138404870344

Names of 138404870344

• Cardinal: 138404870344 can be written as One hundred thirty-eight billion, four hundred four million, eight hundred seventy thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 1.38404870344 × 10¹¹

Factors of 138404870344

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 579

Divisors of 138404870344

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 13 26 29 52 53 58 73 104 106 116 146 212 232 292 377 409 424 584 689 754 818 841 949 1378 1508 1537 1636 1682 1898 2117 2756 3016 3074 3272 3364 3796 3869 4234 5317 5512 6148 6728 7592 7738 8468 10634 10933 11861 12296 15476 16936 19981 21268 21677 21866 23722 27521 29857 30952 39962 42536 43354 43732 44573 47444 50297 55042 59714 61393 79924 86708 87464 89146 94888 100594 110084 112201 119428 122786 154193 159848 173416 178292 201188 220168 224402 238856 245572 281801 308386 343969 356584 388141 402376 448804 491144 563602 579449 616772 628633 687938 776282 798109 865853 897608 1127204 1158898 1233544 1257266 1375876 1458613 1552564 1582421 1596218 1731706 2254408 2317796 2514532 2751752 2917226 3105128 3164842 3192436 3253829 3463412 4471597 4635592 5029064 5834452 6329684 6384872 6507658 6926824 8172229 8943194 11256089 11668904 12659368 13015316 16344458 17886388 18230357 20571473 22512178 25109737 26030632 32688916 35772776 36460714 41142946 42299777 45024356 45890209 50219474 65377832 72921428 82285892 84599554 90048712 91780418 100438948 145842856 164571784 169199108 183560836 200877896 236994641 326426581 338398216 367121672 473989282 596572717 652853162 947978564 1193145434 1305706324 1330816061 1895957128 2386290868 2611412648 2661632122 4772581736 5323264244 10646528488 17300608793 34601217586 69202435172 138404870344
• Sum of all divisors σ(n): 299672427600
• Sum of proper divisors (its aliquot sum) s(n): 161267557256
• 138404870344 is an abundant number, because the sum of its proper divisors (161267557256) is greater than itself. Its abundance is 22862686912

Bases of 138404870344

• Binary: 10000000111001100100101011100011001000₂
• Hexadecimal: 0x203992B8C8
• Base-36: 1RKYOPFS

Squares and roots of 138404870344

• 138404870344 squared (138404870344²) is 19155908134939450678336
• 138404870344 cubed (138404870344³) is 2651270981737869527425676929667584
• The square root of 138404870344 is 372028.0504800683
• The cube root of 138404870344 is 5172.6980088115

Scales and comparisons

• 138,404,870,344 seconds is equal to 4,400 years, 44 weeks, 5 hours, 19 minutes, 4 seconds.
• To count from 1 to 138,404,870,344 would take you about eight thousand, eight hundred one 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 138404870344 cubic inches would be around 431.1 feet tall.

Recreational maths with 138404870344

• 138404870344 backwards is 443078404831
• The number of decimal digits it has is: 12
• The sum of 138404870344's digits is 46
• More coming soon!