1128717990

Names of 1128717990

• Cardinal: 1128717990 can be written as One billion, one hundred twenty-eight million, seven hundred seventeen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.12871799 × 10⁹

Factors of 1128717990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 339

Divisors of 1128717990

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 27 29 30 38 45 54 57 58 81 87 90 95 114 135 145 162 171 174 190 243 261 270 281 285 290 342 405 435 486 513 522 551 562 570 729 783 810 843 855 870 1026 1102 1215 1305 1405 1458 1539 1566 1653 1686 1710 2349 2430 2529 2565 2610 2755 2810 3078 3306 3645 3915 4215 4617 4698 4959 5058 5130 5339 5510 7047 7290 7587 7695 7830 8149 8265 8430 9234 9918 10678 11745 12645 13851 14094 14877 15174 15390 16017 16298 16530 21141 22761 23085 23490 24447 24795 25290 26695 27702 29754 32034 35235 37935 40745 42282 44631 45522 46170 48051 48894 49590 53390 68283 69255 70470 73341 74385 75870 80085 81490 89262 96102 105705 113805 122235 133893 136566 138510 144153 146682 148770 154831 160170 204849 211410 220023 223155 227610 240255 244470 267786 288306 309662 341415 366705 401679 409698 432459 440046 446310 464493 480510 660069 669465 682830 720765 733410 774155 803358 864918 928986 1024245 1100115 1297377 1320138 1338930 1393479 1441530 1548310 1980207 2008395 2048490 2162295 2200230 2322465 2594754 2786958 3300345 3892131 3960414 4016790 4180437 4324590 4644930 5940621 6486885 6600690 6967395 7784262 8360874 9901035 11881242 12541311 12973770 13934790 19460655 19802070 20902185 25082622 29703105 37623933 38921310 41804370 59406210 62706555 75247866 112871799 125413110 188119665 225743598 376239330 564358995 1128717990
• Sum of all divisors σ(n): 3328840800
• Sum of proper divisors (its aliquot sum) s(n): 2200122810
• 1128717990 is an abundant number, because the sum of its proper divisors (2200122810) is greater than itself. Its abundance is 1071404820

Bases of 1128717990

• Binary: 1000011010001101101111010100110₂
• Hexadecimal: 0x4346DEA6
• Base-36: IO0CDI

Squares and roots of 1128717990

• 1128717990 squared (1128717990²) is 1274004300949640100
• 1128717990 cubed (1128717990³) is 1437991573819232864895399000
• The square root of 1128717990 is 33596.3984676929
• The cube root of 1128717990 is 1041.1863895671

Scales and comparisons

• 1,128,717,990 seconds is equal to 35 years, 46 weeks, 1 day, 20 hours, 46 minutes, 30 seconds.
• To count from 1 to 1,128,717,990 would take you about seventy-one 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 1128717990 cubic inches would be around 86.8 feet tall.

Recreational maths with 1128717990

• 1128717990 backwards is 0997178211
• 1128717990 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1128717990's digits is 45
• More coming soon!