1238661216385242

Names of 1238661216385242

• Cardinal: 1238661216385242 can be written as One quadrillion, two hundred thirty-eight trillion, six hundred sixty-one billion, two hundred sixteen million, three hundred eighty-five thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.238661216385242 × 10¹⁵

Factors of 1238661216385242

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3977

Divisors of 1238661216385242

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 13 26 31 39 62 78 93 186 403 433 601 806 866 1093 1202 1209 1299 1801 1803 2186 2418 2598 3279 3602 3606 5403 5629 6558 7813 10806 11258 13423 14209 15626 16887 18631 23413 23439 26846 28418 33774 33883 37262 40269 42627 46826 46878 55831 55893 67766 70239 80538 85254 101649 111662 111786 140478 167493 174499 203298 242203 260233 334986 348998 440479 473269 484406 520466 523497 656893 725803 726609 779833 780699 880958 946538 1046994 1082401 1313786 1321437 1419807 1451606 1453218 1559666 1561398 1968493 1970679 2164802 2177409 2339499 2642874 2839614 3247203 3383029 3936986 3941358 4354818 4678998 5905479 6152497 6494406 6766058 8067223 8539609 10137829 10149087 11810958 12304994 14071213 14671339 16134446 17079218 18457491 20275658 20298174 20363683 24174823 24201669 25590409 25618827 28142426 29342678 30413487 33554431 36914982 40727366 42213639 44014017 48349646 48403338 51180818 51237654 60826974 61023283 61091049 67108862 72524469 76771227 84427278 88028034 100663293 104873899 122046566 122182098 145048938 153542454 183069849 190727407 201326586 209747798 264727879 284434669 314272699 314621697 366139698 381454814 436207603 468679633 529455758 568869338 572182221 628545398 629243394 793302679 794183637 852357469 853304007 872415206 937359266 942818097 1144364442 1183064293 1308622809 1406038899 1586605358 1588367274 1704714938 1706608014 1885636194 2366128586 2379908037 2557072407 2617245618 2812077798 3549192879 3697650697 4759816074 5114144814 6092835229 7098385758 7395301394 8817474739 11080647097 11092952091 12185670458 14529068623 15379835809 17634949478 18278505687 22161294194 22185904182 26423081539 26452424217 29058137246 30759671618 33241941291 36557011374 36674993083 43587205869 46139507427 52846163078 52904848434 66483882582 73349986166 79269244617 87174411738 92279014854 110024979249 114627171607 158538489234 188877892099 220049958498 229254343214 343500060007 343881514821 377755784198 476774910079 512266838869 566633676297 687000120014 687763029642 953549820158 1024533677738 1030500180021 1133267352594 1430324730237 1536800516607 2061000360042 2860649460474 3073601033214 6659468905297 13318937810594 15880272004939 19978406715891 31760544009878 39956813431782 47640816014817 95281632029634 206443536064207 412887072128414 619330608192621 1238661216385242
• Sum of all divisors σ(n): 2768965785513984
• Sum of proper divisors (its aliquot sum) s(n): 1530304569128742
• 1238661216385242 is an abundant number, because the sum of its proper divisors (1530304569128742) is greater than itself. Its abundance is 291643352743500

Bases of 1238661216385242

• Binary: 100011001101000111001001001110011001011100011011010₂
• Hexadecimal: 0x4668E49CCB8DA
• Base-36: C72H3UY8D6

Squares and roots of 1238661216385242

• 1238661216385242 squared (1238661216385242²) is 1534281608976967304496955398564
• 1238661216385242 cubed (1238661216385242³) is 1900455124052916552985945880602064985477592488
• The square root of 1238661216385242 is 35194619.1396531807
• The cube root of 1238661216385242 is 107395.0290664549

Scales and comparisons

• 1,238,661,216,385,242 seconds is equal to 39,385,595 years, 13 weeks, 3 hours, 42 seconds.
• To count from 1 to 1,238,661,216,385,242 would take you about one hundred eighteen million, one hundred fifty-six thousand, seven hundred eighty-five 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 1238661216385242 cubic inches would be around 8949.6 feet tall.

Recreational maths with 1238661216385242

• 1238661216385242 backwards is 2425836121668321
• The number of decimal digits it has is: 16
• The sum of 1238661216385242's digits is 60
• More coming soon!