21969843840

Names of 21969843840

• Cardinal: 21969843840 can be written as Twenty-one billion, nine hundred sixty-nine million, eight hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.196984384 × 10¹⁰

Factors of 21969843840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 48

Divisors of 21969843840

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 31 32 35 36 40 42 45 48 49 54 56 60 62 63 64 70 72 80 81 84 90 93 96 98 105 108 112 120 124 126 128 135 140 144 147 155 160 162 168 180 186 189 192 196 210 216 217 224 240 243 245 248 252 270 279 280 288 294 310 315 320 324 336 360 372 378 384 392 405 420 432 434 441 448 465 480 486 490 496 504 540 558 560 567 576 588 620 630 640 648 651 672 720 729 735 744 756 784 810 837 840 864 868 882 896 930 945 960 961 972 980 992 1008 1080 1085 1116 1120 1134 1152 1176 1215 1240 1260 1296 1302 1323 1344 1395 1440 1458 1470 1488 1512 1519 1568 1620 1674 1680 1701 1728 1736 1764 1860 1890 1920 1922 1944 1953 1960 1984 2016 2160 2170 2205 2232 2240 2268 2352 2430 2480 2511 2520 2592 2604 2646 2688 2790 2835 2880 2883 2916 2940 2976 3024 3038 3136 3240 3255 3348 3360 3402 3456 3472 3528 3645 3720 3780 3844 3888 3906 3920 3968 3969 4032 4185 4320 4340 4410 4464 4480 4536 4557 4704 4805 4860 4960 5022 5040 5103 5184 5208 5292 5580 5670 5760 5766 5832 5859 5880 5952 6048 6076 6272 6480 6510 6615 6696 6720 6727 6804 6944 7056 7290 7440 7533 7560 7595 7688 7776 7812 7840 7938 8064 8370 8505 8640 8649 8680 8820 8928 9072 9114 9408 9610 9720 9765 9920 10044 10080 10206 10368 10416 10584 11160 11340 11532 11664 11718 11760 11904 11907 12096 12152 12555 12960 13020 13230 13392 13440 13454 13608 13671 13888 14112 14415 14580 14880 15066 15120 15190 15376 15552 15624 15680 15876 16740 17010 17280 17298 17360 17577 17640 17856 18144 18228 18816 19220 19440 19530 19840 19845 20088 20160 20181 20412 20832 21168 22320 22599 22680 22785 23064 23328 23436 23520 23814 24192 24304 25110 25515 25920 25947 26040 26460 26784 26908 27216 27342 27776 28224 28830 29160 29295 29760 30132 30240 30380 30752 31104 31248 31360 31752 33480 33635 34020 34596 34720 35154 35280 35712 35721 36288 36456 37665 38440 38880 39060 39690 40176 40320 40362 40824 41013 41664 42336 43245 44640 45198 45360 45570 46128 46656 46872 47040 47089 47628 48608 50220 51030 51840 51894 52080 52731 52920 53568 53816 54432 54684 56448 57660 58320 58590 59520 59535 60264 60480 60543 60760 61504 62496 63504 66960 67270 68040 68355 69192 69440 70308 70560 71442 72576 72912 75330 76880 77760 77841 78120 79380 80352 80724 81648 82026 83328 84672 86490 87885 89280 90396 90720 91140 92256 93312 93744 94080 94178 95256 97216 100440 100905 102060 103788 104160 105462 105840 107136 107632 108864 109368 112995 115320 116640 117180 119070 120528 120960 121086 121520 123008 123039 124992 127008 129735 133920 134540 136080 136710 138384 138880 140616 141120 141267 142884 145824 150660 153760 155520 155682 156240 158193 158760 160704 161448 163296 164052 169344 172980 175770 178560 178605 180792 181440 181629 182280 184512 187488 188356 190512 194432 200880 201810 204120 205065 207576 208320 210924 211680 215264 217728 218736 225990 230640 233280 233523 234360 235445 238140 241056 242172 243040 246078 249984 254016 259470 263655 267840 269080 272160 273420 276768 281232 282240 282534 285768 291648 301320 302715 307520 311364 312480 316386 317520 321408 322896 326592 328104 345960 351540 357210 361584 362880 363258 364560 369024 369117 374976 376712 381024 389205 401760 403620 408240 410130 415152 416640 421848 423360 423801 430528 437472 451980 461280 466560 467046 468720 470890 476280 482112 484344 486080 492156 508032 518940 527310 535680 538160 544320 544887 546840 553536 562464 565068 571536 583296 602640 605430 615040 615195 622728 624960 632772 635040 645792 653184 656208 691920 700569 703080 706335 714420 723168 726516 729120 738234 749952 753424 762048 778410 790965 803520 807240 816480 820260 830304 843696 846720 847602 861056 874944 903960 908145 922560 934092 937440 941780 952560 964224 968688 972160 984312 1037880 1054620 1076320 1088640 1089774 1093680 1107072 1107351 1124928 1130136 1143072 1167615 1205280 1210860 1230390 1245456 1249920 1265544 1270080 1271403 1291584 1312416 1383840 1401138 1406160 1412670 1428840 1446336 1453032 1458240 1476468 1506848 1524096 1556820 1581930 1607040 1614480 1632960 1634661 1640520 1660608 1687392 1695204 1749888 1807920 1816290 1845120 1845585 1868184 1874880 1883560 1905120 1937376 1968624 2075760 2109240 2119005 2152640 2179548 2187360 2214702 2249856 2260272 2286144 2335230 2410560 2421720 2460780 2490912 2531088 2540160 2542806 2583168 2624832 2724435 2767680 2802276 2812320 2825340 2857680 2892672 2906064 2916480 2952936 3013696 3113640 3163860 3228960 3265920 3269322 3281040 3321216 3374784 3390408 3502845 3615840 3632580 3691170 3736368 3749760 3767120 3810240 3814209 3874752 3937248 4151520 4218480 4238010 4305280 4359096 4374720 4429404 4520544 4572288 4670460 4821120 4843440 4903983 4921560 4981824 5062176 5085612 5249664 5448870 5535360 5536755 5604552 5624640 5650680 5715360 5812128 5905872 6027392 6227280 6327720 6357015 6457920 6538644 6562080 6749568 6780816 7005690 7231680 7265160 7382340 7472736 7534240 7620480 7628418 7749504 7874496 8173305 8303040 8436960 8476020 8718192 8749440 8858808 9041088 9340920 9686880 9807966 9843120 9963648 10124352 10171224 10897740 11073510 11209104 11249280 11301360 11430720 11442627 11624256 11811744 12454560 12655440 12714030 12915840 13077288 13124160 13561632 14011380 14463360 14530320 14764680 14945472 15068480 15256836 15748992 16346610 16606080 16873920 16952040 17436384 17717616 18082176 18681840 19071045 19373760 19615932 19686240 20248704 20342448 21795480 22147020 22418208 22602720 22861440 22885254 23248512 23623488 24519915 24909120 25310880 25428060 26154576 26248320 27123264 28022760 29060640 29529360 29890944 30136960 30513672 32693220 33747840 33904080 34327881 34872768 35435232 37363680 38142090 38747520 39231864 39372480 40684896 43590960 44294040 44836416 45205440 45770508 47246976 49039830 49818240 50621760 50856120 52309152 54246528 56045520 57213135 58121280 59058720 61027344 65386440 67808160 68655762 69745536 70870464 74727360 76284180 78463728 78744960 81369792 87181920 88588080 89672832 90410880 91541016 98079660 101243520 101712240 104618304 112091040 114426270 116242560 118117440 122054688 130772880 135616320 137311524 141740928 149454720 152568360 156927456 162739584 171639405 174363840 177176160 183082032 196159320 203424480 209236608 224182080 228852540 236234880 244109376 261545760 271232640 274623048 305136720 313854912 343278810 348727680 354352320 366164064 392318640 406848960 448364160 457705080 488218752 523091520 549246096 610273440 627709824 686557620 708704640 732328128 784637280 813697920 915410160 1046183040 1098492192 1220546880 1373115240 1464656256 1569274560 1830820320 2196984384 2441093760 2746230480 3138549120 3661640640 4393968768 5492460960 7323281280 10984921920 21969843840
• Sum of all divisors σ(n): 94653286290
• Sum of proper divisors (its aliquot sum) s(n): 72683442450
• 21969843840 is an abundant number, because the sum of its proper divisors (72683442450) is greater than itself. Its abundance is 50713598610

Bases of 21969843840

• Binary: 10100011101100000010011011010000000₂
• Hexadecimal: 0x51D813680
• Base-36: A3CA000

Squares and roots of 21969843840

• 21969843840 squared (21969843840²) is 482674038353985945600
• 21969843840 cubed (21969843840³) is 10604273248259241866386735104000
• The square root of 21969843840 is 148222.2784874123
• The cube root of 21969843840 is 2800.7584611969

Scales and comparisons

• 21,969,843,840 seconds is equal to 698 years, 29 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 21,969,843,840 would take you about one thousand, three hundred ninety-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 21969843840 cubic inches would be around 233.4 feet tall.

Recreational maths with 21969843840

• 21969843840 backwards is 04834896912
• 21969843840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21969843840's digits is 54
• More coming soon!