21049419040

Names of 21049419040

• Cardinal: 21049419040 can be written as Twenty-one billion, forty-nine million, four hundred nineteen thousand and forty.

Scientific notation

• Scientific notation: 2.104941904 × 10¹⁰

Factors of 21049419040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 153

Divisors of 21049419040

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 19 20 26 32 34 38 40 52 65 68 76 80 85 95 97 104 130 136 152 160 170 190 194 208 221 247 260 272 289 304 323 340 361 380 388 416 442 485 494 520 544 578 608 646 680 722 760 776 884 970 988 1040 1105 1156 1235 1261 1292 1360 1444 1445 1520 1552 1615 1649 1768 1805 1843 1940 1976 2080 2210 2312 2470 2522 2584 2720 2888 2890 3040 3104 3230 3298 3536 3610 3686 3757 3880 3952 4199 4420 4624 4693 4940 5044 5168 5491 5776 5780 6137 6305 6460 6596 7072 7220 7372 7514 7760 7904 8245 8398 8840 9215 9248 9386 9880 10088 10336 10982 11552 11560 12274 12610 12920 13192 14440 14744 15028 15520 16490 16796 17680 18430 18772 18785 19760 20176 20995 21437 21964 23120 23465 23959 24548 25220 25840 26384 27455 28033 28880 29488 30056 30685 31331 32980 33592 35017 35360 36860 37544 37570 39520 40352 41990 42874 43928 46240 46930 47918 49096 50440 51680 52768 54910 56066 57760 58976 60112 61370 62662 65960 67184 70034 71383 73720 75088 75140 79781 83980 85748 87856 93860 95836 98192 100880 104329 107185 109820 112132 119795 120224 122740 125324 131920 134368 140068 140165 142766 147440 150176 150280 156655 159562 167960 171496 175085 175712 187720 191672 196384 201760 208658 214370 219640 224264 239590 245480 250648 263840 280136 280330 285532 294880 300560 313310 319124 335920 342992 350170 356915 364429 375440 383344 398905 407303 417316 428740 439280 448528 455221 479180 490960 501296 521645 532627 560272 560660 571064 595289 601120 626620 638248 671840 685984 700340 713830 728858 750880 766688 797810 814606 834632 857480 878560 897056 910442 958360 981920 1002592 1043290 1065254 1120544 1121320 1142128 1190578 1253240 1276496 1356277 1400680 1427660 1457716 1595620 1629212 1669264 1714960 1820884 1822145 1916720 2036515 2086580 2130508 2242640 2276105 2284256 2381156 2506480 2552992 2663135 2712554 2801360 2855320 2915432 2976445 3191240 3258424 3338528 3429920 3641768 3644290 3833440 4073030 4173160 4261016 4485280 4552210 4762312 5012960 5326270 5425108 5602720 5710640 5830864 5952890 6382480 6516848 6781385 6924151 7283536 7288580 7738757 8146060 8346320 8522032 9104420 9524624 10119913 10652540 10850216 11421280 11661728 11905780 12764960 13033696 13562770 13848302 14567072 14577160 15477514 16292120 16692640 17044064 18208840 19049248 20239826 21305080 21700432 23811560 27125540 27696604 29154320 30955028 32584240 34620755 36417680 38693785 40479652 42610160 43400864 47623120 50599565 54251080 55393208 58308640 61910056 65168480 69241510 72835360 77387570 80959304 85220320 95246240 101199130 108502160 110786416 123820112 131558869 138483020 154775140 161918608 202398260 217004320 221572832 247640224 263117738 276966040 309550280 323837216 404796520 526235476 553932080 619100560 657794345 809593040 1052470952 1107864160 1238201120 1315588690 1619186080 2104941904 2631177380 4209883808 5262354760 10524709520 21049419040
• Sum of all divisors σ(n): 60660957672
• Sum of proper divisors (its aliquot sum) s(n): 39611538632
• 21049419040 is an abundant number, because the sum of its proper divisors (39611538632) is greater than itself. Its abundance is 18562119592

Bases of 21049419040

• Binary: 10011100110101001001010010100100000₂
• Hexadecimal: 0x4E6A4A520
• Base-36: 9O4A3OG

Squares and roots of 21049419040

• 21049419040 squared (21049419040²) is 443078041921514521600
• 21049419040 cubed (21049419040³) is 9326535371828645956603531264000
• The square root of 21049419040 is 145084.1791512775
• The cube root of 21049419040 is 2761.0866616527

Scales and comparisons

• 21,049,419,040 seconds is equal to 669 years, 15 weeks, 6 days, 12 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,049,419,040 would take you about one thousand, three hundred thirty-eight 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 21049419040 cubic inches would be around 230.1 feet tall.

Recreational maths with 21049419040

• 21049419040 backwards is 04091494012
• 21049419040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21049419040's digits is 34
• More coming soon!