1388641770090

Names of 1388641770090

• Cardinal: 1388641770090 can be written as One trillion, three hundred eighty-eight billion, six hundred forty-one million, seven hundred seventy thousand and ninety.

Scientific notation

• Scientific notation: 1.38864177009 × 10¹²

Factors of 1388641770090

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1400

Divisors of 1388641770090

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 71 90 135 142 213 257 270 355 426 514 521 541 639 710 771 1042 1065 1082 1278 1285 1542 1563 1623 1917 2130 2313 2570 2605 2705 3126 3195 3246 3834 3855 4626 4689 4869 5210 5410 6390 6939 7710 7815 8115 9378 9585 9738 11565 13878 14067 14607 15630 16230 18247 19170 23130 23445 24345 28134 29214 34695 36494 36991 38411 46890 48690 54741 69390 70335 73035 73982 76822 91235 109482 110973 115233 133897 139037 140670 146070 164223 182470 184955 192055 221946 230466 267794 273705 278074 281861 328446 332919 345699 369910 384110 401691 417111 492669 547410 554865 563722 576165 665838 669485 691398 695185 803382 821115 834222 845583 985338 998757 1037097 1109730 1152330 1205073 1251333 1338970 1390370 1409305 1642230 1664595 1691166 1728495 1997514 2008455 2074194 2085555 2410146 2463345 2502666 2536749 2818610 3329190 3456990 3615219 3753999 4016910 4171110 4227915 4926690 4993785 5073498 5185485 6025365 6256665 7230438 7507998 7610247 8455830 9506687 9871627 9987570 10370970 12050730 12513330 12683745 15220494 18076095 18769995 19013374 19743254 20012131 25367490 28520061 29614881 36152190 37539990 38051235 40024262 47533435 49358135 57040122 59229762 60036393 72438277 76102470 85560183 88844643 95066870 98716270 100060655 120072786 142600305 144876554 148074405 171120366 177689286 180109179 200121310 217314831 256680549 266533929 285200610 296148810 300181965 360218358 362191385 427800915 434629662 444223215 513361098 533067858 540327537 600363930 651944493 724382770 855601830 888446430 900545895 1080655074 1086574155 1283402745 1303888986 1332669645 1801091790 1955833479 2173148310 2566805490 2665339290 2701637685 3259722465 3911666958 5143117667 5403275370 6519444930 9779167395 10286235334 15429353001 19558334790 25715588335 30858706002 46288059003 51431176670 77146765005 92576118006 138864177009 154293530010 231440295015 277728354018 462880590030 694320885045 1388641770090
• Sum of all divisors σ(n): 3784029281280
• Sum of proper divisors (its aliquot sum) s(n): 2395387511190
• 1388641770090 is an abundant number, because the sum of its proper divisors (2395387511190) is greater than itself. Its abundance is 1006745741100

Bases of 1388641770090

• Binary: 10100001101010001011111111101101001101010₂
• Hexadecimal: 0x143517FDA6A
• Base-36: HPXLGFAI

Squares and roots of 1388641770090

• 1388641770090 squared (1388641770090²) is 1928325965638688418608100
• 1388641770090 cubed (1388641770090³) is 2677753982235016803001934878011729000
• The square root of 1388641770090 is 1178406.4536865029
• The cube root of 1388641770090 is 11156.5540775871

Scales and comparisons

• 1,388,641,770,090 seconds is equal to 44,154 years, 26 weeks, 4 days, 17 hours, 1 minute, 30 seconds.
• To count from 1 to 1,388,641,770,090 would take you about one hundred ten thousand, three hundred eighty-six 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 1388641770090 cubic inches would be around 929.7 feet tall.

Recreational maths with 1388641770090

• 1388641770090 backwards is 0900771468831
• 1388641770090 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1388641770090's digits is 54
• More coming soon!