21073465440

Names of 21073465440

• Cardinal: 21073465440 can be written as Twenty-one billion, seventy-three million, four hundred sixty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.107346544 × 10¹⁰

Factors of 21073465440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 323

Divisors of 21073465440

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 37 38 40 45 48 54 57 60 72 74 76 80 81 90 95 96 108 111 114 120 135 144 148 152 160 162 171 180 185 190 216 222 228 240 243 257 270 285 288 296 304 324 333 342 360 370 380 405 432 444 456 480 486 513 514 540 555 570 592 608 648 666 684 703 720 729 740 760 771 810 855 864 888 912 972 999 1026 1028 1080 1110 1140 1184 1215 1285 1296 1332 1368 1406 1440 1458 1480 1520 1539 1542 1620 1665 1710 1776 1824 1944 1998 2052 2056 2109 2160 2220 2280 2313 2430 2565 2570 2592 2664 2736 2812 2916 2960 2997 3040 3078 3084 3240 3330 3420 3515 3552 3645 3855 3888 3996 4104 4112 4218 4320 4440 4560 4617 4626 4860 4883 4995 5130 5140 5328 5472 5624 5832 5920 5994 6156 6168 6327 6480 6660 6840 6939 7030 7290 7695 7710 7776 7992 8208 8224 8436 8880 8991 9120 9234 9252 9509 9720 9766 9990 10260 10280 10545 10656 11248 11565 11664 11988 12312 12336 12654 12960 13320 13680 13851 13878 14060 14580 14649 14985 15390 15420 15984 16416 16872 17760 17982 18468 18504 18981 19018 19440 19532 19980 20520 20560 20817 21090 22496 23085 23130 23328 23976 24415 24624 24672 25308 26640 26973 27360 27702 27756 28120 28527 29160 29298 29970 30780 30840 31635 31968 33744 34695 35964 36936 37008 37962 38036 38880 39064 39960 41040 41120 41634 42180 43947 44955 46170 46260 47545 47952 48830 49248 50616 53280 53946 55404 55512 56240 56943 57054 58320 58596 59940 61560 61680 62451 63270 67488 69255 69390 71928 73245 73872 74016 75924 76072 78128 79920 82080 83268 84360 85581 87894 89910 92340 92520 94905 95090 95904 97660 101232 104085 107892 110808 111024 112480 113886 114108 116640 117192 119880 123120 123360 124902 126540 131841 134865 138510 138780 142635 143856 146490 147744 151848 152144 156256 159840 166536 168720 170829 171162 175788 179820 180671 184680 185040 187353 189810 190180 195320 202464 208170 215784 219735 221616 222048 227772 228216 234384 239760 246240 249804 253080 256743 263682 269730 277020 277560 284715 285270 287712 292980 303696 304288 312255 333072 337440 341658 342324 351576 359640 361342 369360 370080 374706 379620 380360 390640 395523 416340 427905 431568 439470 443232 455544 456432 468768 479520 499608 506160 512487 513486 527364 539460 542013 554040 555120 569430 570540 585960 607392 624510 659205 666144 683316 684648 703152 719280 722684 738720 749412 759240 760720 770229 781280 791046 832680 854145 855810 863136 878940 903355 911088 912864 936765 999216 1012320 1024974 1026972 1054728 1078920 1084026 1108080 1110240 1138860 1141080 1171920 1186569 1249020 1283715 1318410 1366632 1369296 1406304 1438560 1445368 1498824 1518480 1521440 1540458 1582092 1626039 1665360 1708290 1711620 1757880 1806710 1822176 1873530 1977615 1998432 2049948 2053944 2109456 2157840 2168052 2216160 2277720 2282160 2310687 2343840 2373138 2498040 2562435 2567430 2636820 2710065 2733264 2738592 2890736 2997648 3036960 3080916 3164184 3252078 3330720 3416580 3423240 3515760 3559707 3613420 3747060 3851145 3955230 4099896 4107888 4218912 4315680 4336104 4555440 4564320 4621374 4746276 4878117 4996080 5124870 5134860 5273640 5420130 5466528 5781472 5932845 5995296 6161832 6328368 6504156 6833160 6846480 6932061 7031520 7119414 7226840 7494120 7702290 7910460 8130195 8199792 8215776 8672208 9110880 9242748 9492552 9756234 9992160 10249740 10269720 10547280 10840260 11553435 11865690 12323664 12656736 13008312 13666320 13692960 13864122 14238828 14453680 14634351 14988240 15404580 15820920 16260390 16399584 17344416 17798535 18485496 18985104 19512468 20499480 20539440 21094560 21680520 23106870 23731380 24390585 24647328 26016624 27332640 27728244 28477656 28907360 29268702 29976480 30809160 31641840 32520780 34660305 35597070 36970992 37970208 39024936 40998960 41078880 43361040 43903053 46213740 47462760 48781170 52033248 55456488 56955312 58537404 61618320 63283680 65041560 69320610 71194140 73171755 73941984 78049872 81997920 86722080 87806106 92427480 94925520 97562340 110912976 113910624 117074808 123236640 130083120 131709159 138641220 142388280 146343510 156099744 175612212 184854960 189851040 195124680 219515265 221825952 234149616 260166240 263418318 277282440 284776560 292687020 351224424 369709920 390249360 439030530 468299232 526836636 554564880 569553120 585374040 658545795 702448848 780498720 878061060 1053673272 1109129760 1170748080 1317091590 1404897696 1756122120 2107346544 2341496160 2634183180 3512244240 4214693088 5268366360 7024488480 10536732720 21073465440
• Sum of all divisors σ(n): 81011236320
• Sum of proper divisors (its aliquot sum) s(n): 59937770880
• 21073465440 is an abundant number, because the sum of its proper divisors (59937770880) is greater than itself. Its abundance is 38864305440

Bases of 21073465440

• Binary: 10011101000000100111001000001100000₂
• Hexadecimal: 0x4E8139060
• Base-36: 9OILI00

Squares and roots of 21073465440

• 21073465440 squared (21073465440²) is 444090945650874393600
• 21073465440 cubed (21073465440³) is 9358535195390619839310557184000
• The square root of 21073465440 is 145167.0260079745
• The cube root of 21073465440 is 2762.1376633893

Scales and comparisons

• 21,073,465,440 seconds is equal to 670 years, 3 weeks, 4 days, 20 hours, 24 minutes.
• To count from 1 to 21,073,465,440 would take you about one thousand, three hundred forty 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 21073465440 cubic inches would be around 230.2 feet tall.

Recreational maths with 21073465440

• 21073465440 backwards is 04456437012
• 21073465440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21073465440's digits is 36
• More coming soon!