21347515560

Names of 21347515560

• Cardinal: 21347515560 can be written as Twenty-one billion, three hundred forty-seven million, five hundred fifteen thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.134751556 × 10¹⁰

Factors of 21347515560

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 224

Divisors of 21347515560

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 37 40 42 56 60 70 73 74 84 97 105 111 120 140 146 148 168 185 194 210 219 222 259 280 291 292 296 365 370 388 420 438 444 485 511 518 555 582 584 679 730 740 776 777 840 876 888 970 1022 1036 1095 1110 1164 1295 1358 1455 1460 1480 1533 1554 1752 1940 2037 2044 2072 2190 2220 2328 2555 2590 2701 2716 2910 2920 3066 3108 3395 3589 3880 3885 4074 4088 4380 4440 5110 5180 5402 5432 5820 6132 6216 6790 7081 7178 7665 7770 8103 8148 8760 9409 10185 10220 10360 10767 10804 11640 12264 13505 13580 14162 14356 15330 15540 16206 16296 17945 18818 18907 20370 20440 21243 21534 21608 25123 27010 27160 28227 28324 28712 30660 31080 32412 35405 35890 37636 37814 40515 40740 42486 43068 47045 49567 50246 53835 54020 56454 56648 56721 61320 64824 65863 70810 71780 75272 75369 75628 81030 81480 84972 86136 94090 94535 99134 100492 106215 107670 108040 112908 113442 125615 131726 141135 141620 143560 148701 150738 151256 162060 169944 188180 189070 197589 198268 200984 212430 215340 225816 226884 247835 251230 261997 263452 282270 283240 283605 297402 301476 324120 329315 348133 376360 376845 378140 395178 396536 424860 430680 453768 495670 502460 523994 526904 564540 567210 594804 602952 658630 686857 696266 743505 753690 756280 785991 790356 849720 987945 991340 1004920 1044399 1047988 1129080 1134420 1189608 1309985 1317260 1373714 1392532 1487010 1507380 1571982 1580712 1740665 1833979 1975890 1982680 2060571 2088798 2095976 2268840 2436931 2619970 2634520 2747428 2785064 2974020 3014760 3143964 3434285 3481330 3667958 3929955 3951780 4121142 4177596 4807999 4873862 5221995 5239940 5494856 5501937 5948040 6287928 6868570 6962660 7310793 7335916 7859910 7903560 8242284 8355192 9169895 9615998 9747724 10302855 10443990 10479880 11003874 12184655 13737140 13925320 14423997 14621586 14671832 15719820 16484568 18339790 19231996 19495448 20605710 20887980 22007748 24039995 24369310 25413709 27474280 27509685 28847994 29243172 31439640 36553965 36679580 38463992 41211420 41775960 44015496 48079990 48738620 50827418 55019370 57695988 58486344 72119985 73107930 73359160 76241127 82422840 96159980 97477240 101654836 110038740 115391976 127068545 144239970 146215860 152482254 177895963 192319960 203309672 220077480 254137090 288479940 292431720 304964508 355791926 381205635 508274180 533687889 576959880 609929016 711583852 762411270 889479815 1016548360 1067375778 1423167704 1524822540 1778959630 2134751556 2668439445 3049645080 3557919260 4269503112 5336878890 7115838520 10673757780 21347515560
• Sum of all divisors σ(n): 76993009920
• Sum of proper divisors (its aliquot sum) s(n): 55645494360
• 21347515560 is an abundant number, because the sum of its proper divisors (55645494360) is greater than itself. Its abundance is 34297978800

Bases of 21347515560

• Binary: 10011111000011010010011110010101000₂
• Hexadecimal: 0x4F8693CA8
• Base-36: 9T1RCFC

Squares and roots of 21347515560

• 21347515560 squared (21347515560²) is 455716420584442113600
• 21347515560 cubed (21347515560³) is 9728413379373882313995287616000
• The square root of 21347515560 is 146107.8901360225
• The cube root of 21347515560 is 2774.0595491839

Scales and comparisons

• 21,347,515,560 seconds is equal to 678 years, 40 weeks, 5 days, 17 hours, 26 minutes.
• To count from 1 to 21,347,515,560 would take you about one thousand, three hundred fifty-seven 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 21347515560 cubic inches would be around 231.2 feet tall.

Recreational maths with 21347515560

• 21347515560 backwards is 06551574312
• The number of decimal digits it has is: 11
• The sum of 21347515560's digits is 39
• More coming soon!