18828389287890

Names of 18828389287890

• Cardinal: 18828389287890 can be written as Eighteen trillion, eight hundred twenty-eight billion, three hundred eighty-nine million, two hundred eighty-seven thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.882838928789 × 10¹³

Factors of 18828389287890

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1727

Divisors of 18828389287890

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 45 49 63 65 70 73 78 90 91 98 105 117 126 130 146 147 182 195 210 219 234 245 273 294 315 343 365 390 438 441 455 490 511 546 585 630 637 657 683 686 730 735 819 882 910 941 949 1022 1029 1095 1170 1274 1314 1365 1366 1470 1533 1638 1715 1882 1898 1911 2049 2058 2190 2205 2555 2730 2823 2847 3066 3087 3185 3285 3415 3430 3577 3822 4095 4098 4410 4459 4599 4705 4745 4781 5110 5145 5646 5694 5733 6147 6174 6370 6570 6587 6643 6830 7154 7665 8190 8469 8541 8879 8918 9198 9410 9490 9555 9562 10245 10290 10731 11466 12233 12294 13174 13286 13377 14115 14235 14343 15330 15435 16938 17082 17758 17885 19110 19761 19929 20490 21462 22295 22995 23905 24466 25039 26637 26754 28230 28470 28665 28686 30735 30870 32193 32935 33215 33467 35770 36699 39522 39858 40131 42345 42705 43029 44395 44590 45990 46109 46501 47810 49859 50078 53274 53655 57330 59283 59787 61165 61470 62153 64386 65870 66430 66885 66934 68693 71715 73398 75117 79911 80262 84690 85410 85631 86058 88790 92218 93002 98805 99645 99718 100401 107310 110097 118566 119574 122330 124306 125195 133185 133770 137386 138327 139503 143430 149577 150234 159822 160965 167335 171262 183495 186459 197610 199290 200655 200802 206079 215145 220194 225351 230545 232505 234269 249295 250390 256893 266370 276654 279006 296415 298935 299154 301203 310765 321930 322763 325507 334670 343465 349013 366990 372918 375585 399555 401310 412158 414981 418509 428155 430290 435071 448731 450702 461090 465010 468538 480851 498590 502005 513786 550485 559377 592830 597870 599417 602406 618237 621530 642703 645526 648167 651014 686930 691635 697515 698026 702807 747885 751170 770679 799110 829962 837018 856310 870142 893009 897462 932295 961702 968289 976521 1004010 1030395 1047039 1100970 1118754 1126755 1171345 1198834 1236474 1284465 1285406 1296334 1305213 1383270 1395030 1405614 1442553 1495770 1506015 1541358 1613815 1627535 1745065 1786018 1798251 1864590 1928109 1936578 1944501 1953042 2060790 2074905 2092545 2094078 2108421 2175355 2243655 2253510 2342690 2404255 2443091 2568930 2610426 2679027 2796885 2885106 2904867 2929563 2997085 3012030 3045497 3091185 3141117 3213515 3227630 3240835 3255070 3365957 3490130 3514035 3596502 3853395 3856218 3889002 3915639 4149810 4185090 4195919 4216842 4327659 4350710 4465045 4487310 4498921 4537169 4808510 4841445 4882605 4886182 5235195 5358054 5394753 5593770 5784327 5809734 5833503 5859126 5994170 6090994 6182370 6251063 6282234 6427030 6481670 6526065 6731914 7028070 7212765 7329273 7706790 7831278 8037081 8355139 8391838 8655318 8930090 8991255 8997842 9074338 9136491 9640545 9682890 9722505 9765210 10097871 10470390 10542105 10789506 11568654 11667006 12215455 12502126 12587757 13052130 13395135 13496763 13611507 14425530 14524335 14647815 14658546 15227485 15705585 16074162 16710278 16829785 17101637 17982510 18272982 18753189 19281090 19445010 19578195 20195742 20979595 21084210 21638295 21987819 22494605 22685845 23561699 24430910 25065417 25175514 26790270 26973765 26993526 27223014 27409473 28921635 29048670 29167515 29295630 30293613 30454970 31255315 31411170 31492447 31760183 33659570 34203274 36646365 37506378 37763271 39156390 40185405 40490289 40834521 41775695 41959190 43276590 43757441 43975638 44989210 45371690 45682455 46917319 47123398 50130834 50489355 51304911 53947530 54818946 56259567 57843270 58335030 58485973 60587226 62510630 62938785 62984894 63520366 67483815 68057535 70685097 73292730 75196251 75526542 80370810 80980578 81669042 83551390 85508185 87514882 91364910 93765945 93834638 94477341 95280549 100978710 102609822 109939095 112519134 116971946 117808495 125327085 125877570 131272323 134967630 136115070 137047365 140751957 141370194 150392502 151468065 153914733 157462235 158800915 171016370 175457919 187531890 188816355 188954682 190561098 202451445 204172605 212055291 218787205 219878190 220447129 222321281 234586595 235616990 250654170 256524555 262544646 274094730 281297835 281503914 283432023 285841647 292429865 302936130 306302087 307829466 314924470 317601830 328421233 350915838 353425485 375981255 377632710 393816969 404902890 408345210 409401811 422255871 424110582 437574410 440894258 444642562 469173190 472386705 476402745 513049110 526373757 562595670 566864046 571683294 584859730 609925147 612604174 656361615 656842466 661341387 666963843 703759785 706850970 751962510 769573665 787633938 818803622 844511742 877289595 918906261 944773410 952805490 985263699 1052747514 1060276455 1102235645 1111606405 1219850294 1228205433 1312723230 1322682774 1333927686 1407519570 1417160115 1429208235 1531510435 1539147330 1642106165 1754579190 1829775441 1837812522 1969084845 1970527398 1984024161 2000891529 2047009055 2111279355 2120552910 2204471290 2223212810 2298948631 2456410866 2631868785 2756718783 2834320230 2858416470 2865812677 2955791097 3049625735 3063020870 3284212330 3306706935 3334819215 3659550882 3684616299 3938169690 3968048322 4001783058 4094018110 4222558710 4269476029 4594531305 4597897262 4926318495 5263737570 5489326323 5513437566 5731625354 5911582194 6099251470 6141027165 6613413870 6669638430 6896845893 7369232598 8538952058 8597438031 9148877205 9189062610 9852636990 9920120805 10004457645 10978652646 11494743155 12282054330 12808428087 13783593915 13793691786 14329063385 14778955485 16092640417 17194876062 18297754410 18423081495 19840241610 20008915290 20690537679 21347380145 22989486310 25616856174 25792314093 27446631615 27567187830 28658126770 29557910970 29886332203 32185280834 34484229465 36846162990 38425284261 41381075358 42694760290 42987190155 48277921251 51584628186 54893263230 59772664406 64042140435 68968458930 76850568522 80463202085 85974380310 89658996609 96555842502 103452688395 128084280870 128961570465 144833763753 149431661015 160926404170 179317993218 192126421305 206905376790 209204325421 241389606255 257923140930 268976989827 289667527506 298863322030 384252842610 418408650842 448294983045 482779212510 537953979654 627612976263 724168818765 896589966090 1046021627105 1255225952526 1344884949135 1448337637530 1882838928789 2092043254210 2689769898270 3138064881315 3765677857578 6276129762630 9414194643945 18828389287890
• Sum of all divisors σ(n): 62480228428800
• Sum of proper divisors (its aliquot sum) s(n): 43651839140910
• 18828389287890 is an abundant number, because the sum of its proper divisors (43651839140910) is greater than itself. Its abundance is 24823449853020

Bases of 18828389287890

• Binary: 100010001111111010011011101001000011111010010₂
• Hexadecimal: 0x111FD37487D2
• Base-36: 6O9N4UI8I

Squares and roots of 18828389287890

• 18828389287890 squared (18828389287890²) is 354508243176330901300652100
• 18828389287890 cubed (18828389287890³) is 6674819208289931930443186867911633069000
• The square root of 18828389287890 is 4339169.1932776715
• The cube root of 18828389287890 is 26603.4354429441

Scales and comparisons

• 18,828,389,287,890 seconds is equal to 598,684 years, 28 weeks, 7 hours, 31 minutes, 30 seconds.
• To count from 1 to 18,828,389,287,890 would take you about one million, four hundred ninety-six thousand, seven hundred eleven 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 18828389287890 cubic inches would be around 2217 feet tall.

Recreational maths with 18828389287890

• 18828389287890 backwards is 09878298382881
• The number of decimal digits it has is: 14
• The sum of 18828389287890's digits is 81
• More coming soon!