28081073790

Names of 28081073790

• Cardinal: 28081073790 can be written as Twenty-eight billion, eighty-one million, seventy-three thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.808107379 × 10¹⁰

Factors of 28081073790

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 309

Divisors of 28081073790

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 27 30 31 33 34 35 42 45 51 54 55 62 63 66 70 77 85 90 93 99 102 105 110 119 121 126 135 153 154 155 165 170 186 187 189 198 210 217 231 233 238 242 255 270 279 297 306 310 315 330 341 357 363 374 378 385 434 459 462 465 466 495 510 527 558 561 594 595 605 630 651 682 693 699 714 726 765 770 837 847 918 930 935 945 990 1023 1054 1071 1085 1089 1122 1155 1165 1190 1210 1302 1309 1386 1395 1398 1485 1530 1581 1631 1674 1683 1694 1705 1785 1815 1870 1890 1953 2046 2057 2079 2097 2142 2170 2178 2295 2310 2330 2387 2541 2563 2618 2635 2790 2805 2970 3069 3162 3213 3255 3262 3267 3366 3410 3465 3495 3570 3630 3689 3751 3906 3927 3961 4114 4158 4185 4194 4235 4590 4743 4774 4893 5049 5082 5115 5126 5270 5355 5445 5610 5797 5859 6138 6171 6291 6426 6510 6534 6545 6930 6990 7161 7223 7378 7502 7623 7689 7854 7905 7922 8155 8370 8415 8470 9207 9486 9765 9786 10098 10230 10285 10395 10485 10710 10890 11067 11253 11594 11718 11781 11883 11935 12342 12582 12705 12815 13090 14229 14322 14399 14446 14679 15246 15345 15378 15810 16065 16310 16335 16830 17391 17941 18414 18445 18513 18755 19530 19635 19805 20570 20790 20970 21483 21669 22134 22506 22869 23067 23562 23715 23766 23870 24465 25245 25410 25630 26257 27727 28193 28458 28798 28985 29295 29358 30690 30855 31455 32130 32670 33201 33759 34782 35343 35649 35805 35882 36115 36890 37026 37510 38115 38445 39270 39610 40579 42966 43197 43338 43571 44037 45738 46035 46134 47430 48930 50490 50561 52173 52514 53823 55335 55454 55539 56265 56386 57970 58590 58905 59415 61710 62910 63767 64449 65007 66402 67518 69201 70686 71145 71298 71610 71995 72230 73395 76230 76890 78771 79453 81158 83181 84579 86394 86955 87142 88074 89705 92070 92565 99603 101122 101277 104346 106947 107415 107646 108345 110670 111078 112530 114345 115335 117810 118830 121737 122791 127534 128898 129591 130014 130713 131285 138402 138635 140965 142290 143990 146790 151683 156519 157542 158906 161469 166005 166362 168795 169158 173910 176715 178245 179410 185130 191301 195021 197351 199206 202554 202895 213894 214830 215985 216690 217855 220185 228690 230670 236313 238359 243474 245582 249543 252805 253737 259182 260865 261426 262570 269115 277270 277695 281930 303366 304997 313038 318835 322245 322938 325035 332010 337590 346005 353430 356490 365211 368373 382602 388773 390042 392139 393855 394702 397265 405790 415905 422895 431970 435710 440370 446369 455049 472626 476718 479281 484407 498015 499086 505610 506385 507474 521730 534735 538230 555390 556171 573903 592053 608685 609994 613955 637670 644490 647955 650070 653565 692010 708939 715077 730422 736746 748629 758415 761211 777546 782595 784278 787710 794530 807345 831810 845790 859537 873983 892738 910098 914991 956505 958562 968814 975105 986755 996030 1012770 1069470 1095633 1105119 1112342 1147806 1176417 1181565 1184106 1191795 1217370 1227910 1247715 1268685 1295910 1307130 1339107 1350701 1365147 1417878 1430154 1437843 1497258 1516830 1522422 1524985 1565190 1614690 1668513 1719074 1721709 1747966 1776159 1826055 1829982 1841865 1913010 1943865 1950210 1960695 1973510 2145231 2191266 2210238 2231845 2275245 2352834 2363130 2383590 2396405 2422035 2495430 2537370 2578611 2621949 2678214 2701402 2730294 2744973 2780855 2869515 2875686 2960265 3049970 3315357 3337026 3354967 3443418 3544695 3552318 3575385 3652110 3683730 3743145 3806055 3887730 3921390 4017321 4052103 4290462 4297685 4313529 4369915 4463690 4550490 4574955 4792810 4844070 5005539 5157222 5243898 5328477 5478165 5489946 5525595 5561710 5739030 5882085 5920530 6117881 6630714 6695535 6709934 6753505 6825735 7089390 7150770 7189215 7486290 7612110 7735833 7865847 8034642 8104206 8234919 8342565 8595370 8608545 8627058 8739830 8880795 9149910 9454907 10011078 10064901 10656954 10726155 10956330 11051190 11764170 12051963 12156309 12235762 12893055 12940587 13109745 13391070 13507010 13651470 13724865 14378430 14857711 15016617 15471666 15731694 16469838 16576785 16685130 16774835 17217090 17761590 18353643 18909814 20086605 20129802 20260515 21452310 21567645 23207499 23597541 24103926 24312618 25027695 25786110 25881174 26219490 26642385 27449730 28364721 29715422 30033234 30194703 30589405 33153570 33549670 36468927 36707286 38679165 39329235 40173210 40521030 41174595 43135290 44573133 46414998 47195082 47274535 50055390 50324505 53284770 55060929 56729442 60259815 60389406 60781545 61178810 64702935 72937854 74288555 75083085 77358330 78658470 82349190 85094163 89146266 90584109 91768215 94549070 100649010 104003977 110121858 116037495 117987705 120519630 121563090 129405870 133719399 141823605 148577110 150166170 150973515 165182787 170188326 181168218 182344635 183536430 208007954 222865665 232074990 235975410 255282489 267438798 275304645 283647210 301947030 312011931 330365574 364689270 401158197 425470815 445731330 452920545 510564978 520019885 550609290 624023862 668596995 802316394 825913935 850941630 905841090 936035793 1040039770 1276412445 1337193990 1560059655 1651827870 1872071586 2005790985 2552824890 2808107379 3120119310 4011581970 4680178965 5616214758 9360357930 14040536895 28081073790
• Sum of all divisors σ(n): 103255326720
• Sum of proper divisors (its aliquot sum) s(n): 75174252930
• 28081073790 is an abundant number, because the sum of its proper divisors (75174252930) is greater than itself. Its abundance is 47093179140

Bases of 28081073790

• Binary: 11010001001110000110010111001111110₂
• Hexadecimal: 0x689C32E7E
• Base-36: CWEQV7I

Squares and roots of 28081073790

• 28081073790 squared (28081073790²) is 788546705199424964100
• 28081073790 cubed (28081073790³) is 22143238215566429082460200939000
• The square root of 28081073790 is 167574.0844820583
• The cube root of 28081073790 is 3039.5169545719

Scales and comparisons

• 28,081,073,790 seconds is equal to 892 years, 46 weeks, 2 days, 10 hours, 16 minutes, 30 seconds.
• To count from 1 to 28,081,073,790 would take you about one thousand, seven hundred eighty-five 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 28081073790 cubic inches would be around 253.3 feet tall.

Recreational maths with 28081073790

• 28081073790 backwards is 09737018082
• 28081073790 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28081073790's digits is 45
• More coming soon!