1388738608128

Names of 1388738608128

• Cardinal: 1388738608128 can be written as One trillion, three hundred eighty-eight billion, seven hundred thirty-eight million, six hundred eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.388738608128 × 10¹²

Factors of 1388738608128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1860348

Divisors of 1388738608128

• Number of divisors d(n): 154
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 729 768 864 972 1024 1152 1296 1458 1536 1728 1944 2304 2592 2916 3072 3456 3888 4608 5184 5832 6912 7776 9216 10368 11664 13824 15552 20736 23328 27648 31104 41472 46656 62208 82944 93312 124416 186624 248832 373248 746496 1860343 3720686 5581029 7441372 11162058 14882744 16743087 22324116 29765488 33486174 44648232 50229261 59530976 66972348 89296464 100458522 119061952 133944696 150687783 178592928 200917044 238123904 267889392 301375566 357185856 401834088 452063349 476247808 535778784 602751132 714371712 803668176 904126698 952495616 1071557568 1205502264 1356190047 1428743424 1607336352 1808253396 1904991232 2143115136 2411004528 2712380094 2857486848 3214672704 3616506792 4286230272 4822009056 5424760188 5714973696 6429345408 7233013584 8572460544 9644018112 10849520376 12858690816 14466027168 17144921088 19288036224 21699040752 25717381632 28932054336 38576072448 43398081504 51434763264 57864108672 77152144896 86796163008 115728217344 154304289792 173592326016 231456434688 347184652032 462912869376 694369304064 1388738608128
• Sum of all divisors σ(n): 4162279715624
• Sum of proper divisors (its aliquot sum) s(n): 2773541107496
• 1388738608128 is an abundant number, because the sum of its proper divisors (2773541107496) is greater than itself. Its abundance is 1384802499368

Bases of 1388738608128

• Binary: 10100001101010111010001010111110000000000₂
• Hexadecimal: 0x14357457C00
• Base-36: HPZ74000

Squares and roots of 1388738608128

• 1388738608128 squared (1388738608128²) is 1928594921705294747664384
• 1388738608128 cubed (1388738608128³) is 2678314227211740164079425615038513152
• The square root of 1388738608128 is 1178447.5415257145
• The cube root of 1388738608128 is 11156.8134086157

Scales and comparisons

• 1,388,738,608,128 seconds is equal to 44,157 years, 30 weeks, 5 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,388,738,608,128 would take you about one hundred ten thousand, three hundred ninety-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 1388738608128 cubic inches would be around 929.7 feet tall.

Recreational maths with 1388738608128

• 1388738608128 backwards is 8218068378831
• The number of decimal digits it has is: 13
• The sum of 1388738608128's digits is 63
• More coming soon!