21946312368

Names of 21946312368

• Cardinal: 21946312368 can be written as Twenty-one billion, nine hundred forty-six million, three hundred twelve thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1946312368 × 10¹⁰

Factors of 21946312368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 547

Divisors of 21946312368

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 29 36 38 48 54 57 58 72 73 76 81 87 108 114 116 144 146 152 162 171 174 216 219 228 232 261 292 304 324 342 348 421 432 438 456 464 513 522 551 584 648 657 684 696 783 842 876 912 1026 1044 1102 1168 1263 1296 1314 1368 1387 1392 1539 1566 1653 1684 1752 1971 2052 2088 2117 2204 2349 2526 2628 2736 2774 3078 3132 3306 3368 3504 3789 3942 4104 4161 4176 4234 4408 4698 4959 5052 5256 5548 5913 6156 6264 6351 6612 6736 7578 7884 7999 8208 8322 8468 8816 9396 9918 10104 10512 11096 11367 11826 12209 12312 12483 12528 12702 13224 14877 15156 15768 15998 16644 16936 18792 19053 19836 20208 22192 22734 23652 23997 24418 24624 24966 25404 26448 29754 30312 30733 31536 31996 33288 33872 34101 36627 37449 37584 38106 39672 40223 44631 45468 47304 47994 48836 49932 50808 57159 59508 60624 61466 63992 66576 68202 71991 73254 74898 76212 79344 80446 89262 90936 92199 94608 95988 97672 99864 101616 109881 112347 114318 119016 120669 122932 127984 136404 143982 146508 149796 152424 160892 171477 178524 181872 184398 191976 195344 199728 215973 219762 224694 228636 231971 238032 241338 245864 272808 276597 287964 293016 299592 304848 321784 329643 342954 357048 362007 368796 383952 431946 439524 449388 457272 463942 482676 491728 545616 553194 575928 583927 586032 599184 643568 647919 659286 685908 695913 714096 724014 737592 829791 863892 879048 891257 898776 914544 927884 965352 988929 1086021 1106388 1151856 1167854 1295838 1318572 1371816 1391826 1448028 1475184 1659582 1727784 1751781 1758096 1782514 1797552 1855768 1930704 1977858 2087739 2172042 2212776 2335708 2489373 2591676 2637144 2673771 2743632 2783652 2896056 3258063 3319164 3455568 3503562 3565028 3711536 3955716 4175478 4344084 4425552 4671416 4978746 5183352 5255343 5274288 5347542 5567304 5792112 6263217 6516126 6638328 7007124 7130056 7911432 8021313 8350956 8688168 9342832 9957492 10366704 10510686 10695084 11134608 12526434 13032252 13276656 14014248 14260112 15766029 15822864 16042626 16701912 16933883 17376336 18789651 19914984 21021372 21390168 24063939 25052868 26064504 28028496 31532058 32085252 33403824 33867766 37579302 39829968 42042744 42780336 47298087 48127878 50105736 50801649 52129008 63064116 64170504 67735532 72191817 75158604 84085488 94596174 96255756 100211472 101603298 126128232 128341008 135471064 144383634 150317208 152404947 189192348 192511512 203206596 252256464 270942128 288767268 300634416 304809894 378384696 385023024 406413192 457214841 577534536 609619788 756769392 812826384 914429682 1155069072 1219239576 1371644523 1828859364 2438479152 2743289046 3657718728 5486578092 7315437456 10973156184 21946312368
• Sum of all divisors σ(n): 70281736800
• Sum of proper divisors (its aliquot sum) s(n): 48335424432
• 21946312368 is an abundant number, because the sum of its proper divisors (48335424432) is greater than itself. Its abundance is 26389112064

Bases of 21946312368

• Binary: 10100011100000110100010011010110000₂
• Hexadecimal: 0x51C1A26B0
• Base-36: A2Y9N00

Squares and roots of 21946312368

• 21946312368 squared (21946312368²) is 481640626553829767424
• 21946312368 cubed (21946312368³) is 10570235639469583442583894700032
• The square root of 21946312368 is 148142.8782223431
• The cube root of 21946312368 is 2799.7581580237

Scales and comparisons

• 21,946,312,368 seconds is equal to 697 years, 42 weeks, 6 days, 5 hours, 52 minutes, 48 seconds.
• To count from 1 to 21,946,312,368 would take you about one thousand, three hundred ninety-five 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 21946312368 cubic inches would be around 233.3 feet tall.

Recreational maths with 21946312368

• 21946312368 backwards is 86321364912
• The number of decimal digits it has is: 11
• The sum of 21946312368's digits is 45
• More coming soon!