38918970072081

Names of 38918970072081

• Cardinal: 38918970072081 can be written as Thirty-eight trillion, nine hundred eighteen billion, nine hundred seventy million, seventy-two thousand and eighty-one.

Scientific notation

• Scientific notation: 3.8918970072081 × 10¹³

Factors of 38918970072081

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 141

Divisors of 38918970072081

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 9 11 19 27 33 47 57 61 81 99 121 141 171 183 209 243 297 363 423 513 517 549 627 671 891 893 1089 1159 1269 1331 1539 1551 1647 1881 2013 2209 2299 2673 2679 2867 3267 3477 3807 3993 4617 4653 4941 5643 5687 6039 6627 6897 7381 8037 8601 9801 9823 10431 11421 11979 12749 13959 14823 16929 17061 18117 19881 20691 22143 24111 24299 25289 25803 29403 29469 31293 31537 35937 38247 41877 41971 50787 51183 54351 54473 59643 62073 62557 66429 72333 72897 75867 77409 81191 88407 93879 94611 103823 107811 108053 114741 125631 125913 134749 140239 153549 163053 163419 178929 186219 187671 199287 216999 218691 227601 232227 243573 265221 267289 281637 283833 311469 323433 324159 344223 346907 377739 404247 420717 460647 461681 490257 536787 558657 563013 597861 599203 656073 682803 696681 730719 795663 801867 851499 934407 972477 1032669 1040721 1133217 1142053 1188583 1212741 1262151 1381941 1385043 1470771 1482239 1542629 1689039 1793583 1797609 1968219 1972637 2048409 2192157 2386989 2405601 2554497 2560231 2803221 2917431 2940179 3098007 3122163 3399651 3426159 3565749 3638223 3786453 3815977 4155129 4412313 4446717 4627887 5067117 5078491 5392827 5904657 5917911 6145227 6333203 6576471 6591233 7216803 7663491 7680693 8409663 8752293 8820537 9366489 10198953 10278477 10697247 10914669 11359359 11447931 12465387 12562583 13236939 13340151 13883661 15201351 15235473 16178481 16304629 17753733 18999609 19729413 19773699 21650409 21699007 23042079 25228989 26256879 26461611 28099467 28162541 30835431 32091741 32744007 34078077 34343793 37396161 37687749 40020453 41650983 45706419 48535443 48913887 53261199 55863401 56998827 59321097 64951227 65097021 69126237 69665233 72503563 79384833 84298401 84487623 92506293 96275223 103031379 112188483 113063247 120061359 120330857 124952949 137119257 138188413 145606329 146741661 159783597 167590203 170996481 177963291 179350919 195291063 207378711 208995699 217510689 238154499 238689077 253462869 277518879 288825669 309094137 309787951 339189741 360184077 360992571 374858847 411357771 414565239 440224983 479350791 502770609 512989443 533889873 538052757 585873189 622136133 626987097 652532067 714463497 716067231 760388607 766317563 927282411 929363853 1017569223 1082977713 1234073313 1243695717 1320674949 1323639427 1508311827 1538968329 1601669619 1614158271 1757619567 1880961291 1957596201 2148201693 2281165821 2298952689 2625579847 2788091559 3052707669 3248933139 3407667461 3731087151 3962024847 3970918281 4524935481 4842474813 5272858701 5642883873 5872788603 6444605079 6843497463 6896858067 7876739541 8364274677 8429493193 9746799417 10223002383 11193261453 11912754843 13574806443 14527424439 14560033697 16928651619 17618365809 19333815237 20690574201 23630218623 25092824031 25288479579 29240398251 30669007149 33579784359 35738264529 43582273317 43680101091 58001445711 62071722603 70890655869 75278472093 75865438737 92007021447 107214793587 131040303273 160160370667 186215167809 212671967607 227596316211 276021064341 321644380761 393120909819 480481112001 638015902821 682788948633 828063193023 1179362729457 1441443336003 2048366845899 3538088188371 4324330008009 12972990024027 38918970072081
• Sum of all divisors σ(n): 70096713523200
• Sum of proper divisors (its aliquot sum) s(n): 31177743451119
• 38918970072081 is a deficient number, because the sum of its proper divisors (31177743451119) is less than itself. Its deficiency is 7741226620962

Bases of 38918970072081

• Binary: 1000110110010110000111011000101101110000010001₂
• Hexadecimal: 0x23658762DC11
• Base-36: DSN4LX829

Squares and roots of 38918970072081

• 38918970072081 squared (38918970072081²) is 1514686231471536558335670561
• 38918970072081 cubed (38918970072081³) is 58950028111233885418469039154835639707441
• The square root of 38918970072081 is 6238507.0387137499
• The cube root of 38918970072081 is 33888.6118533883

Scales and comparisons

• 38,918,970,072,081 seconds is equal to 1,237,502 years, 44 weeks, 6 days, 12 hours, 1 minute, 21 seconds.
• To count from 1 to 38,918,970,072,081 would take you about three million, ninety-three thousand, seven hundred fifty-seven 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 38918970072081 cubic inches would be around 2824.1 feet tall.

Recreational maths with 38918970072081

• 38918970072081 backwards is 18027007981983
• The number of decimal digits it has is: 14
• The sum of 38918970072081's digits is 63
• More coming soon!