1389540984

Names of 1389540984

• Cardinal: 1389540984 can be written as One billion, three hundred eighty-nine million, five hundred forty thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.389540984 × 10⁹

Factors of 1389540984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 110

Divisors of 1389540984

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 19 24 26 38 39 52 57 73 76 78 104 114 146 152 156 169 219 228 247 292 312 338 361 438 456 494 507 584 676 722 741 876 949 988 1014 1083 1352 1387 1444 1482 1752 1898 1976 2028 2166 2197 2774 2847 2888 2964 3211 3796 4056 4161 4332 4394 4693 5548 5694 5928 6422 6591 7592 8322 8664 8788 9386 9633 11096 11388 12337 12844 13182 14079 16644 17576 18031 18772 19266 22776 24674 25688 26353 26364 28158 33288 36062 37011 37544 38532 41743 49348 52706 52728 54093 56316 61009 72124 74022 77064 79059 83486 98696 105412 108186 112632 122018 125229 144248 148044 158118 160381 166972 183027 210824 216372 234403 244036 250458 296088 316236 320762 333944 342589 366054 432744 468806 481143 488072 500916 632472 641524 685178 703209 732108 793117 937612 962286 1001832 1027767 1283048 1370356 1406418 1464216 1586234 1875224 1924572 2055534 2379351 2740712 2812836 3047239 3172468 3849144 4111068 4453657 4758702 5625672 6094478 6344936 8222136 8907314 9141717 9517404 12188956 13360971 17814628 18283434 19034808 24377912 26721942 35629256 36566868 53443884 57897541 73133736 106887768 115795082 173692623 231590164 347385246 463180328 694770492 1389540984
• Sum of all divisors σ(n): 4026103200
• Sum of proper divisors (its aliquot sum) s(n): 2636562216
• 1389540984 is an abundant number, because the sum of its proper divisors (2636562216) is greater than itself. Its abundance is 1247021232

Bases of 1389540984

• Binary: 1010010110100101011011001111000₂
• Hexadecimal: 0x52D2B678
• Base-36: MZAOOO

Squares and roots of 1389540984

• 1389540984 squared (1389540984²) is 1930824146215688256
• 1389540984 cubed (1389540984³) is 2682959284063507335479483904
• The square root of 1389540984 is 37276.5473723091
• The cube root of 1389540984 is 1115.8961697315

Scales and comparisons

• 1,389,540,984 seconds is equal to 44 years, 9 weeks, 3 days, 15 hours, 36 minutes, 24 seconds.
• To count from 1 to 1,389,540,984 would take you about eighty-eight 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 1389540984 cubic inches would be around 93 feet tall.

Recreational maths with 1389540984

• 1389540984 backwards is 4890459831
• The number of decimal digits it has is: 10
• The sum of 1389540984's digits is 51
• More coming soon!