31421478942359451

Names of 31421478942359451

• Cardinal: 31421478942359451 can be written as Thirty-one quadrillion, four hundred twenty-one trillion, four hundred seventy-eight billion, nine hundred forty-two million, three hundred fifty-nine thousand, four hundred fifty-one.

Scientific notation

• Scientific notation: 3.1421478942359451 × 10¹⁶

Factors of 31421478942359451

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5017

Divisors of 31421478942359451

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 9 11 31 33 93 99 121 279 341 363 379 631 1023 1089 1137 1801 1893 2161 3069 3411 3751 4169 5403 5679 6483 6941 11253 11749 12507 16209 19449 19561 19811 20823 23771 33759 35247 37521 45859 55831 58683 59433 62469 66991 71313 76351 105741 129239 137577 167493 176049 178299 200973 213939 215171 217921 229053 239149 261481 387717 412731 502479 602919 614141 645513 653763 682579 687159 717447 736901 784443 819019 1136431 1163151 1363591 1421629 1842423 1936539 1961289 2047737 2152341 2210703 2353329 2366881 2457057 2630639 3409293 3891961 4090773 4264887 5527269 6143211 6632109 6755551 7100643 7371171 7413619 7508369 7891917 8105911 9009209 10227879 11675883 12272319 12500741 12794661 14999501 20266653 21159949 21301929 22240857 22525107 23675751 24317733 25389589 27027627 28937029 35027649 35229361 37502223 42271321 42811571 44998503 60799959 63479847 66722571 67575321 72953199 76168767 81082881 81549809 82592059 86811087 99101299 105688083 112506669 120650791 126813963 128434713 134995509 137508151 164994511 190439541 228506301 232759439 244649427 247776177 260433261 279285479 297303897 317064249 361952373 380441889 385304139 387522971 412524453 430707349 464984531 470927281 494983533 516800989 698278317 733948281 743328531 837856437 891911691 897047899 1085857119 1162568913 1237573359 1292122047 1327158701 1394953593 1412781843 1475053219 1484950599 1550402967 2094834951 2455827391 2513569311 2560353829 2691143697 3072140269 3487706739 3876366141 3981476103 4184860779 4238345529 4262752681 4425159657 4651208901 4737780839 5114829841 5684810879 7367482173 7681061487 8073431091 9216420807 11944428309 12788258043 13275478971 13351927819 14213342517 14598745711 15344489523 16020830659 16225585409 17054432637 22102446519 23043184461 27014101301 27649262421 38364774129 40055783457 42640027551 43796237133 45726649789 46033468569 48062491977 48676756227 51163297911 52115589229 62532919669 76130649121 81042303903 120167350371 131388711399 137179949367 144187475931 146030268681 146871206009 156346767687 176229137249 178481439499 187598759007 228391947363 243126911709 297155114311 411539848101 440613618027 469040303061 502993147679 528687411747 535444318497 562796277021 685175842089 837437140331 891465342933 930758581189 1321840854081 1508979443037 1586062235241 1606332955491 1615583266099 1938520509739 2512311420993 2674396028799 2792275743567 4526938329111 4846749798297 5532924624469 5815561529217 7536934262979 8376827230701 9211808543641 10238344393079 14540249394891 16598773873407 17446684587651 27635425630923 28853516016859 30715033179237 49796321620221 82906276892769 86560548050577 92145099537711 112621788323869 259681644151731 317388676185449 337865364971607 952166028556347 1013596094914821 2856498085669041 3491275438039939 10473826314119817 31421478942359451
• Sum of all divisors σ(n): 51767372526571520
• Sum of proper divisors (its aliquot sum) s(n): 20345893584212069
• 31421478942359451 is a deficient number, because the sum of its proper divisors (20345893584212069) is less than itself. Its deficiency is 11075585358147382

Bases of 31421478942359451

• Binary: 1101111101000011010101100101010101011010011111110011011₂
• Hexadecimal: 0x6FA1AB2AAD3F9B
• Base-36: 8LDZG5FQHSR

Squares and roots of 31421478942359451

• 31421478942359451 squared (31421478942359451²) is 987309338925138403418490889021401
• 31421478942359451 cubed (31421478942359451³) is 31022719602631066586635592207051990477387373610851
• The square root of 31421478942359451 is 177261047.4479925073
• The cube root of 31421478942359451 is 315555.3450086579

Scales and comparisons

• 31,421,478,942,359,451 seconds is equal to 999,105,837 years, 18 weeks, 1 day, 19 hours, 50 minutes, 51 seconds.
• To count from 1 to 31,421,478,942,359,451 would take you about two billion, nine hundred ninety-seven million, three hundred seventeen thousand, five hundred twelve 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 31421478942359451 cubic inches would be around 26296.3 feet tall.

Recreational maths with 31421478942359451

• 31421478942359451 backwards is 15495324987412413
• The number of decimal digits it has is: 17
• The sum of 31421478942359451's digits is 72
• More coming soon!