138439218268160

Names of 138439218268160

• Cardinal: 138439218268160 can be written as One hundred thirty-eight trillion, four hundred thirty-nine billion, two hundred eighteen million, two hundred sixty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.3843921826816 × 10¹⁴

Factors of 138439218268160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 59037157

Divisors of 138439218268160

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 229 256 320 458 512 640 916 1024 1145 1280 1832 2048 2290 2560 3664 4580 5120 7328 9160 10240 14656 18320 29312 36640 58624 73280 117248 146560 234496 293120 468992 586240 1172480 2344960 59036921 118073842 236147684 295184605 472295368 590369210 944590736 1180738420 1889181472 2361476840 3778362944 4722953680 7556725888 9445907360 13519454909 15113451776 18891814720 27038909818 30226903552 37783629440 54077819636 60453807104 67597274545 75567258880 108155639272 120907614208 135194549090 151134517760 216311278544 270389098180 302269035520 432622557088 540778196360 604538071040 865245114176 1081556392720 1730490228352 2163112785440 3460980456704 4326225570880 6921960913408 8652451141760 13843921826816 17304902283520 27687843653632 34609804567040 69219609134080 138439218268160
• Sum of all divisors σ(n): 333623549914200
• Sum of proper divisors (its aliquot sum) s(n): 195184331646040
• 138439218268160 is an abundant number, because the sum of its proper divisors (195184331646040) is greater than itself. Its abundance is 56745113377880

Bases of 138439218268160

• Binary: 11111011110100011100100011011011000100000000000₂
• Hexadecimal: 0x7DE8E46D8800
• Base-36: 1D2M3K5U68

Squares and roots of 138439218268160

• 138439218268160 squared (138439218268160²) is 19165417154699245469669785600
• 138439218268160 cubed (138439218268160³) is 2653245368679746832215277501838310506496000
• The square root of 138439218268160 is 11766019.6442195353
• The cube root of 138439218268160 is 51731.2587608463

Scales and comparisons

• 138,439,218,268,160 seconds is equal to 4,401,938 years, 47 weeks, 5 days, 23 hours, 49 minutes, 20 seconds.
• To count from 1 to 138,439,218,268,160 would take you about eleven million, four thousand, eight hundred forty-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 138439218268160 cubic inches would be around 4310.9 feet tall.

Recreational maths with 138439218268160

• 138439218268160 backwards is 061862812934831
• The number of decimal digits it has is: 15
• The sum of 138439218268160's digits is 62
• More coming soon!