18428691749832

Names of 18428691749832

• Cardinal: 18428691749832 can be written as Eighteen trillion, four hundred twenty-eight billion, six hundred ninety-one million, seven hundred forty-nine thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.8428691749832 × 10¹³

Factors of 18428691749832

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 67

Divisors of 18428691749832

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 19 21 23 24 26 28 36 38 39 42 46 52 56 57 63 69 72 76 78 84 91 92 104 114 117 126 133 138 152 156 161 168 171 182 184 207 228 234 247 252 266 273 276 299 312 322 342 364 399 414 437 456 468 483 494 504 529 532 546 552 598 644 684 728 741 798 819 828 874 897 936 966 988 1058 1064 1092 1196 1197 1288 1311 1368 1449 1482 1587 1596 1638 1656 1729 1748 1794 1932 1976 2093 2116 2184 2223 2392 2394 2622 2691 2898 2964 3059 3174 3192 3276 3458 3496 3588 3703 3864 3933 4186 4232 4446 4761 4788 5187 5244 5382 5681 5796 5928 6118 6279 6348 6552 6877 6916 7176 7406 7866 8372 8892 9177 9522 9576 10051 10374 10488 10764 11109 11362 11592 12167 12236 12558 12696 13754 13832 14812 15561 15732 16744 17043 17784 18354 18837 19044 20102 20631 20748 21528 22218 22724 24334 24472 25116 27508 27531 29624 30153 31122 31464 33327 34086 36501 36708 37674 38088 39767 40204 41262 41496 44436 45448 48139 48668 50232 51129 55016 55062 60306 61893 62244 66654 68172 70357 73002 73416 75348 79534 80408 82524 85169 88872 90459 96278 97336 102258 109503 110124 119301 120612 123786 124488 130663 133308 136344 140714 144417 146004 150696 158171 159068 165048 170338 180918 192556 204516 211071 219006 220248 231173 238602 241224 247572 255507 261326 266616 279841 281428 288834 292008 316342 318136 340676 357903 361836 385112 391989 409032 422142 433251 438012 462346 474513 477204 495144 511014 522652 559682 562856 577668 632684 633213 681352 693519 715806 723672 766521 783978 839523 844284 866502 876024 914641 924692 949026 954408 1022028 1045304 1107197 1119364 1155336 1175967 1265368 1266426 1387038 1423539 1431612 1533042 1567956 1618211 1679046 1688568 1733004 1829282 1849384 1898052 1958887 2044056 2080557 2214394 2238728 2351934 2518569 2532852 2743923 2774076 2847078 2863224 3005249 3066084 3135912 3236422 3321591 3358092 3466008 3637933 3658564 3796104 3917774 4161114 4428788 4703868 4854633 5037138 5065704 5316979 5487846 5548152 5694156 5876661 6010498 6132168 6436343 6472844 6643182 6716184 7275866 7317128 7835548 8231769 8322228 8857576 9015747 9407736 9709266 9964773 10074276 10633958 10913799 10975692 11388312 11753322 12020996 12872686 12945688 13286364 14551732 14563899 15671096 15950937 16463538 16644456 17629983 18031494 19309029 19418532 19929546 20148552 21036743 21267916 21827598 21951384 23506644 24041992 25465531 25745372 26572728 27047241 29103464 29127798 31901874 32741397 32927076 35259966 36062988 37218853 38618058 38837064 39859092 42073486 42535832 43655196 45054401 47013288 47852811 50931062 51490744 54094482 57927087 58255596 63110229 63803748 65482794 65854152 69120727 70519932 72125976 74437706 76396593 77236116 79718184 83672459 84146972 87310392 90108802 95705622 101862124 108188964 111656559 115854174 116511192 122290517 126220458 127607496 130965588 135163203 138241454 141039864 148035889 148875412 152793186 154472232 167344918 168293944 180217604 189330687 191411244 203724248 207362181 216377928 223313118 229189779 231708348 244581034 251017377 252440916 261931176 270326406 276482908 296071778 297750824 305586372 334689836 334969677 360435208 366871551 378661374 382822488 405489609 414724362 444107667 446626236 458379558 463416696 483845089 489162068 502034754 504881832 540652812 552965816 585707213 592143556 611172744 622086543 669379672 669939354 733743102 753052131 757322748 810979218 829448724 856033619 888215334 893252472 916759116 967690178 978324136 1004069508 1036251223 1081305624 1100614653 1171414426 1184287112 1244173086 1332323001 1339878708 1451535267 1467486204 1506104262 1514645496 1589776721 1621958436 1658897448 1712067238 1757121639 1776430668 1833518232 1924466557 1935380356 2008139016 2072502446 2201229306 2342828852 2488346172 2568100857 2664646002 2679757416 2812681891 2903070534 2934972408 3012208524 3108753669 3179553442 3243916872 3424134476 3514243278 3552861336 3848933114 3870760712 4145004892 4354605801 4402458612 4685657704 4769330163 4976692344 5136201714 5271364917 5329292004 5625363782 5773399671 5806141068 6024417048 6217507338 6359106884 6848268952 7028486556 7697866228 7704302571 8290009784 8438045673 8709211602 8804917224 9326261007 9538660326 10272403428 10542729834 10658584008 11128437047 11250727564 11546799342 11612282136 12435014676 12718213768 13471265899 14056973112 14307990489 15395732456 15408605142 16876091346 17320199013 17418423204 18652522014 19077320652 19688773237 20544806856 21085459668 22256874094 22501455128 23093598684 24870029352 25314137019 26942531798 28615980978 30817210284 33385311141 33752182692 34640398026 34836846408 36564864583 37305044028 38154641304 39377546474 40413797697 42170919336 44513748188 46187197368 50628274038 53885063596 57231961956 59066319711 61634420568 66770622282 67504365384 69280796052 73129729166 74610088056 78755092948 80827595394 89027496376 100155933423 101256548076 107770127192 109694593749 114463923912 118132639422 121241393091 133541244564 138561592104 146259458332 157510185896 161655190788 177198959133 200311866846 202513096152 219389187498 236265278844 242482786182 255954052081 267082489128 292518916664 323310381576 329083781247 354397918266 400623733692 438778374996 472530557688 484965572364 511908104162 658167562494 708795836532 767862156243 801247467384 877556749992 969931144728 1023816208324 1316335124988 1417591673064 1535724312486 2047632416648 2303586468729 2632670249976 3071448624972 4607172937458 6142897249944 9214345874916 18428691749832
• Sum of all divisors σ(n): 67601261582400
• Sum of proper divisors (its aliquot sum) s(n): 49172569832568
• 18428691749832 is an abundant number, because the sum of its proper divisors (49172569832568) is greater than itself. Its abundance is 30743878082736

Bases of 18428691749832

• Binary: 100001100001011000011101000000001101111001000₂
• Hexadecimal: 0x10C2C3A01BC8
• Base-36: 6J60V9420

Squares and roots of 18428691749832

• 18428691749832 squared (18428691749832²) is 339616679610326022072028224
• 18428691749832 cubed (18428691749832³) is 6258691101640152775594569665687851258368
• The square root of 18428691749832 is 4292865.2144962577
• The cube root of 18428691749832 is 26413.8375144529
• Being both a perfect square and a perfect cube, 18428691749832 is also a perfect sixth number.

Scales and comparisons

• 18,428,691,749,832 seconds is equal to 585,975 years, 20 weeks, 3 days, 9 hours, 37 minutes, 12 seconds.
• To count from 1 to 18,428,691,749,832 would take you about one million, four hundred sixty-four thousand, nine hundred thirty-eight 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 18428691749832 cubic inches would be around 2201.2 feet tall.

Recreational maths with 18428691749832

• 18428691749832 backwards is 23894719682481
• 18428691749832 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18428691749832's digits is 72
• More coming soon!