13895438720

Names of 13895438720

• Cardinal: 13895438720 can be written as Thirteen billion, eight hundred ninety-five million, four hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.389543872 × 10¹⁰

Factors of 13895438720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 602

Divisors of 13895438720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 137 152 160 190 274 304 320 361 380 439 548 608 640 685 722 760 878 1096 1216 1370 1444 1520 1756 1805 2192 2195 2432 2603 2740 2888 3040 3512 3610 4384 4390 5206 5480 5776 6080 7024 7220 8341 8768 8780 10412 10960 11552 12160 13015 14048 14440 16682 17536 17560 20824 21920 23104 26030 28096 28880 33364 35120 41648 41705 43840 46208 49457 52060 56192 57760 60143 66728 70240 83296 83410 87680 98914 104120 115520 120286 133456 140480 158479 166592 166820 197828 208240 231040 240572 247285 266912 280960 300715 316958 333184 333640 395656 416480 481144 494570 533824 601430 633916 667280 791312 792395 832960 962288 989140 1067648 1142717 1202860 1267832 1334560 1582624 1584790 1665920 1924576 1978280 2285434 2405720 2535664 2669120 3165248 3169580 3849152 3956560 4570868 4811440 5071328 5338240 5713585 6330496 6339160 7698304 7913120 9141736 9622880 10142656 11427170 12678320 15826240 18283472 19245760 20285312 21711623 22854340 25356640 31652480 36566944 38491520 43423246 45708680 50713280 73133888 86846492 91417360 101426560 108558115 146267776 173692984 182834720 217116230 347385968 365669440 434232460 694771936 731338880 868464920 1389543872 1736929840 2779087744 3473859680 6947719360 13895438720
• Sum of all divisors σ(n): 35395509600
• Sum of proper divisors (its aliquot sum) s(n): 21500070880
• 13895438720 is an abundant number, because the sum of its proper divisors (21500070880) is greater than itself. Its abundance is 7604632160

Bases of 13895438720

• Binary: 1100111100001110111001000110000000₂
• Hexadecimal: 0x33C3B9180
• Base-36: 6DSZH4W

Squares and roots of 13895438720

• 13895438720 squared (13895438720²) is 193083217221275238400
• 13895438720 cubed (13895438720³) is 2682976012758678755440590848000
• The square root of 13895438720 is 117878.9155023069
• The cube root of 13895438720 is 2404.1270841075

Scales and comparisons

• 13,895,438,720 seconds is equal to 441 years, 43 weeks, 1 day, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 13,895,438,720 would take you about eight hundred eighty-three 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 13895438720 cubic inches would be around 200.3 feet tall.

Recreational maths with 13895438720

• 13895438720 backwards is 02783459831
• The number of decimal digits it has is: 11
• The sum of 13895438720's digits is 50
• More coming soon!