21448569520

Names of 21448569520

• Cardinal: 21448569520 can be written as Twenty-one billion, four hundred forty-eight million, five hundred sixty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.144856952 × 10¹⁰

Factors of 21448569520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 129

Divisors of 21448569520

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 19 20 28 34 35 38 40 56 68 70 76 79 80 85 95 112 119 133 136 140 152 158 170 190 238 266 272 280 304 316 323 340 361 380 395 476 532 553 560 595 632 646 665 680 722 760 790 952 1064 1106 1190 1264 1292 1330 1343 1360 1444 1501 1520 1580 1615 1805 1904 2128 2212 2261 2380 2527 2584 2660 2686 2765 2888 3002 3160 3230 3610 4424 4522 4760 5054 5168 5320 5372 5530 5776 6004 6137 6241 6320 6460 6715 7220 7505 8848 9044 9401 9520 10108 10507 10640 10744 11060 11305 12008 12274 12482 12635 12920 13430 14440 15010 18088 18802 20216 21014 21488 22120 22610 24016 24548 24964 25270 25517 25840 26860 28519 28880 30020 30685 31205 36176 37604 40432 42028 42959 43687 44240 45220 47005 49096 49928 50540 51034 52535 53720 57038 60040 61370 62410 75208 84056 85918 87374 90440 94010 98192 99856 101080 102068 105070 106097 107440 114076 118579 120080 122740 124820 127585 142595 150416 168112 171836 174748 178619 180880 188020 199633 202160 204136 210140 212194 214795 218435 228152 237158 245480 249640 255170 285190 343672 349496 357238 376040 399266 408272 420280 424388 429590 436870 456304 474316 484823 490960 499280 510340 530485 570380 592895 687344 698992 714476 742679 752080 798532 830053 840560 848776 859180 873740 893095 948632 969646 998165 1020680 1060970 1140760 1185790 1428952 1485358 1597064 1660106 1697552 1718360 1747480 1786190 1897264 1939292 1996330 2015843 2041360 2121940 2253001 2281520 2371580 2424115 2857904 2970716 3194128 3320212 3393761 3436720 3494960 3572380 3713395 3878584 3992660 4031686 4150265 4243880 4506002 4743160 4848230 5941432 6640424 6787522 7144760 7426790 7757168 7985320 8063372 8300530 8487760 9012004 9486320 9696460 10079215 11265005 11882864 13280848 13575044 14110901 14289520 14853580 15771007 15970640 16126744 16601060 16968805 18024008 19392920 20158430 22530010 27150088 28221802 29707160 31542014 32253488 33202120 33937610 36048016 38301017 38785840 40316860 45060020 54300176 56443604 59414320 63084028 66404240 67875220 70554505 76602034 78855035 80633720 90120040 112887208 126168056 135750440 141109010 153204068 157710070 161267440 180240080 191505085 225774416 252336112 268107119 271500880 282218020 306408136 315420140 383010170 536214238 564436040 612816272 630840280 766020340 1072428476 1128872080 1261680560 1340535595 1532040680 2144856952 2681071190 3064081360 4289713904 5362142380 10724284760 21448569520
• Sum of all divisors σ(n): 64503933984
• Sum of proper divisors (its aliquot sum) s(n): 43055364464
• 21448569520 is an abundant number, because the sum of its proper divisors (43055364464) is greater than itself. Its abundance is 21606794944

Bases of 21448569520

• Binary: 10011111110011011110011001010110000₂
• Hexadecimal: 0x4FE6F32B0
• Base-36: 9UPXA5S

Squares and roots of 21448569520

• 21448569520 squared (21448569520²) is 460041134454273030400
• 21448569520 cubed (21448569520³) is 9867224254402142353595473408000
• The square root of 21448569520 is 146453.3014991467
• The cube root of 21448569520 is 2778.4299020081

Scales and comparisons

• 21,448,569,520 seconds is equal to 681 years, 51 weeks, 6 days, 7 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,448,569,520 would take you about one thousand, three hundred sixty-three 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 21448569520 cubic inches would be around 231.5 feet tall.

Recreational maths with 21448569520

• 21448569520 backwards is 02596584412
• The number of decimal digits it has is: 11
• The sum of 21448569520's digits is 46
• More coming soon!