21239434160

Names of 21239434160

• Cardinal: 21239434160 can be written as Twenty-one billion, two hundred thirty-nine million, four hundred thirty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.123943416 × 10¹⁰

Factors of 21239434160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 169

Divisors of 21239434160

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 49 56 67 68 70 71 80 85 98 112 119 134 136 140 142 170 196 238 245 268 272 280 284 335 340 355 392 469 476 490 497 536 560 568 595 670 680 710 784 833 938 952 980 994 1072 1136 1139 1190 1207 1340 1360 1420 1666 1876 1904 1960 1988 2278 2345 2380 2414 2485 2680 2840 3283 3332 3479 3752 3920 3976 4165 4489 4556 4690 4757 4760 4828 4970 5360 5680 5695 6035 6566 6664 6958 7504 7952 7973 8330 8449 8978 9112 9380 9514 9520 9656 9940 11390 12070 13132 13328 13916 15946 16415 16660 16898 17395 17956 18224 18760 19028 19312 19880 22445 22780 23785 24140 26264 27832 31423 31892 32830 33299 33320 33796 34790 35912 37520 38056 39760 39865 42245 44890 45560 47570 48280 52528 55664 55811 59143 62846 63784 65660 66598 66640 67592 69580 71824 76112 76313 79730 80869 84490 89780 91120 95140 96560 111622 118286 125692 127568 131320 133196 135184 139160 152626 157115 159460 161738 166495 168980 179560 190280 219961 223244 233093 236572 251384 262640 266392 278320 279055 295715 305252 314230 318719 318920 323476 332990 337960 359120 380560 381565 404345 439922 446488 466186 473144 502768 532784 534191 558110 566083 591430 610504 628460 637438 637840 646952 665980 675920 763130 808690 879844 892976 932372 946288 1068382 1099805 1116220 1132166 1165465 1182860 1221008 1256920 1274876 1293904 1331960 1526260 1593595 1617380 1759688 1864744 2136764 2199610 2231033 2232440 2264332 2330930 2365720 2513840 2549752 2663920 2670955 2830415 3052520 3187190 3234760 3519376 3729488 3739337 3962581 4273528 4399220 4462066 4464880 4528664 4661860 4731440 5099504 5341910 5418223 5660830 6105040 6374380 6469520 7478674 7925162 8547056 8798440 8924132 9057328 9323720 10683820 10836446 11155165 11321660 12748760 14957348 15617231 15850324 17596880 17848264 18647440 18696685 19812905 21367640 21672892 22310330 22643320 25497520 27091115 29914696 31234462 31700648 35696528 37393370 37927561 39625810 42735280 43345784 44620660 45286640 54182230 59829392 62468924 63401296 74786740 75855122 78086155 79251620 86691568 89241320 108364460 124937848 149573480 151710244 156172310 158503240 178482640 189637805 216728920 249875696 265492927 299146960 303420488 312344620 317006480 379275610 433457840 530985854 606840976 624689240 758551220 1061971708 1249378480 1327464635 1517102440 2123943416 2654929270 3034204880 4247886832 5309858540 10619717080 21239434160
• Sum of all divisors σ(n): 62614054944
• Sum of proper divisors (its aliquot sum) s(n): 41374620784
• 21239434160 is an abundant number, because the sum of its proper divisors (41374620784) is greater than itself. Its abundance is 20135186624

Bases of 21239434160

• Binary: 10011110001111110000000101110110000₂
• Hexadecimal: 0x4F1F80BB0
• Base-36: 9R9ESA8

Squares and roots of 21239434160

• 21239434160 squared (21239434160²) is 451113563436974905600
• 21239434160 cubed (21239434160³) is 9581396829302611817063415296000
• The square root of 21239434160 is 145737.5523329521
• The cube root of 21239434160 is 2769.3699844843

Scales and comparisons

• 21,239,434,160 seconds is equal to 675 years, 18 weeks, 18 hours, 49 minutes, 20 seconds.
• To count from 1 to 21,239,434,160 would take you about one thousand, three hundred fifty 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 21239434160 cubic inches would be around 230.8 feet tall.

Recreational maths with 21239434160

• 21239434160 backwards is 06143493212
• 21239434160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21239434160's digits is 35
• More coming soon!