21144568380

Names of 21144568380

• Cardinal: 21144568380 can be written as Twenty-one billion, one hundred forty-four million, five hundred sixty-eight thousand, three hundred eighty.

Scientific notation

• Scientific notation: 2.114456838 × 10¹⁰

Factors of 21144568380

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 212

Divisors of 21144568380

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 17 19 20 23 26 30 34 38 39 41 46 51 52 57 60 65 68 69 76 78 82 85 89 92 95 102 114 115 123 130 138 156 164 170 178 190 195 204 205 221 228 230 246 247 255 260 267 276 285 299 323 340 345 356 380 390 391 410 437 442 445 460 492 494 510 533 534 570 598 615 646 663 690 697 741 779 780 782 820 874 884 890 897 943 969 988 1020 1066 1068 1105 1140 1157 1173 1196 1230 1235 1292 1311 1326 1335 1380 1394 1482 1495 1513 1558 1564 1599 1615 1691 1748 1780 1794 1886 1938 1955 2047 2091 2132 2185 2210 2314 2337 2346 2460 2470 2622 2652 2665 2670 2788 2829 2964 2990 3026 3116 3198 3230 3315 3382 3471 3485 3588 3649 3705 3772 3876 3895 3910 4094 4182 4199 4370 4420 4485 4539 4628 4674 4692 4715 4845 4940 5073 5083 5244 5330 5340 5658 5681 5785 5865 5980 6052 6141 6396 6460 6555 6630 6764 6942 6970 7298 7410 7429 7565 7790 7820 7995 8188 8364 8398 8455 8740 8970 9061 9078 9348 9430 9690 10127 10146 10166 10235 10455 10660 10947 11316 11362 11570 11685 11730 12259 12282 12597 13110 13243 13260 13884 13940 14145 14596 14820 14858 15130 15249 15580 15990 16031 16796 16910 17043 17355 17917 17940 18122 18156 18245 18860 19380 19669 20254 20292 20332 20470 20910 20995 21894 21983 22287 22695 22724 23140 23370 23460 24518 24564 25194 25365 25415 26220 26486 26611 27183 28290 28405 28747 29716 30260 30381 30498 30705 31980 32062 33820 34086 34710 34799 35834 36244 36490 36777 37145 38893 39338 39729 40508 40940 41820 41990 43788 43966 44574 45305 45390 46740 47437 48093 49036 50388 50635 50730 50830 52972 53222 53751 54366 54735 56580 56810 57494 59007 60762 60996 61295 61410 62033 62985 64124 65949 66215 68172 69331 69420 69598 71668 72980 73554 74290 76245 77786 78676 79458 79833 80155 83927 83980 85215 86241 87932 89148 89585 90610 90780 94874 96186 96577 98345 101270 101460 101660 104397 106444 107502 108732 109470 109915 111435 113620 114988 116679 118014 121524 122590 122820 124066 125970 131898 132430 133055 135915 138662 139196 142311 143735 147108 148580 151905 152490 155572 158916 159666 160310 167854 170430 172159 172482 173995 179170 181220 183885 186099 189748 192372 193154 194465 196690 198645 202540 207993 208403 208794 215004 218940 219830 222870 232921 233358 236028 237185 240465 245180 248132 251781 251940 263796 264860 266110 268755 271830 277324 284622 287470 289731 295035 303810 304589 304980 310165 319332 320620 329745 335708 340860 344318 344964 346655 347990 358340 367770 372198 373711 386308 388930 393380 397290 399165 415986 416806 417588 419635 431205 439660 445740 452387 465842 466716 474370 480930 482885 503562 505609 516477 521985 532220 537510 543660 569244 574940 579462 583395 590070 607620 609178 620330 625209 659490 661181 688636 693310 695980 698763 711555 735540 744396 747422 777860 794580 798330 806429 831972 833612 839270 860795 862410 901303 904774 913767 930495 931684 948740 961860 965770 1007124 1011218 1032954 1039965 1042015 1043970 1075020 1091051 1121133 1158924 1164605 1166790 1178627 1180140 1218356 1240660 1250418 1258905 1318980 1322362 1357161 1386620 1397526 1423110 1426759 1448655 1494844 1516827 1522945 1594613 1596660 1612858 1678540 1721590 1724820 1802606 1809548 1827534 1860990 1868555 1931540 1983543 2022436 2065908 2079930 2084030 2087940 2182102 2242266 2261935 2329210 2333580 2357254 2419287 2500836 2517810 2528045 2582385 2644724 2703909 2714322 2795052 2846220 2853518 2897310 3033654 3045890 3126045 3189226 3225716 3273153 3305905 3443180 3493815 3535881 3605212 3655068 3721980 3737110 3959657 3967086 4032145 4159860 4168060 4280277 4364204 4484532 4506515 4523870 4568835 4658420 4714508 4783839 4838574 5035620 5056090 5164770 5407818 5428644 5455255 5605665 5707036 5794620 5893135 6067308 6091780 6252090 6378452 6546306 6611810 6785805 6987630 7071762 7133795 7474220 7584135 7919314 7934172 7973065 8064290 8560554 8595353 9013030 9047740 9137670 9567678 9677148 9917715 10112180 10329540 10815636 10910510 11211330 11786270 11878971 12096435 12504180 13092612 13223620 13519545 13571610 13975260 14143524 14267590 15168270 15322151 15838628 15946130 16128580 16365765 17121108 17190706 17679405 18026060 18275340 18547867 19135356 19798285 19835430 20729969 21401385 21821020 22422660 23572540 23757942 23919195 24192870 25786059 27039090 27108421 27143220 28535180 30336540 30644302 31892260 32731530 34381412 35358810 37095734 39596570 39670860 41459938 42802770 42976765 45966453 47515884 47838390 48385740 51572118 54078180 54216842 55643601 59394855 61288604 62189907 65463060 70717620 74191468 76610755 79193140 81325263 82919876 85605540 85953530 91932906 92739335 95676780 103144236 103649845 108433684 111287202 118789710 124379814 128930295 135542105 153221510 162650526 171907060 183865812 185478670 207299690 222574404 229832265 237579420 248759628 257860590 271084210 278218005 306443020 310949535 325301052 352409473 370957340 406626315 414599380 459664530 515721180 542168420 556436010 621899070 704818946 813252630 919329060 1057228419 1112872020 1243798140 1409637892 1626505260 1762047365 2114456838 3524094730 4228913676 5286142095 7048189460 10572284190 21144568380
• Sum of all divisors σ(n): 76814438400
• Sum of proper divisors (its aliquot sum) s(n): 55669870020
• 21144568380 is an abundant number, because the sum of its proper divisors (55669870020) is greater than itself. Its abundance is 34525301640

Bases of 21144568380

• Binary: 10011101100010100001000001000111100₂
• Hexadecimal: 0x4EC50823C
• Base-36: 9POXHDO

Squares and roots of 21144568380

• 21144568380 squared (21144568380²) is 447092771976495824400
• 21144568380 cubed (21144568380³) is 9453583689260763711810272472000
• The square root of 21144568380 is 145411.7202291479
• The cube root of 21144568380 is 2765.2407068629

Scales and comparisons

• 21,144,568,380 seconds is equal to 672 years, 17 weeks, 1 day, 19 hours, 13 minutes.
• To count from 1 to 21,144,568,380 would take you about one thousand, three hundred forty-four 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 21144568380 cubic inches would be around 230.4 feet tall.

Recreational maths with 21144568380

• 21144568380 backwards is 08386544112
• The number of decimal digits it has is: 11
• The sum of 21144568380's digits is 42
• More coming soon!