138772023390

Names of 138772023390

• Cardinal: 138772023390 can be written as One hundred thirty-eight billion, seven hundred seventy-two million, twenty-three thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.3877202339 × 10¹¹

Factors of 138772023390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 73392

Divisors of 138772023390

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 26 27 30 33 35 39 42 45 49 54 55 63 65 66 70 77 78 90 91 98 99 105 110 117 126 130 135 143 147 154 165 182 189 195 198 210 231 234 245 270 273 286 294 297 315 330 351 378 385 390 429 441 455 462 490 495 539 546 585 594 630 637 693 702 715 735 770 819 858 882 910 945 990 1001 1078 1155 1170 1274 1287 1323 1365 1386 1430 1470 1485 1617 1638 1755 1890 1911 2002 2079 2145 2205 2310 2457 2574 2646 2695 2730 2970 3003 3185 3234 3465 3510 3822 3861 4095 4158 4290 4410 4851 4914 5005 5390 5733 6006 6370 6435 6615 6930 7007 7722 8085 8190 9009 9555 9702 10010 10395 11466 12285 12870 13230 14014 14553 15015 16170 17199 18018 19110 19305 20790 21021 24255 24570 27027 28665 29106 30030 34398 35035 38610 42042 45045 48510 54054 57330 63063 70070 72765 73351 85995 90090 105105 126126 135135 145530 146702 171990 189189 210210 220053 270270 315315 366755 378378 440106 513457 630630 660159 733510 806861 945945 953563 1026914 1100265 1320318 1540371 1613722 1891890 1907126 1980477 2200530 2420583 2567285 2860689 3080742 3300795 3594199 3960954 4034305 4621113 4767815 4841166 5134570 5648027 5721378 6601590 6674941 7188398 7261749 7701855 8068610 8582067 9242226 9535630 9902385 10489193 10782597 11296054 12102915 13349882 13863339 14303445 14523498 15403710 16944081 17164134 17970995 19804770 20024823 20978386 21565194 21785247 23105565 24205830 25746201 27726678 28240135 28606890 31467579 32347791 33374705 33888162 35941990 36308745 39536189 40049646 42910335 43570494 46211130 46724587 50832243 51492402 52445965 53912985 56480270 60074469 62935158 64695582 66749410 69316695 72617490 73424351 79072378 84720405 85820670 93449174 94402737 97043373 100124115 101664486 104891930 107825970 108926235 118608567 120148938 128731005 138633390 140173761 146848702 152496729 157337895 161738955 169440810 180223407 188805474 194086746 197680945 200248230 217852470 220273053 233622935 237217134 254161215 257462010 280347522 283208211 300372345 304993458 314675790 323477910 355825701 360446814 367121755 395361890 420521283 440546106 467245870 472013685 485216865 508322430 513970457 566416422 593042835 600744690 660819159 700868805 711651402 734243510 762483645 841042566 901117035 944027370 970433730 1027940914 1067477103 1101365265 1186085670 1261563849 1321638318 1401737610 1416041055 1524967290 1541911371 1779128505 1802234070 1982457477 2102606415 2134954206 2202730530 2523127698 2569852285 2832082110 3083822742 3304095795 3558257010 3964914954 4205212830 4625734113 5139704570 5337385515 6307819245 6608191590 7709556855 9251468226 9912287385 10674771030 12615638490 13877202339 15419113710 19824574770 23128670565 27754404678 46257341130 69386011695 138772023390
• Sum of all divisors σ(n): 505741501440
• Sum of proper divisors (its aliquot sum) s(n): 366969478050
• 138772023390 is an abundant number, because the sum of its proper divisors (366969478050) is greater than itself. Its abundance is 228197454660

Bases of 138772023390

• Binary: 10000001001111011101010000100001011110₂
• Hexadecimal: 0x204F75085E
• Base-36: 1RR1A2JI

Squares and roots of 138772023390

• 138772023390 squared (138772023390²) is 19257674475754707092100
• 138772023390 cubed (138772023390³) is 2672426452786438200487500084219000
• The square root of 138772023390 is 372521.1717339029
• The cube root of 138772023390 is 5177.2679225611

Scales and comparisons

• 138,772,023,390 seconds is equal to 4,412 years, 27 weeks, 16 hours, 16 minutes, 30 seconds.
• To count from 1 to 138,772,023,390 would take you about eight thousand, eight hundred twenty-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 138772023390 cubic inches would be around 431.4 feet tall.

Recreational maths with 138772023390

• 138772023390 backwards is 093320277831
• 138772023390 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138772023390's digits is 45
• More coming soon!