28918825388040

Names of 28918825388040

• Cardinal: 28918825388040 can be written as Twenty-eight trillion, nine hundred eighteen billion, eight hundred twenty-five million, three hundred eighty-eight thousand and forty.

Scientific notation

• Scientific notation: 2.891882538804 × 10¹³

Factors of 28918825388040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 144

Divisors of 28918825388040

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 127 140 147 168 196 210 245 254 280 294 343 381 392 420 490 508 588 635 686 735 762 840 889 980 1016 1029 1176 1270 1372 1470 1524 1715 1778 1905 1960 2058 2401 2540 2667 2744 2940 3048 3430 3556 3810 4116 4445 4802 5080 5145 5334 5880 6223 6860 7112 7203 7620 8232 8890 9604 10290 10668 12005 12446 13335 13720 14406 15240 16129 16807 17780 18669 19208 20580 21336 24010 24892 26670 28812 31115 32258 33614 35560 36015 37338 41160 43561 48020 48387 49784 50421 53340 57624 62230 64516 67228 72030 74676 80645 84035 87122 93345 96040 96774 100842 106680 112903 117649 124460 129032 130683 134456 144060 149352 161290 168070 174244 186690 193548 201684 217805 225806 235298 241935 248920 252105 261366 288120 304927 322580 336140 338709 348488 352947 373380 387096 403368 435610 451612 470596 483870 504210 522732 564515 588245 609854 645160 653415 672280 677418 705894 746760 790321 871220 903224 914781 941192 967740 1008420 1045464 1129030 1176490 1219708 1306830 1354836 1411788 1524635 1580642 1693545 1742440 1764735 1829562 1935480 2016840 2048383 2134489 2258060 2352980 2370963 2439416 2613660 2709672 2823576 3049270 3161284 3387090 3529470 3659124 3951605 4096766 4268978 4516120 4573905 4705960 4741926 5227320 5532247 6098540 6145149 6322568 6403467 6774180 7058940 7318248 7903210 8193532 8537956 9147810 9483852 10241915 10672445 11064494 11854815 12197080 12290298 12806934 13548360 14117880 14338681 14941423 15806420 16387064 16596741 17075912 18295620 18967704 20483830 21344890 22128988 23709630 24580596 25613868 27661235 28677362 29882846 30725745 31612840 32017335 33193482 36591240 38725729 40967660 42689780 43016043 44257976 44824269 47419260 49161192 51227736 55322470 57354724 59765692 61451490 64034670 66386964 71693405 74707115 77451458 81935320 82983705 85379560 86032086 89648538 94838520 100370767 110644940 114709448 116177187 119531384 122902980 128069340 132773928 143386810 149414230 154902916 165967410 172064172 179297076 193628645 200741534 215080215 221289880 224121345 232354374 245805960 256138680 271080103 286773620 298828460 301112301 309805832 331934820 344128344 358594152 387257290 401483068 430160430 448242690 464708748 501853835 542160206 573547240 580885935 597656920 602224602 663869640 702595369 774514580 802966136 813240309 860320860 896485380 929417496 1003707670 1084320412 1161771870 1204449204 1355400515 1405190738 1505561505 1549029160 1626480618 1720641720 1792970760 1897560721 2007415340 2107786107 2168640824 2323543740 2408898408 2710801030 2810381476 3011123010 3252961236 3512976845 3795121442 4014830680 4066201545 4215572214 4647087480 4918167583 5421602060 5620762952 5692682163 6022246020 6505922472 7025953690 7590242884 8132403090 8431144428 9487803605 9836335166 10538930535 10843204120 11385364326 12044492040 14051907380 14754502749 15180485768 16264806180 16862288856 18975607210 19672670332 21077861070 22770728652 24590837915 28103814760 28463410815 29509005498 32529612360 34427173081 37951214420 39345340664 42155722140 45541457304 49181675830 56926821630 59018010996 68854346162 73772513745 75902428840 84311444280 98363351660 103281519243 113853643260 118036021992 137708692324 147545027490 172135865405 196726703320 206563038486 227707286520 240990211567 275417384648 295090054980 344271730810 413126076972 481980423134 516407596215 590180109960 688543461620 722970634701 826252153944 963960846268 1032815192430 1204951057835 1377086923240 1445941269402 1927921692536 2065630384860 2409902115670 2891882538804 3614853173505 4131260769720 4819804231340 5783765077608 7229706347010 9639608462680 14459412694020 28918825388040
• Sum of all divisors σ(n): 102019065292800
• Sum of proper divisors (its aliquot sum) s(n): 73100239904760
• 28918825388040 is an abundant number, because the sum of its proper divisors (73100239904760) is greater than itself. Its abundance is 44181414516720

Bases of 28918825388040

• Binary: 110100100110100110000010100001000100000001000₂
• Hexadecimal: 0x1A4D30508808
• Base-36: A914HZ2FC

Squares and roots of 28918825388040

• 28918825388040 squared (28918825388040²) is 836298461823946856575041600
• 28918825388040 cubed (28918825388040³) is 24184769189773155080758065623499142464000
• The square root of 28918825388040 is 5377622.6520684769
• The cube root of 28918825388040 is 30694.4754771171

Scales and comparisons

• 28,918,825,388,040 seconds is equal to 919,529 years, 10 weeks, 1 day, 4 hours, 14 minutes.
• To count from 1 to 28,918,825,388,040 would take you about two million, two hundred ninety-eight thousand, eight hundred twenty-two 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 28918825388040 cubic inches would be around 2557.9 feet tall.

Recreational maths with 28918825388040

• 28918825388040 backwards is 04088352881982
• The number of decimal digits it has is: 14
• The sum of 28918825388040's digits is 66
• More coming soon!