2139429180

Names of 2139429180

• Cardinal: 2139429180 can be written as Two billion, one hundred thirty-nine million, four hundred twenty-nine thousand, one hundred eighty.

Scientific notation

• Scientific notation: 2.13942918 × 10⁹

Factors of 2139429180

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1160

Divisors of 2139429180

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 29 30 35 42 46 49 58 60 69 70 84 87 92 98 105 115 116 138 140 145 147 161 174 196 203 210 230 245 276 290 294 322 345 348 406 420 435 460 483 490 580 588 609 644 667 690 735 805 812 870 966 980 1015 1091 1127 1218 1334 1380 1421 1470 1610 1740 1932 2001 2030 2182 2254 2415 2436 2668 2842 2940 3045 3220 3273 3335 3381 4002 4060 4263 4364 4508 4669 4830 5455 5635 5684 6090 6546 6670 6762 7105 7637 8004 8526 9338 9660 10005 10910 11270 12180 13092 13340 13524 14007 14210 15274 16365 16905 17052 18676 20010 21315 21820 22540 22911 23345 25093 28014 28420 30548 31639 32683 32730 33810 38185 40020 42630 45822 46690 50186 53459 56028 63278 65366 65460 67620 70035 75279 76370 85260 91644 93380 94917 98049 100372 106918 114555 125465 126556 130732 140070 150558 152740 158195 160377 163415 175651 189834 196098 213836 221473 229110 250930 267295 280140 301116 316390 320754 326830 351302 376395 379668 392196 442946 458220 474585 490245 501860 526953 534590 632780 641508 653660 664419 702604 727697 752790 801885 878255 885892 949170 980490 1053906 1069180 1107365 1229557 1328838 1455394 1505580 1550311 1603770 1756510 1898340 1960980 2107812 2183091 2214730 2459114 2634765 2657676 2910788 3100622 3207540 3322095 3513020 3638485 3688671 4366182 4429460 4650933 4918228 5093879 5269530 6147785 6201244 6644190 7276970 7377342 7751555 8732364 9301866 10187758 10539060 10915455 12295570 13288380 14553940 14754684 15281637 15503110 18443355 18603732 20375516 21830910 23254665 24591140 25469395 30563274 31006220 35657153 36886710 43661820 46509330 50938790 61126548 71314306 73773420 76408185 93018660 101877580 106971459 142628612 152816370 178285765 213942918 305632740 356571530 427885836 534857295 713143060 1069714590 2139429180
• Sum of all divisors σ(n): 7529034240
• Sum of proper divisors (its aliquot sum) s(n): 5389605060
• 2139429180 is an abundant number, because the sum of its proper divisors (5389605060) is greater than itself. Its abundance is 3250175880

Bases of 2139429180

• Binary: 1111111100001010001100100111100₂
• Hexadecimal: 0x7F85193C
• Base-36: ZDRE4C

Squares and roots of 2139429180

• 2139429180 squared (2139429180²) is 4577157216235472400
• 2139429180 cubed (2139429180³) is 9792503709861739403644632000
• The square root of 2139429180 is 46253.9639382399
• The cube root of 2139429180 is 1288.5441541313

Scales and comparisons

• 2,139,429,180 seconds is equal to 68 years, 1 week, 2 days, 21 hours, 53 minutes.
• To count from 1 to 2,139,429,180 would take you about one hundred thirty-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 2139429180 cubic inches would be around 107.4 feet tall.

Recreational maths with 2139429180

• 2139429180 backwards is 0819249312
• The number of decimal digits it has is: 10
• The sum of 2139429180's digits is 39
• More coming soon!