138863663520

Names of 138863663520

• Cardinal: 138863663520 can be written as One hundred thirty-eight billion, eight hundred sixty-three million, six hundred sixty-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.3886366352 × 10¹¹

Factors of 138863663520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3599

Divisors of 138863663520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 97 120 160 194 240 291 388 480 485 582 776 970 1164 1455 1489 1552 1940 2003 2328 2910 2978 3104 3880 4006 4467 4656 5820 5956 6009 7445 7760 8012 8934 9312 10015 11640 11912 12018 14890 15520 16024 17868 20030 22335 23280 23824 24036 29780 30045 32048 35736 40060 44670 46560 47648 48072 59560 60090 64096 71472 80120 89340 96144 119120 120180 142944 144433 160240 178680 192288 194291 238240 240360 288866 320480 357360 388582 433299 480720 577732 582873 714720 722165 777164 866598 961440 971455 1155464 1165746 1444330 1554328 1733196 1942910 2166495 2310928 2331492 2888660 2914365 2982467 3108656 3466392 3885820 4332990 4621856 4662984 5777320 5828730 5964934 6217312 6932784 7771640 8665980 8947401 9325968 11554640 11657460 11929868 13865568 14912335 15543280 17331960 17894802 18651936 23109280 23314920 23859736 29824670 31086560 34663920 35789604 44737005 46629840 47719472 59649340 69327840 71579208 89474010 93259680 95438944 119298680 143158416 178948020 238597360 286316832 289299299 357896040 477194720 578598598 715792080 867897897 1157197196 1431584160 1446496495 1735795794 2314394392 2892992990 3471591588 4339489485 4628788784 5785985980 6943183176 8678978970 9257577568 11571971960 13886366352 17357957940 23143943920 27772732704 34715915880 46287887840 69431831760 138863663520
• Sum of all divisors σ(n): 442447608960
• Sum of proper divisors (its aliquot sum) s(n): 303583945440
• 138863663520 is an abundant number, because the sum of its proper divisors (303583945440) is greater than itself. Its abundance is 164720281920

Bases of 138863663520

• Binary: 10000001010100111010110101100110100000₂
• Hexadecimal: 0x2054EB59A0
• Base-36: 1RSJU8IO

Squares and roots of 138863663520

• 138863663520 squared (138863663520²) is 19283117046195778790400
• 138863663520 cubed (138863663520³) is 2677724277119706921994458206208000
• The square root of 138863663520 is 372644.1513293883
• The cube root of 138863663520 is 5178.4072999287

Scales and comparisons

• 138,863,663,520 seconds is equal to 4,415 years, 22 weeks, 4 days, 7 hours, 52 minutes.
• To count from 1 to 138,863,663,520 would take you about eight thousand, eight hundred thirty 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 138863663520 cubic inches would be around 431.5 feet tall.

Recreational maths with 138863663520

• 138863663520 backwards is 025366368831
• The number of decimal digits it has is: 12
• The sum of 138863663520's digits is 51
• More coming soon!