19978308361185398

Names of 19978308361185398

• Cardinal: 19978308361185398 can be written as Nineteen quadrillion, nine hundred seventy-eight trillion, three hundred eight billion, three hundred sixty-one million, one hundred eighty-five thousand, three hundred ninety-eight.

Scientific notation

• Scientific notation: 1.9978308361185398 × 10¹⁶

Factors of 19978308361185398

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 55

Divisors of 19978308361185398

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 7 14 17 29 34 49 58 98 119 203 238 289 343 406 493 578 686 833 841 986 1421 1666 1682 2023 2842 3451 4046 4913 5831 5887 6902 8381 9826 9947 11662 11774 14161 14297 16762 19894 24157 24389 28322 28594 34391 41209 48314 48778 58667 68782 82418 83521 99127 100079 117334 142477 167042 169099 170723 198254 200158 240737 243049 284954 288463 338198 341446 410669 414613 481474 486098 576926 584647 700553 707281 821338 829226 997339 1169294 1195061 1401106 1414562 1419857 1685159 1701343 1994678 2390122 2422109 2839714 2874683 2902291 3370318 3402686 4092529 4131833 4844218 4903871 4950967 5749366 5804582 6981373 7048421 8185058 8263666 8365427 9807742 9901934 9938999 11909401 12023777 13962746 14096842 16730854 16954763 19877998 20316037 20511149 23818802 24047554 28647703 28922831 33909526 34656769 40632074 41022298 41175853 48869611 49338947 57295406 57845662 69313538 69572993 70241161 82351706 83365807 84166439 97739222 98677894 118683341 119823157 139145986 140482322 142212259 143578043 166731614 168332878 202459817 204404209 237366682 239646314 242597383 284424518 287156086 288230971 345372629 348689533 404919634 408808418 485194766 487010951 491688127 576461942 589165073 690745258 697379066 830783387 838762099 974021902 983376254 1005046301 1178330146 1194099737 1417218719 1430829463 1661566774 1677524198 2010092602 2017616797 2036993669 2388199474 2417608403 2440826731 2834437438 2861658926 3441816889 3474871553 4035233594 4073987338 4124155511 4835216806 4881653462 5871334693 5927722061 6883633778 6949743106 7035324107 8248311022 8358698159 10015806241 11742669386 11855444122 14070648214 14123317579 14258955683 16717396318 17085787117 20031612482 24092718223 24324100871 28246635158 28517911366 34171574234 34628892373 41099342851 41494054427 48185436446 48648201742 58510887113 59072816401 69257784746 70110643687 82198685702 82988108854 99812689781 100771275037 117021774226 118145632802 119600509819 140221287374 170268706097 199625379562 201542550074 239201019638 242402246611 290458380989 340537412194 409576209791 413509714807 484804493222 580916761978 698688828467 705398925259 819152419582 827019429614 1004237878817 1191880942679 1397377656934 1410797850518 1696815726277 1713111675629 2008475757634 2033208666923 2383761885358 2894568003649 3393631452554 3426223351258 4066417333846 4937792476813 5789136007298 7029665151719 9875584953626 11877710083939 11991781729403 14059330303438 20261976025543 23755420167878 23983563458806 29122898485693 34564547337691 40523952051086 49207656062033 58245796971386 69129094675382 83942472105821 98415312124066 167884944211642 203860289399851 344453592434231 407720578799702 587597304740747 688907184868462 1175194609481494 1427022025798957 2854044051597914 9989154180592699 19978308361185398
• Sum of all divisors σ(n): 38457825895944000
• Sum of proper divisors (its aliquot sum) s(n): 18479517534758602
• 19978308361185398 is a deficient number, because the sum of its proper divisors (18479517534758602) is less than itself. Its deficiency is 1498790826426796

Bases of 19978308361185398

• Binary: 1000110111110100010101001100101000101001110100001110110₂
• Hexadecimal: 0x46FA2A6514E876
• Base-36: 5GPPW5PM3JQ

Squares and roots of 19978308361185398

• 19978308361185398 squared (19978308361185398²) is 399132804974610383148059728418404
• 19978308361185398 cubed (19978308361185398³) is 7973998254847639434140977989003673917005159264792
• The square root of 19978308361185398 is 141344643.9069602595
• The cube root of 19978308361185398 is 271343.5925492321

Scales and comparisons

• 19,978,308,361,185,398 seconds is equal to 635,248,408 years, 47 weeks, 6 days, 1 hour, 16 minutes, 38 seconds.
• To count from 1 to 19,978,308,361,185,398 would take you about one billion, nine hundred five million, seven hundred forty-five thousand, two hundred twenty-six 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 19978308361185398 cubic inches would be around 22612 feet tall.

Recreational maths with 19978308361185398

• 19978308361185398 backwards is 89358116380387991
• The number of decimal digits it has is: 17
• The sum of 19978308361185398's digits is 89
• More coming soon!