21957521040

Names of 21957521040

• Cardinal: 21957521040 can be written as Twenty-one billion, nine hundred fifty-seven million, five hundred twenty-one thousand and forty.

Scientific notation

• Scientific notation: 2.195752104 × 10¹⁰

Factors of 21957521040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 691

Divisors of 21957521040

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 104 105 108 112 117 120 126 130 135 140 144 156 168 169 180 182 189 195 208 210 216 234 240 252 260 270 273 280 312 315 336 338 351 360 364 378 390 420 432 455 468 504 507 520 540 546 560 585 624 630 661 676 702 720 728 756 780 819 840 845 910 936 945 1008 1014 1040 1080 1092 1170 1183 1260 1322 1352 1365 1404 1456 1512 1521 1560 1638 1680 1690 1755 1820 1872 1890 1983 2028 2160 2184 2197 2340 2366 2457 2520 2535 2644 2704 2730 2808 3024 3042 3120 3276 3305 3380 3510 3549 3640 3780 3966 4056 4095 4368 4394 4563 4627 4680 4732 4914 5040 5070 5288 5460 5616 5915 5949 6084 6552 6591 6610 6760 7020 7098 7280 7560 7605 7932 8112 8190 8593 8788 9126 9254 9360 9464 9828 9915 10140 10576 10647 10920 10985 11830 11898 12168 12285 13104 13182 13220 13520 13881 14040 14196 15120 15210 15379 15864 16380 17186 17576 17745 17847 18252 18508 18928 19656 19773 19830 20280 21294 21840 21970 22815 23135 23660 23796 24336 24570 25779 26364 26440 27762 28080 28392 29745 30420 30758 31728 31941 32760 32955 34372 35152 35490 35694 36504 37016 39312 39546 39660 40560 41643 42588 42965 43940 45630 46137 46270 47320 47592 49140 51558 52728 52880 53235 55524 56784 59319 59490 60151 60840 61516 63882 65520 65910 68744 69405 70980 71388 73008 74032 76895 77337 79092 79320 83286 85176 85930 87880 89235 91260 92274 92540 94640 95184 98280 98865 103116 105456 106470 111048 111709 118638 118980 120302 121680 123032 124929 127764 128895 131820 137488 138411 138810 141960 142776 153790 154674 158184 158640 159705 166572 170352 171860 175760 178470 180453 182520 184548 185080 196560 197730 206232 208215 212940 222096 223418 230685 232011 237276 237960 240604 246064 249858 255528 257790 263640 276822 277620 283920 285552 296595 300755 307580 309348 316368 319410 333144 335127 343720 356940 360906 365040 369096 370160 386685 395460 412464 415233 416430 425880 446836 461370 464022 474552 475920 481208 499716 511056 515580 527280 541359 553644 555240 558545 593190 601510 615160 618696 624645 638820 666288 670254 687440 692055 713880 721812 738192 773370 781963 790920 830466 832860 851760 893672 902265 922740 928044 949104 962416 999432 1005381 1031160 1082718 1107288 1110480 1117090 1160055 1186380 1203020 1230320 1237392 1249290 1277640 1340508 1384110 1427760 1443624 1452217 1546740 1563926 1581840 1624077 1660932 1665720 1675635 1787344 1804530 1845480 1856088 1998864 2010762 2062320 2076165 2165436 2214576 2234180 2320110 2345889 2372760 2406040 2498580 2555280 2681016 2706795 2768220 2887248 2904434 3016143 3093480 3127852 3248154 3321864 3331440 3351270 3609060 3690960 3712176 3909815 4021524 4152330 4330872 4356651 4468360 4640220 4691778 4745520 4812080 4997160 5026905 5362032 5413590 5536440 5808868 6032286 6186960 6255704 6496308 6643728 6702540 7037667 7218120 7261085 7819630 8043048 8120385 8304660 8661744 8713302 8936720 9280440 9383556 9994320 10053810 10165519 10827180 11072880 11617736 11729445 12064572 12511408 12992616 13069953 13405080 14075334 14436240 14522170 15080715 15639260 16086096 16240770 16609320 17426604 18560880 18767112 20107620 20331038 21113001 21654360 21783255 23235472 23458890 24129144 25985232 26139906 26810160 28150668 29044340 30161430 30496557 31278520 32481540 33218640 34853208 35188335 37534224 39209859 40215240 40662076 42226002 43308720 43566510 46917780 48258288 50827595 52279812 56301336 58088680 60322860 60993114 62557040 64963080 65349765 69706416 70376670 78419718 80430480 81324152 84452004 87133020 91489671 93835560 101655190 104559624 105565005 112602672 116177360 120645720 121986228 129926160 130699530 140753340 152482785 156839436 162648304 168904008 174266040 182979342 187671120 196049295 203310380 209119248 211130010 241291440 243972456 261399060 274469013 281506680 304965570 313678872 337808016 348532080 365958684 392098590 406620760 422260020 457448355 487944912 522798120 548938026 563013360 609931140 627357744 731917368 784197180 813241520 844520040 914896710 1045596240 1097876052 1219862280 1372345065 1463834736 1568394360 1689040080 1829793420 2195752104 2439724560 2744690130 3136788720 3659586840 4391504208 5489380260 7319173680 10978760520 21957521040
• Sum of all divisors σ(n): 93777331200
• Sum of proper divisors (its aliquot sum) s(n): 71819810160
• 21957521040 is an abundant number, because the sum of its proper divisors (71819810160) is greater than itself. Its abundance is 49862289120

Bases of 21957521040

• Binary: 10100011100110001010010111010010000₂
• Hexadecimal: 0x51CC52E90
• Base-36: A34XVO0

Squares and roots of 21957521040

• 21957521040 squared (21957521040²) is 482132730222042681600
• 21957521040 cubed (21957521040³) is 10586439567923146053010020864000
• The square root of 21957521040 is 148180.7040069657
• The cube root of 21957521040 is 2800.2347184187

Scales and comparisons

• 21,957,521,040 seconds is equal to 698 years, 9 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 21,957,521,040 would take you about one thousand, three hundred ninety-six 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 21957521040 cubic inches would be around 233.4 feet tall.

Recreational maths with 21957521040

• 21957521040 backwards is 04012575912
• 21957521040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21957521040's digits is 36
• More coming soon!