138521818439680

Names of 138521818439680

• Cardinal: 138521818439680 can be written as One hundred thirty-eight trillion, five hundred twenty-one billion, eight hundred eighteen million, four hundred thirty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.3852181843968 × 10¹⁴

Factors of 138521818439680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 147

Divisors of 138521818439680

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 127 128 130 160 208 254 256 260 320 416 508 512 520 635 640 832 1016 1024 1040 1270 1280 1651 1664 2032 2048 2080 2540 2560 3302 3328 4064 4096 4160 5080 5120 6604 6656 8128 8192 8255 8320 10160 10240 13208 13312 16129 16256 16510 16640 20320 20480 26416 26624 32258 32512 33020 33280 40640 40960 52832 53248 64516 65024 66040 66560 80645 81280 105664 106496 129032 130048 132080 133120 161290 162560 209677 211328 258064 260096 264160 266240 322580 325120 419354 422656 516128 520192 528320 532480 645160 650240 838708 845312 1032256 1040384 1048385 1056640 1290320 1300480 1677416 1690624 2048383 2064512 2096770 2113280 2580640 2600960 3354832 3381248 4096766 4129024 4193540 4226560 5161280 5201920 6709664 6762496 8193532 8258048 8387080 8453120 10241915 10322560 13419328 13524992 16387064 16516096 16774160 16906240 20483830 20645120 26628979 26838656 32774128 33032192 33548320 33812480 40967660 41290240 53257958 53677312 65548256 66064384 67096640 67624960 81935320 82580480 106515916 107354624 131096512 132128768 133144895 134193280 163870640 165160960 213031832 214709248 260144641 262193024 266289790 268386560 327741280 330321920 426063664 429418496 520289282 524386048 532579580 536773120 655482560 660643840 852127328 858836992 1040578564 1048772096 1065159160 1073546240 1300723205 1310965120 1704254656 1717673984 2081157128 2097544192 2130318320 2147092480 2601446410 2621930240 3381880333 3408509312 4162314256 4195088384 4260636640 4294184960 5202892820 5243860480 6763760666 6817018624 8324628512 8390176768 8521273280 8588369920 10405785640 10487720960 13527521332 13634037248 16649257024 16780353536 16909401665 17042546560 20811571280 20975441920 27055042664 27268074496 33298514048 33818803330 34085093120 41623142560 41950883840 54110085328 54536148992 66597028096 67637606660 68170186240 83246285120 83901767680 108220170656 109072297984 133194056192 135275213320 136340372480 166492570240 216440341312 218144595968 266388112384 270550426640 272680744960 332985140480 432880682624 532776224768 541100853280 545361489920 665970280960 865761365248 1065552449536 1082201706560 1090722979840 1331940561920 1731522730496 2131104899072 2164403413120 2663881123840 3463045460992 4328806826240 5327762247680 6926090921984 8657613652480 10655524495360 13852181843968 17315227304960 27704363687936 34630454609920 69260909219840 138521818439680
• Sum of all divisors σ(n): 360845070652332
• Sum of proper divisors (its aliquot sum) s(n): 222323252212652
• 138521818439680 is an abundant number, because the sum of its proper divisors (222323252212652) is greater than itself. Its abundance is 83801433772972

Bases of 138521818439680

• Binary: 11111011111110000011111110010000010000000000000₂
• Hexadecimal: 0x7DFC1FC82000
• Base-36: 1D3O1M66F4

Squares and roots of 138521818439680

• 138521818439680 squared (138521818439680²) is 19188294183835670069798502400
• 138521818439680 cubed (138521818439680³) is 2657997403100452418065542862414368735232000
• The square root of 138521818439680 is 11769529.2361113575
• The cube root of 138521818439680 is 51741.5452517861

Scales and comparisons

• 138,521,818,439,680 seconds is equal to 4,404,565 years, 18 weeks, 1 day, 11 hours, 54 minutes, 40 seconds.
• To count from 1 to 138,521,818,439,680 would take you about eleven million, eleven thousand, four hundred thirteen 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 138521818439680 cubic inches would be around 4311.8 feet tall.

Recreational maths with 138521818439680

• 138521818439680 backwards is 086934818125831
• The number of decimal digits it has is: 15
• The sum of 138521818439680's digits is 67
• More coming soon!