138972326220

Names of 138972326220

• Cardinal: 138972326220 can be written as One hundred thirty-eight billion, nine hundred seventy-two million, three hundred twenty-six thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.3897232622 × 10¹¹

Factors of 138972326220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 292620

Divisors of 138972326220

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 29 30 35 36 39 42 45 52 58 60 63 65 70 78 84 87 90 91 105 116 117 126 130 140 145 156 174 180 182 195 203 210 234 252 260 261 273 290 315 348 364 377 390 406 420 435 455 468 522 546 580 585 609 630 754 780 812 819 870 910 1015 1044 1092 1131 1170 1218 1260 1305 1365 1508 1638 1740 1820 1827 1885 2030 2262 2340 2436 2610 2639 2730 3045 3276 3393 3654 3770 4060 4095 4524 5220 5278 5460 5655 6090 6786 7308 7540 7917 8190 9135 10556 11310 12180 13195 13572 15834 16380 16965 18270 22620 23751 26390 31668 33930 36540 39585 47502 52780 67860 79170 95004 118755 158340 237510 292561 475020 585122 877683 1170244 1462805 1755366 2047927 2633049 2925610 3510732 3803293 4095854 4388415 5266098 5851220 6143781 7606586 8191708 8484269 8776830 10239635 10532196 11409879 12287562 13165245 15213172 16968538 17553660 18431343 19016465 20479270 22819758 24575124 25452807 26330490 26623051 30718905 33937076 34229637 36862686 38032930 40958540 42421345 45639516 50905614 52660980 53246102 57049395 59389883 61437810 68459274 73725372 76065860 76358421 79869153 84842690 92156715 101811228 106492204 110295497 114098790 118779766 122875620 127264035 133115255 136918548 152716842 159738306 169685380 171148185 178169649 184313430 220590994 228197580 237559532 239607459 254528070 266230510 296949415 305433684 319476612 330886491 342296370 356339298 368626860 381792105 399345765 441181988 479214918 509056140 532461020 534508947 551477485 593898830 661772982 684592740 712678596 763584210 772068479 798691530 890848245 958429836 992659473 1069017894 1102954970 1187797660 1198037295 1323545964 1527168420 1544136958 1597383060 1654432455 1781696490 1985318946 2138035788 2205909940 2316205437 2396074590 2672544735 3088273916 3308864910 3563392980 3860342395 3970637892 4632410874 4792149180 4963297365 5345089470 6617729820 6948616311 7720684790 9264821748 9926594730 10690178940 11581027185 13897232622 15441369580 19853189460 23162054370 27794465244 34743081555 46324108740 69486163110 138972326220
• Sum of all divisors σ(n): 536722542720
• Sum of proper divisors (its aliquot sum) s(n): 397750216500
• 138972326220 is an abundant number, because the sum of its proper divisors (397750216500) is greater than itself. Its abundance is 258777890280

Bases of 138972326220

• Binary: 10000001011011011001010110100101001100₂
• Hexadecimal: 0x205B65694C
• Base-36: 1RUCJ970

Squares and roots of 138972326220

• 138972326220 squared (138972326220²) is 19313307454998099488400
• 138972326220 cubed (138972326220³) is 2684015264023153851581939905848000
• The square root of 138972326220 is 372789.9223691541
• The cube root of 138972326220 is 5179.7576724093

Scales and comparisons

• 138,972,326,220 seconds is equal to 4,418 years, 46 weeks, 1 day, 23 hours, 57 minutes.
• To count from 1 to 138,972,326,220 would take you about eight thousand, eight hundred thirty-seven 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 138972326220 cubic inches would be around 431.6 feet tall.

Recreational maths with 138972326220

• 138972326220 backwards is 022623279831
• 138972326220 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138972326220's digits is 45
• More coming soon!