13865390284459021

Names of 13865390284459021

• Cardinal: 13865390284459021 can be written as Thirteen quadrillion, eight hundred sixty-five trillion, three hundred ninety billion, two hundred eighty-four million, four hundred fifty-nine thousand and twenty-one.

Scientific notation

• Scientific notation: 1.3865390284459021 × 10¹⁶

Factors of 13865390284459021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 251

Divisors of 13865390284459021

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 11 49 77 121 233 343 539 847 1331 1631 2401 2563 3773 5929 9317 11417 16807 17941 26411 28193 41503 54289 65219 79919 117649 125587 184877 197351 290521 310123 380023 456533 559433 597179 823543 879109 1294139 1381457 2033647 2170861 2660161 3195731 3916031 4180253 6153763 6568969 9058973 9670199 12649337 14235529 15196027 18621127 22370117 27412217 29261771 43076341 45982783 67691393 72258659 88545359 99648703 106372189 130347889 139142707 156590819 191885519 204832397 301534387 321879481 473839751 505810613 619817513 744605323 912435223 973998949 1096135733 1433826779 1530569777 2110740709 2253156367 3316878257 3540674291 4338722591 5212237261 6387046561 6817992643 10036787453 10713988439 15772094569 16836267547 23218147799 24784720037 30371058137 36485660827 44709325927 47725948501 70257512171 74997919073 110404661983 117853872829 173493040259 212597406959 255399625789 334081639507 491802585197 524985433511 772832633881 824977109803 1214451281813 1488181848713 2338571476549 3674898034577 5409828437167 5774839768621 8501158972691 10417272940991 16370000335843 25724286242039 40423878380347 59508112808837 114590002350901 180070003694273 282967148662429 1260490025859911 1980770040637003 13865390284459021
• Sum of all divisors σ(n): 17869391759232000
• Sum of proper divisors (its aliquot sum) s(n): 4004001474772979
• 13865390284459021 is a deficient number, because the sum of its proper divisors (4004001474772979) is less than itself. Its deficiency is 9861388809686042

Bases of 13865390284459021

• Binary: 110001010000100111111110111110100100111100110000001101₂
• Hexadecimal: 0x31427FBE93CC0D
• Base-36: 3SIVCD1LJPP

Squares and roots of 13865390284459021

• 13865390284459021 squared (13865390284459021²) is 192249047740370611283314628278441
• 13865390284459021 cubed (13865390284459021³) is 2665608078735833178389644076608845852054242266261
• The square root of 13865390284459021 is 117751391.8578418375
• The cube root of 13865390284459021 is 240239.2884508361

Scales and comparisons

• 13,865,390,284,459,021 seconds is equal to 440,876,522 years, 30 weeks, 6 hours, 37 minutes, 1 second.
• To count from 1 to 13,865,390,284,459,021 would take you about one billion, three hundred twenty-two million, six hundred twenty-nine thousand, five hundred sixty-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 13865390284459021 cubic inches would be around 20019.9 feet tall.

Recreational maths with 13865390284459021

• 13865390284459021 backwards is 12095448209356831
• The number of decimal digits it has is: 17
• The sum of 13865390284459021's digits is 70
• More coming soon!