28321971678

Names of 28321971678

• Cardinal: 28321971678 can be written as Twenty-eight billion, three hundred twenty-one million, nine hundred seventy-one thousand, six hundred seventy-eight.

Scientific notation

• Scientific notation: 2.8321971678 × 10¹⁰

Factors of 28321971678

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 90

Divisors of 28321971678

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 17 18 21 22 26 27 33 34 37 39 42 49 51 54 63 66 74 77 78 91 98 99 102 111 117 119 126 143 147 153 154 182 187 189 198 221 222 231 234 238 259 273 286 289 294 297 306 333 343 351 357 374 378 407 429 441 442 459 462 481 518 539 546 561 578 594 629 637 663 666 686 693 702 714 777 814 819 833 858 867 882 918 962 999 1001 1029 1071 1078 1122 1221 1258 1274 1287 1309 1323 1326 1386 1443 1547 1554 1617 1638 1666 1683 1734 1813 1887 1911 1989 1998 2002 2023 2058 2079 2142 2331 2431 2442 2457 2499 2574 2601 2618 2646 2849 2886 3003 3087 3094 3179 3213 3234 3366 3367 3626 3663 3757 3773 3774 3822 3861 3927 3978 4046 4158 4329 4403 4459 4641 4662 4851 4862 4914 4998 5049 5202 5291 5439 5661 5698 5733 5831 5967 6006 6069 6174 6358 6426 6734 6919 6993 7007 7293 7326 7497 7514 7546 7722 7803 7854 8177 8547 8658 8806 8918 9009 9163 9261 9282 9537 9702 10098 10101 10582 10693 10829 10878 10989 11271 11319 11322 11466 11662 11781 11934 12138 12691 12987 13209 13377 13838 13923 13986 14014 14161 14553 14586 14994 15606 15873 16317 16354 16983 17017 17094 17199 17493 18018 18207 18326 18522 19074 19943 20202 20757 21021 21386 21658 21879 21978 22253 22491 22542 22638 23562 23569 24531 25382 25641 25974 26299 26418 26754 27027 27489 27846 28322 28611 29106 30303 30821 31746 32079 32487 32634 33813 33957 33966 34034 34398 34986 35343 36414 37037 38073 39627 39886 40131 41327 41514 41769 42042 42483 43758 44506 44982 47138 47619 48433 48951 49049 49062 51051 51282 52479 52598 54054 54621 54978 57222 57239 59829 60606 61642 62271 63063 64141 64158 64974 65637 66759 67626 67914 70686 70707 73593 74074 74851 75803 76146 76923 78897 79254 80262 82467 82654 83538 84966 85833 89947 90909 92463 95238 96237 96866 97461 97902 98098 99127 101439 101871 102102 104958 109242 111111 114219 114478 117623 118881 119119 119658 120393 123981 124542 126126 127449 128282 131274 133518 139009 139601 141414 142857 145299 147147 147186 149702 151606 153153 153846 155771 157437 157794 164934 164983 171666 171717 179487 179894 181818 184093 184926 186813 189189 192423 192474 194922 198254 200277 202878 203742 212121 215747 220779 222222 224553 227409 228438 235246 236691 237762 238238 240786 247401 247962 254898 259259 269841 277389 278018 279202 285714 288711 289289 290598 292383 294294 297381 306306 311542 314874 329966 333333 339031 342657 343434 352869 357357 358974 368186 371943 373626 378378 382347 384846 400554 400673 417027 418803 424242 431494 435897 441441 441558 449106 454818 459459 467313 473382 494802 494949 515151 518518 523957 538461 539682 552279 554778 577269 577422 578578 584766 594762 600831 629629 636363 647241 666666 673659 678062 682227 685314 705738 710073 714714 743886 764694 777777 801346 809523 823361 832167 833833 834054 837606 867867 871794 882882 892143 918918 934626 973063 989898 999999 1017093 1030302 1047914 1058607 1072071 1076922 1090397 1104558 1115829 1154538 1201662 1202019 1251081 1256409 1259258 1272726 1288651 1294482 1307691 1324323 1347318 1364454 1401939 1420146 1484847 1529099 1545453 1555554 1571871 1619046 1646722 1656837 1664334 1667666 1731807 1735734 1784286 1814813 1888887 1941723 1946126 1999998 2020977 2025023 2034186 2046681 2117214 2144142 2180794 2231658 2333331 2373217 2404038 2428569 2470083 2501499 2502162 2512818 2577302 2603601 2615382 2648646 2676429 2803878 2804711 2919189 2969694 3051279 3058198 3090906 3143742 3175821 3216213 3271191 3313674 3463614 3606057 3629626 3667699 3753243 3769227 3777774 3865953 3883446 4041954 4050046 4093362 4205817 4407403 4454541 4587297 4666662 4715613 4746434 4857138 4940166 4970511 5002998 5207202 5352858 5444439 5609422 5666661 5763527 5825169 5838378 6075069 6102558 6351642 6432426 6542382 6811441 6999993 7119651 7212114 7335398 7410249 7504497 7506486 7538454 7731906 7810803 8411634 8414133 8757567 8814806 8909082 9153837 9174594 9431226 9813573 9941022 10703693 10818171 10888878 11003097 11333322 11527054 11597859 11650338 12150138 13222209 13622882 13761891 13999986 14146839 14175161 14239302 14820498 15008994 15621606 16333317 16828266 16999983 17290581 17515134 18225207 18307674 19627146 20434323 21358953 21407386 21636342 22006194 22230747 22513491 23195718 25242399 26272701 26444418 27523782 28293678 28350322 29440719 30851821 32111079 32666634 33009291 33999966 34581162 34793577 36450414 39666627 40344689 40868646 41285673 42525483 42717906 44461494 45026982 47680087 48999951 50484798 51871743 52545402 54675621 58881438 61302969 61703642 64076859 64222158 66018582 69587154 74925851 75727197 79333254 80689378 82571346 85050966 92555463 95360174 96333237 97999902 99027873 103743486 109351242 118999881 121034067 122605938 127576449 128153718 143040261 149851702 151454394 155615229 183908907 185110926 192666474 198055746 224777553 237999762 242068134 255152898 277666389 286080522 288999711 311230458 363102201 367817814 382729347 429120783 449555106 524480957 555332778 577999422 674332659 726204402 765458694 832999167 858241566 1048961914 1089306603 1287362349 1348665318 1573442871 1665998334 2022997977 2178613206 2574724698 3146885742 4045995954 4720328613 9440657226 14160985839 28321971678
• Sum of all divisors σ(n): 94074624000
• Sum of proper divisors (its aliquot sum) s(n): 65752652322
• 28321971678 is an abundant number, because the sum of its proper divisors (65752652322) is greater than itself. Its abundance is 37430680644

Bases of 28321971678

• Binary: 11010011000000111101111110111011110₂
• Hexadecimal: 0x6981EFDDE
• Base-36: D0E657I

Squares and roots of 28321971678

• 28321971678 squared (28321971678²) is 802134079729434135684
• 28321971678 cubed (28321971678³) is 22718018688055627493808657157752
• The square root of 28321971678 is 168291.3297766703
• The cube root of 28321971678 is 3048.1838754625

Scales and comparisons

• 28,321,971,678 seconds is equal to 900 years, 28 weeks, 4 days, 14 hours, 21 minutes, 18 seconds.
• To count from 1 to 28,321,971,678 would take you about one thousand, eight hundred one 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 28321971678 cubic inches would be around 254 feet tall.

Recreational maths with 28321971678

• 28321971678 backwards is 87617912382
• 28321971678 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28321971678's digits is 54
• More coming soon!