28043731872

Names of 28043731872

• Cardinal: 28043731872 can be written as Twenty-eight billion, forty-three million, seven hundred thirty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.8043731872 × 10¹⁰

Factors of 28043731872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 225

Divisors of 28043731872

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 27 31 32 36 38 39 48 52 54 57 62 72 76 78 81 93 96 104 108 114 117 124 144 152 156 157 162 171 186 208 216 228 234 243 247 248 279 288 304 312 314 324 342 351 372 403 416 432 456 468 471 486 494 496 513 558 589 608 624 628 648 684 702 729 741 744 806 837 864 912 936 942 972 988 992 1026 1053 1116 1178 1209 1248 1256 1296 1368 1404 1413 1458 1482 1488 1539 1612 1674 1767 1824 1872 1884 1944 1976 2041 2052 2106 2223 2232 2356 2418 2511 2512 2592 2736 2808 2826 2916 2964 2976 2983 3078 3159 3224 3348 3534 3627 3744 3768 3888 3952 4082 4104 4212 4239 4446 4464 4617 4712 4836 4867 5022 5024 5301 5472 5616 5652 5832 5928 5966 6123 6156 6318 6448 6669 6696 7068 7254 7533 7536 7657 7776 7904 8164 8208 8424 8478 8892 8928 8949 9234 9424 9477 9672 9734 10044 10602 10881 11232 11304 11664 11856 11932 12246 12312 12636 12717 12896 13338 13392 13851 14136 14508 14601 15066 15072 15314 15903 16328 16416 16848 16956 17784 17898 18369 18468 18848 18954 19344 19468 20007 20088 21204 21762 22599 22608 22971 23328 23712 23864 24492 24624 25272 25434 26676 26784 26847 27702 28272 29016 29202 30132 30628 31806 32643 32656 33696 33912 35568 35796 36738 36936 37908 38151 38688 38779 38936 40014 40176 42408 43524 43803 45198 45216 45942 47709 47728 48984 49248 50544 50868 53352 53694 55107 55404 56544 58032 58404 60021 60264 61256 63271 63612 65286 65312 67824 68913 71136 71592 73476 73872 75816 76302 77558 77872 80028 80352 80541 84816 87048 87606 90396 91884 92473 95418 95456 97929 97968 101088 101736 106704 107388 110214 110808 114453 116064 116337 116808 120042 120528 122512 126542 127224 130572 131409 135648 137826 143127 143184 146952 147744 151632 152604 155116 155744 160056 161082 165321 169632 174096 175212 180063 180792 183768 184946 189813 190836 195858 195936 203472 206739 213408 214776 220428 221616 228906 232674 233616 240084 241056 241623 245024 253084 254448 261144 262818 275652 277419 286254 286368 293787 293904 303264 305208 310232 320112 322164 330642 348192 349011 350424 360126 361584 367536 369892 379626 381672 391716 394227 406944 413478 429381 429552 440856 443232 457812 465348 467232 480168 483246 495963 506168 508896 522288 525636 551304 554838 569439 572508 587574 587808 610416 620217 620464 640224 644328 661284 698022 700848 720252 723168 724869 735072 739784 759252 763344 783432 788454 826956 832257 858762 859104 881712 915624 930696 960336 966492 991926 1012336 1044576 1047033 1051272 1102608 1109676 1138878 1145016 1175148 1182681 1202149 1220832 1240434 1240928 1288656 1322568 1396044 1401696 1440504 1449738 1479568 1487889 1518504 1526688 1566864 1576908 1653912 1664514 1708317 1717524 1763424 1831248 1860651 1861392 1920672 1932984 1983852 2024672 2094066 2102544 2174607 2205216 2219352 2277756 2290032 2350296 2365362 2404298 2480868 2496771 2577312 2645136 2792088 2881008 2899476 2959136 2975778 3037008 3133728 3141099 3153816 3307824 3329028 3416634 3435048 3548043 3606447 3662496 3721302 3722784 3865968 3967704 4188132 4205088 4349214 4438704 4555512 4580064 4700592 4730724 4808596 4961736 4993542 5124951 5290272 5581953 5584176 5762016 5798952 5951556 6074016 6282198 6307632 6615648 6658056 6833268 6870096 7096086 7212894 7442604 7490313 7731936 7935408 8376264 8698428 8877408 9111024 9401184 9423297 9461448 9617192 9923472 9987084 10249902 10819341 11163906 11168352 11597904 11903112 12564396 12615264 13316112 13666536 13740192 14192172 14425788 14885208 14980626 15374853 15870816 16752528 17396856 18222048 18846594 18922896 19234384 19846944 19974168 20499804 21638682 22327812 22470939 23195808 23806224 25128792 26632224 27333072 28269891 28384344 28851576 29770416 29961252 30749706 32458023 33505056 34793712 37693188 37845792 38468768 39948336 40999608 43277364 44655624 44941878 46124559 47612448 50257584 54666144 56539782 56768688 57703152 59540832 59922504 61499412 64916046 67412817 69587424 75386376 79896672 81999216 86554728 89311248 89883756 92249118 97374069 100515168 113079564 113537376 115406304 119845008 122998824 129832092 134825634 150772752 163998432 173109456 178622496 179767512 184498236 194748138 226159128 239690016 245997648 259664184 269651268 292122207 301545504 346218912 359535024 368996472 389496276 452318256 491995296 519328368 539302536 584244414 719070048 737992944 778992552 876366621 904636512 1038656736 1078605072 1168488828 1475985888 1557985104 1752733242 2157210144 2336977656 3115970208 3505466484 4673955312 7010932968 9347910624 14021865936 28043731872
• Sum of all divisors σ(n): 97482309120
• Sum of proper divisors (its aliquot sum) s(n): 69438577248
• 28043731872 is an abundant number, because the sum of its proper divisors (69438577248) is greater than itself. Its abundance is 41394845376

Bases of 28043731872

• Binary: 11010000111100010010110001110100000₂
• Hexadecimal: 0x6878963A0
• Base-36: CVSII00

Squares and roots of 28043731872

• 28043731872 squared (28043731872²) is 786450897308628624384
• 28043731872 cubed (28043731872³) is 22055018094616987574249097166848
• The square root of 28043731872 is 167462.6282846415
• The cube root of 28043731872 is 3038.1690509755

Scales and comparisons

• 28,043,731,872 seconds is equal to 891 years, 36 weeks, 4 days, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,043,731,872 would take you about one thousand, seven hundred eighty-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 28043731872 cubic inches would be around 253.2 feet tall.

Recreational maths with 28043731872

• 28043731872 backwards is 27813734082
• The number of decimal digits it has is: 11
• The sum of 28043731872's digits is 45
• More coming soon!