21246461940

Names of 21246461940

• Cardinal: 21246461940 can be written as Twenty-one billion, two hundred forty-six million, four hundred sixty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.124646194 × 10¹⁰

Factors of 21246461940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2268

Divisors of 21246461940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 31 33 44 55 60 62 66 93 110 124 132 155 165 186 220 310 330 341 372 465 620 660 673 682 930 1023 1346 1364 1543 1705 1860 2019 2046 2692 3086 3365 3410 4038 4092 4629 5115 6172 6730 6820 7403 7715 8076 9258 10095 10230 13460 14806 15430 16973 18516 20190 20460 20863 22209 23145 29612 30860 33946 37015 40380 41726 44418 46290 47833 50919 62589 67892 74030 83452 84865 88836 92580 95666 101838 104315 111045 125178 143499 148060 169730 191332 203676 208630 222090 229493 239165 250356 254595 286998 312945 339460 417260 444180 458986 478330 509190 526163 573996 625890 688479 717495 917972 956660 1018380 1038439 1052326 1147465 1251780 1376958 1434990 1578489 2076878 2104652 2294930 2630815 2753916 2869980 3115317 3156978 3442395 4153756 4589860 5192195 5261630 6230634 6313956 6884790 7892445 10384390 10523260 11422829 12461268 13769580 15576585 15784890 20768780 22845658 31153170 31569780 32191609 34268487 45691316 57114145 62306340 64383218 68536974 96574827 114228290 128766436 137073948 160958045 171342435 193149654 228456580 321916090 342684870 354107699 386299308 482874135 643832180 685369740 708215398 965748270 1062323097 1416430796 1770538495 1931496540 2124646194 3541076990 4249292388 5311615485 7082153980 10623230970 21246461940
• Sum of all divisors σ(n): 67134799872
• Sum of proper divisors (its aliquot sum) s(n): 45888337932
• 21246461940 is an abundant number, because the sum of its proper divisors (45888337932) is greater than itself. Its abundance is 24641875992

Bases of 21246461940

• Binary: 10011110010011000110100011111110100₂
• Hexadecimal: 0x4F26347F4
• Base-36: 9RDLEYC

Squares and roots of 21246461940

• 21246461940 squared (21246461940²) is 451412144967868563600
• 21246461940 cubed (21246461940³) is 9590910957313581959449869384000
• The square root of 21246461940 is 145761.6614202789
• The cube root of 21246461940 is 2769.6753971525

Scales and comparisons

• 21,246,461,940 seconds is equal to 675 years, 29 weeks, 5 days, 2 hours, 59 minutes.
• To count from 1 to 21,246,461,940 would take you about one thousand, three hundred fifty-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 21246461940 cubic inches would be around 230.8 feet tall.

Recreational maths with 21246461940

• 21246461940 backwards is 04916464212
• The number of decimal digits it has is: 11
• The sum of 21246461940's digits is 39
• More coming soon!