31978861944972426

Names of 31978861944972426

• Cardinal: 31978861944972426 can be written as Thirty-one quadrillion, nine hundred seventy-eight trillion, eight hundred sixty-one billion, nine hundred forty-four million, nine hundred seventy-two thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 3.1978861944972426 × 10¹⁶

Factors of 31978861944972426

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3940

Divisors of 31978861944972426

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 121 127 162 198 242 243 254 297 363 381 486 594 726 729 762 891 1089 1143 1331 1397 1458 1782 2178 2187 2286 2662 2673 2794 3267 3429 3797 3993 4191 4374 5346 6534 6561 6858 7594 7986 8019 8382 9801 10287 11391 11979 12573 13122 15367 16038 19602 20574 22782 23958 24057 25146 29403 30734 30861 34173 35937 37719 41767 46101 48114 58806 61722 68346 71874 72171 75438 83534 88209 92202 92583 102519 107811 113157 125301 138303 144342 169037 176418 185166 205038 215622 226314 250602 264627 276606 277749 307557 323433 338074 339471 375903 414909 459437 482219 507111 529254 555498 615114 646866 678942 751806 793881 829818 833247 918874 922671 964438 970299 1014222 1018413 1127709 1244727 1378311 1446657 1521333 1587762 1666494 1845342 1940598 2036826 2255418 2489454 2756622 2768013 2893314 2910897 3042666 3055239 3383127 3734181 4134933 4339971 4563999 5053807 5304409 5536026 5821794 6110478 6766254 7468362 8269866 8304039 8679942 8732691 9127998 9165717 10107614 10149381 10608818 11202543 12404799 13019913 13691997 14417209 15161421 15913227 16608078 17465382 18331434 20298762 22405086 24809598 24912117 26039826 27383994 28834418 30322842 30448143 31826454 33607629 37214397 39059739 41075991 43251627 45484263 47739681 49824234 58348499 60896286 67215258 74428794 78119478 82151982 86503254 90968526 91344429 95479362 100822887 111643191 116696998 117179217 123227973 129754881 136452789 143219043 158589299 175045497 182688858 201645774 223286382 234358434 246455946 259509762 272905578 274033287 286438086 317178598 334929573 350090994 351537651 369683919 389264643 409358367 429657129 475767897 525136491 548066574 641833489 669859146 703075302 739367838 778529286 818716734 859314258 951535794 1004788719 1050272982 1054612953 1109051757 1167793929 1228075101 1283666978 1288971387 1427303691 1575409473 1744482289 1830985543 1925500467 2009577438 2109225906 2218103514 2335587858 2456150202 2577942774 2854607382 3014366157 3150818946 3163838859 3488964578 3503381787 3661971086 3684225303 3851000934 3866914161 4281911073 4726228419 5233446867 5492956629 5776501401 6028732314 6327677718 7006763574 7368450606 7733828322 8563822146 9452456838 10466893734 10510145361 10985913258 11052675909 11553002802 11600742483 12845733219 14178685257 15700340601 16478869887 17329504203 19189305179 20140840973 21020290722 22105351818 23201484966 25691466438 28357370514 31400681202 31530436083 32957739774 33158027727 34659008406 34802227449 38378610358 38537199657 40281681946 42536055771 47101021803 49436609661 51988512609 57567915537 60422522919 63060872166 66316055454 69604454898 77074399314 85072111542 94202043606 94591308249 98873219322 103977025218 115135831074 115611598971 120845045838 127608167313 141303065409 148309828983 155965537827 172703746611 181267568757 189182616498 221549250703 231223197942 255216334626 282606130818 296619657966 311931075654 345407493222 346834796913 362535137514 382824501939 423909196227 443098501406 444929486949 467896613481 518111239833 543802706271 664647752109 693669593826 765649003878 847818392454 889858973898 935793226962 1036222479666 1040504390739 1087605412542 1271727588681 1329295504218 1334788460847 1403689840443 1554333719499 1631408118813 1993943256327 2081008781478 2437041757733 2543455177362 2669576921694 2807379680886 3108667438998 3262816237626 3815182766043 3987886512654 4004365382541 4211069521329 4663001158497 4874083515466 4894224356439 5981829768981 7311125273199 7630365532086 8008730765082 8422139042658 9326002316994 9788448712878 11445548298129 11963659537962 12013096147623 13989003475491 14622250546398 14682673069317 17945489306943 21933375819597 22891096596258 24026192295246 27978006950982 29365346138634 35890978613886 41967010426473 43866751639194 44048019207951 53836467920829 65800127458791 83934020852946 88096038415902 107672935841658 125901031279419 131600254917582 132144057623853 161509403762487 197400382376373 251802062558838 264288115247706 323018807524974 394800764752746 484528211287461 592201147129119 969056422574922 1184402294258238 1453584633862383 1776603441387357 2907169267724766 3553206882774714 5329810324162071 10659620648324142 15989430972486213 31978861944972426
• Sum of all divisors σ(n): 79782404411354112
• Sum of proper divisors (its aliquot sum) s(n): 47803542466381686
• 31978861944972426 is an abundant number, because the sum of its proper divisors (47803542466381686) is greater than itself. Its abundance is 15824680521409260

Bases of 31978861944972426

• Binary: 1110001100111001001101100000010100011010010010010001010₂
• Hexadecimal: 0x719C9B028D248A
• Base-36: 8QVK6D8AEMI

Squares and roots of 31978861944972426

• 31978861944972426 squared (31978861944972426²) is 1022647611295605612746457900325476
• 31978861944972426 cubed (31978861944972426³) is 32703106779977995989952244453097096740267245324776
• The square root of 31978861944972426 is 178826345.7798442685
• The cube root of 31978861944972426 is 317410.2896398561

Scales and comparisons

• 31,978,861,944,972,426 seconds is equal to 1,016,828,892 years, 38 weeks, 1 day, 16 hours, 47 minutes, 6 seconds.
• To count from 1 to 31,978,861,944,972,426 would take you about three billion, fifty million, four hundred eighty-six thousand, six hundred seventy-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 31978861944972426 cubic inches would be around 26450.9 feet tall.

Recreational maths with 31978861944972426

• 31978861944972426 backwards is 62427944916887913
• The number of decimal digits it has is: 17
• The sum of 31978861944972426's digits is 90
• More coming soon!