38889257421420

Names of 38889257421420

• Cardinal: 38889257421420 can be written as Thirty-eight trillion, eight hundred eighty-nine billion, two hundred fifty-seven million, four hundred twenty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.888925742142 × 10¹³

Factors of 38889257421420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7626618

Divisors of 38889257421420

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 27 28 30 35 36 38 42 45 54 57 60 63 70 71 76 84 90 95 105 108 114 126 133 135 140 142 171 180 189 190 210 213 228 252 266 270 284 285 315 342 355 378 380 399 420 426 497 513 532 540 570 630 639 665 684 710 756 798 852 855 945 994 1026 1065 1140 1197 1260 1278 1330 1349 1420 1491 1596 1710 1890 1917 1988 1995 2052 2130 2394 2485 2556 2565 2660 2698 2982 3195 3420 3591 3780 3834 3990 4047 4260 4473 4788 4970 5130 5396 5964 5985 6390 6745 7182 7455 7668 7980 8094 8946 9443 9585 9940 10260 11970 12141 12780 13419 13490 14364 14910 16188 17892 17955 18886 19170 20235 22365 23940 24282 26838 26980 28329 29820 35910 36423 37772 38340 40470 44730 47215 48564 53676 56658 60705 67095 71820 72846 80940 84987 89460 94430 113316 121410 134190 141645 145692 169974 182115 188860 242820 254961 268380 283290 339948 364230 424935 509922 566580 728460 849870 1019844 1274805 1699740 2549610 5099220 7626511 15253022 22879533 30506044 38132555 45759066 53385577 68638599 76265110 91518132 106771154 114397665 137277198 144903709 152530220 160156731 205915797 213542308 228795330 266927885 274554396 289807418 320313462 343192995 411831594 434711127 457590660 480470193 533855770 541482281 579614836 640626924 686385990 724518545 800783655 823663188 869422254 960940386 1014325963 1029578985 1067711540 1082964562 1304133381 1372771980 1441410579 1449037090 1601567310 1624446843 1738844508 1921880772 2028651926 2059157970 2165929124 2173555635 2402350965 2608266762 2707411405 2882821158 2898074180 3042977889 3203134620 3248893686 3790375967 3912400143 4057303852 4118315940 4347111270 4804701930 4873340529 5071629815 5216533524 5414822810 5765642316 6085955778 6497787372 6520666905 7207052895 7580751934 7824800286 8122234215 8694222540 9128933667 9609403860 9746681058 10143259630 10288163339 10829645620 11371127901 12171911556 13041333810 14414105790 14620021587 15161503868 15214889445 15649600572 16244468430 18257867334 18951879835 19493362116 19562000715 20286519260 20576326678 22742255802 24366702645 26082667620 27386801001 28828211580 29240043174 30429778890 30864490017 32488936860 34113383703 36515734668 37903759670 39124001430 41152653356 45484511604 45644668335 48733405290 51440816695 54773602002 56855639505 58480086348 60859557780 61728980034 68226767406 72017143373 73100107935 75807519340 78248002860 91289336670 92593470051 97466810580 102340151109 102881633390 109547204004 113711279010 123457960068 136453534812 136934005005 144034286746 146200215870 154322450085 170566918515 182578673340 185186940102 204680302218 205763266780 216051430119 227422558020 273868010010 277780410153 288068573492 292400431740 308644900170 341133837030 360085716865 370373880204 409360604436 432102860238 462967350255 511700755545 547736020020 555560820306 617289800340 648154290357 682267674060 720171433730 864205720476 925934700510 1023401511090 1080257150595 1111121640612 1296308580714 1388902050765 1440342867460 1851869401020 1944462871071 2046803022180 2160514301190 2592617161428 2777804101530 3240771451785 3888925742142 4321028602380 5555608203060 6481542903570 7777851484284 9722314355355 12963085807140 19444628710710 38889257421420
• Sum of all divisors σ(n): 147600462643200
• Sum of proper divisors (its aliquot sum) s(n): 108711205221780
• 38889257421420 is an abundant number, because the sum of its proper divisors (108711205221780) is greater than itself. Its abundance is 69821947800360

Bases of 38889257421420

• Binary: 1000110101111010011100010111111100101001101100₂
• Hexadecimal: 0x235E9C5FCA6C
• Base-36: DS9H7S030

Squares and roots of 38889257421420

• 38889257421420 squared (38889257421420²) is 1512374342789470547474816400
• 38889257421420 cubed (38889257421420³) is 58815115134290612553017514124251927288000
• The square root of 38889257421420 is 6236125.1928918169
• The cube root of 38889257421420 is 33879.9855816205

Scales and comparisons

• 38,889,257,421,420 seconds is equal to 1,236,558 years, 4 weeks, 6 days, 1 hour, 57 minutes.
• To count from 1 to 38,889,257,421,420 would take you about three million, ninety-one thousand, three hundred ninety-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 38889257421420 cubic inches would be around 2823.3 feet tall.

Recreational maths with 38889257421420

• 38889257421420 backwards is 02412475298883
• 38889257421420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 38889257421420's digits is 63
• More coming soon!