220821632 3623424336 4141056384 4831232448 7246848672 9662464896 14493697344 28987394688
- Sum of all divisors σ(n): 109983744000
- Sum of proper divisors (its aliquot sum) s(n): 80996349312
- 28987394688 is an abundant number, because the sum of its proper divisors (80996349312) is greater than itself. Its abundance is 52008954624
Bases of 28987394688
- Binary: 110101111111100100010001010100000002
- Hexadecimal: 0x6BFC88A80
- Base-36: DBECGW0
Squares and roots of 28987394688
- 28987394688 squared (289873946882) is 840269050797890617344
- 28987394688 cubed (289873946883) is 24357210619589576642802506268672
-
The
square root of 28987394688 is 170256.8491661937 -
The
cube root of 28987394688 is 3071.8716173561
Scales and comparisons
How big is 28987394688?- 28,987,394,688 seconds is equal to 921 years, 36 weeks, 6 days, 6 hours, 4 minutes, 48 seconds.
-
To count from 1 to 28,987,394,688 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 28987394688 cubic inches would be around 256 feet tall.
Recreational maths with 28987394688
- 28987394688 backwards is 88649378982
- 28987394688 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28987394688's digits is 72
- More coming soon!
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The information we have on file for 28987394688 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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