20439094390

Names of 20439094390

• Cardinal: 20439094390 can be written as Twenty billion, four hundred thirty-nine million, ninety-four thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.043909439 × 10¹⁰

Factors of 20439094390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 204

Divisors of 20439094390

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 10 11 13 17 19 22 26 34 38 55 65 85 95 110 130 137 143 170 187 190 209 221 247 274 286 289 323 361 374 418 442 494 578 646 685 715 722 935 1045 1105 1235 1370 1430 1445 1507 1615 1781 1805 1870 2090 2210 2329 2431 2470 2603 2717 2890 3014 3179 3230 3553 3562 3610 3757 3971 4199 4658 4693 4862 5206 5434 5491 6137 6358 7106 7514 7535 7942 8398 8905 9386 10982 11645 12155 12274 13015 13585 15070 15895 17765 17810 18785 19591 19855 20995 23290 23465 24310 25619 26030 27170 27455 28633 30277 30685 31790 33839 35530 37570 39182 39593 39710 41327 41990 44251 46189 46930 49457 51238 51623 54910 57266 60401 60554 61370 67507 67678 71383 79186 79781 82654 88502 92378 97955 98914 103246 104329 120802 128095 135014 142766 143165 151385 159562 169195 195910 197965 206635 208658 221255 230945 247285 256190 258115 286330 302005 302770 333047 337535 338390 356915 372229 395930 398905 413270 435523 442510 461890 486761 494570 514709 516230 521645 544027 575263 604010 642941 666094 675070 713830 744458 752267 785213 797810 840769 871046 877591 973522 1029418 1043290 1088054 1147619 1150526 1285882 1356277 1504534 1570426 1665235 1681538 1755182 1861145 2177615 2295238 2433805 2573545 2712554 2720135 2876315 3214705 3330470 3722290 3761335 3926065 4203845 4355230 4387955 4867610 5147090 5440270 5661799 5738095 5752630 6327893 6429410 6781385 7072351 7522670 7852130 8274937 8407690 8775910 9248459 9779471 10929997 11323598 11476190 12655786 13562770 14144702 14293073 14919047 16549874 18496918 19558942 21859994 28308995 28586146 29838094 31639465 35361755 41374685 46242295 48897355 54649985 56617990 63278930 70723510 71465365 74595235 82749370 92484590 97794710 107574181 109299970 120229967 142930730 149190470 157223803 185809949 215148362 240459934 314447606 371619898 537870905 601149835 786119015 929049745 1075741810 1202299670 1572238030 1858099490 2043909439 4087818878 10219547195 20439094390
• Sum of all divisors σ(n): 48811732704
• Sum of proper divisors (its aliquot sum) s(n): 28372638314
• 20439094390 is an abundant number, because the sum of its proper divisors (28372638314) is greater than itself. Its abundance is 7933543924

Bases of 20439094390

• Binary: 10011000010010000111101010001110110₂
• Hexadecimal: 0x4C243D476
• Base-36: 9E0WQ5Y

Squares and roots of 20439094390

• 20439094390 squared (20439094390²) is 417756579483329472100
• 20439094390 cubed (20439094390³) is 8538566160103308511720771519000
• The square root of 20439094390 is 142965.3608046369
• The cube root of 20439094390 is 2734.1387482571

Scales and comparisons

• 20,439,094,390 seconds is equal to 649 years, 46 weeks, 5 days, 14 hours, 13 minutes, 10 seconds.
• To count from 1 to 20,439,094,390 would take you about one thousand, two hundred ninety-nine 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 20439094390 cubic inches would be around 227.8 feet tall.

Recreational maths with 20439094390

• 20439094390 backwards is 09349093402
• The number of decimal digits it has is: 11
• The sum of 20439094390's digits is 43
• More coming soon!