18989140021644

Names of 18989140021644

• Cardinal: 18989140021644 can be written as Eighteen trillion, nine hundred eighty-nine billion, one hundred forty million, twenty-one thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 1.8989140021644 × 10¹³

Factors of 18989140021644

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 544

Divisors of 18989140021644

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 12 13 26 31 39 52 61 62 78 93 122 124 127 156 169 183 186 244 254 307 338 366 372 381 403 507 508 614 676 732 762 793 806 921 1014 1209 1228 1524 1586 1612 1651 1842 1891 2028 2379 2418 3172 3302 3684 3782 3937 3991 4758 4836 4953 5239 5673 6604 7564 7747 7874 7982 9516 9517 9906 10309 10478 11346 11811 11973 15494 15717 15748 15964 16129 18727 19034 19812 20618 20956 21463 22692 23241 23622 23946 24583 28551 30927 30988 31434 32258 37454 38068 38989 41236 42926 46482 47244 47892 48387 49166 51181 51883 56181 57102 61854 62868 64389 64516 73749 74908 77978 85852 92964 96774 98332 100711 102362 103766 112362 114204 116967 123708 123721 128778 147498 153543 155649 155956 193548 201422 204724 207532 209677 224724 233934 240157 243451 247442 257556 294996 302133 307086 311298 319579 371163 402844 419354 467868 480314 486902 494884 499999 506857 580537 604266 614172 622596 629031 639158 665353 720471 730353 742326 838708 958737 960628 973804 983869 999998 1013714 1161074 1208532 1208659 1258062 1278316 1309243 1330706 1440942 1460706 1484652 1499997 1520571 1608373 1741611 1917474 1967738 1996059 1999996 2027428 2322148 2378329 2417318 2516124 2618486 2661412 2725801 2881884 2921412 2951607 2999994 3041142 3122041 3164863 3216746 3483222 3625977 3834948 3927729 3935476 3992118 4756658 4825119 4834636 4951603 5236972 5451602 5903214 5999988 6082284 6244082 6329726 6433492 6499987 6589141 6966444 7134987 7251954 7546981 7855458 7984236 8177403 9366123 9494589 9513316 9650238 9903206 10903204 11806428 12488164 12659452 12790297 12999974 13178282 14269974 14503908 14854809 15093962 15710916 15712567 16354806 18732246 18989178 19300476 19499961 19767423 19806412 22640943 25580594 25999948 26356564 28539948 29709618 30187924 30499939 30918277 31425134 32709612 37464492 37978356 38370891 38999922 39534846 40586533 45281886 47137701 51161188 59419236 60999878 61836554 62850268 64370839 73728199 76741782 77999844 79069692 81173066 84499831 90563772 91499817 92754831 94275402 98110753 121759599 121999756 123673108 128741678 147456398 153483564 153499693 162346132 166273861 168999662 182999634 185509662 188550804 193112517 196221506 204263371 221184597 243519198 253499493 257483356 294332259 294912796 302047783 306999386 332547722 337999324 365999268 371019324 386225034 392443012 396499207 401937601 408526742 442369194 460499079 487038396 498821583 506998986 588664518 604095566 612790113 613998772 665095444 772450068 792998414 803875202 817053484 836820907 884738388 906143349 920998158 958466587 997643166 1013997972 1177329036 1189497621 1205812803 1208191132 1225580226 1585996828 1607750404 1673641814 1812286698 1841996316 1916933174 1995286332 1995496009 2378995242 2411625606 2451160452 2510462721 2875399761 3347283628 3624573396 3833866348 3926621179 3990992018 4757990484 4823251212 5020925442 5154489691 5750799522 5986488027 7853242358 7981984036 9363481273 10041850884 10308979382 11501599044 11779863537 11972976054 12460065631 15463469073 15706484716 18726962546 20617958764 23559727074 23945952108 24920131262 25941448117 28090443819 30926938146 37380196893 37453925092 47119454148 49840262524 51046075327 51882896234 56180887638 61853876292 74760393786 77824344351 102092150654 103765792468 112361775276 121725256549 149520787572 153138225981 155648688702 204184301308 243450513098 306276451962 311297377404 365175769647 486901026196 612552903924 730351539294 1460703078588 1582428335137 3164856670274 4747285005411 6329713340548 9494570010822 18989140021644
• Sum of all divisors σ(n): 50902828010496
• Sum of proper divisors (its aliquot sum) s(n): 31913687988852
• 18989140021644 is an abundant number, because the sum of its proper divisors (31913687988852) is greater than itself. Its abundance is 12924547967208

Bases of 18989140021644

• Binary: 100010100010101000000111100100001000110001100₂
• Hexadecimal: 0x114540F2118C
• Base-36: 6QBHNOM8C

Squares and roots of 18989140021644

• 18989140021644 squared (18989140021644²) is 360587438761601892788462736
• 18989140021644 cubed (18989140021644³) is 6847245364690039490981220646200527457984
• The square root of 18989140021644 is 4357653.0405304183
• The cube root of 18989140021644 is 26678.9315210591

Scales and comparisons

• 18,989,140,021,644 seconds is equal to 603,795 years, 47 weeks, 4 days, 5 hours, 7 minutes, 24 seconds.
• To count from 1 to 18,989,140,021,644 would take you about one million, five hundred nine thousand, four hundred eighty-nine 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 18989140021644 cubic inches would be around 2223.2 feet tall.

Recreational maths with 18989140021644

• 18989140021644 backwards is 44612004198981
• The number of decimal digits it has is: 14
• The sum of 18989140021644's digits is 57
• More coming soon!