21239662261680

Names of 21239662261680

• Cardinal: 21239662261680 can be written as Twenty-one trillion, two hundred thirty-nine billion, six hundred sixty-two million, two hundred sixty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.123966226168 × 10¹³

Factors of 21239662261680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 320

Divisors of 21239662261680

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 53 54 60 72 80 90 106 108 120 135 144 159 180 212 216 240 257 265 270 318 360 424 432 477 514 530 540 636 720 771 795 848 954 1028 1060 1080 1272 1285 1431 1542 1590 1908 2056 2120 2160 2313 2385 2544 2570 2809 2862 3084 3180 3816 3855 4112 4240 4626 4770 5140 5618 5724 6168 6360 6939 7155 7632 7710 8427 9252 9540 10280 11236 11448 11565 12336 12720 13621 13878 14045 14310 15420 16854 18504 19080 20560 22472 22896 23130 25281 27242 27756 28090 28620 30840 33708 34695 37008 38160 40863 42135 44944 46260 50562 54484 55512 56180 57240 61680 66049 67416 68105 69390 75843 81726 84270 92520 101124 108968 111024 112360 114480 122589 126405 132098 134832 136210 138780 148877 151686 163452 168540 185040 198147 202248 204315 217936 224720 245178 252810 264196 272420 277560 297754 303372 326904 330245 337080 367767 379215 396294 404496 408630 446631 490356 505620 528392 544840 555120 594441 595508 606744 612945 653808 660490 674160 721913 735534 744385 758430 792588 817260 893262 980712 990735 1011240 1056784 1089680 1188882 1191016 1213488 1225890 1320980 1339893 1443826 1471068 1488770 1516860 1585176 1634520 1783323 1786524 1838835 1961424 1981470 2022480 2165739 2233155 2377764 2382032 2451780 2641960 2679786 2887652 2942136 2972205 2977540 3033720 3170352 3269040 3500597 3566646 3573048 3609565 3677670 3962940 4019679 4331478 4466310 4755528 4903560 5283920 5359572 5775304 5884272 5944410 5955080 6067440 6497217 6699465 7001194 7133292 7146096 7219130 7355340 7925880 8039358 8662956 8916615 8932620 9511056 9807120 10501791 10719144 10828695 11550608 11888820 11910160 12994434 13398930 14002388 14266584 14438260 14710680 15851760 16078716 17325912 17502985 17833230 17865240 19491651 20098395 21003582 21438288 21657390 23777640 25988868 26797860 28004776 28533168 28876520 29421360 31505373 32157432 32486085 34651824 35005970 35666460 35730480 38261389 38983302 40196790 42007164 43314780 47555280 51977736 52508955 53595720 56009552 57753040 63010746 64314864 64972170 70011940 71332920 76522778 77966604 80393580 84014328 86629560 94516119 97458255 103955472 105017910 107191440 114784167 126021492 129944340 140023880 142665840 153045556 155933208 157526865 160787160 168028656 173259120 185531641 189032238 191306945 194916510 210035820 229568334 252042984 259888680 280047760 306091112 311866416 315053730 321574320 344352501 371063282 378064476 382613890 389833020 420071640 459136668 472580595 504085968 519777360 556594923 573920835 612182224 630107460 688705002 742126564 756128952 765227780 779666040 840143280 918273336 927658205 945161190 1033057503 1113189846 1147841670 1260214920 1377410004 1484253128 1512257904 1530455560 1559332080 1669784769 1721762505 1836546672 1855316410 1890322380 2066115006 2226379692 2295683340 2520429840 2754820008 2782974615 2968506256 3060911120 3339569538 3443525010 3710632820 3780644760 4132230012 4452759384 4591366680 5009354307 5165287515 5509640016 5565949230 6679139076 6887050020 7421265640 7561289520 8264460024 8348923845 8905518768 9182733360 9833176973 10018708614 10330575030 11131898460 13358278152 13774100040 14842531280 16528920048 16697847690 19666353946 20037417228 20661150060 22263796920 25046771535 26716556304 27548200080 29499530919 33395695380 39332707892 40074834456 41322300120 44527593840 49165884865 50093543070 58999061838 66791390760 78665415784 80149668912 82644600240 88498592757 98331769730 100187086140 117998123676 133582781520 147497654595 157330831568 176997185514 196663539460 200374172280 235996247352 265495778271 294995309190 353994371028 393327078920 400748344560 442492963785 471992494704 530991556542 589990618380 707988742056 786654157840 884985927570 1061983113084 1179981236760 1327478891355 1415977484112 1769971855140 2123966226168 2359962473520 2654957782710 3539943710280 4247932452336 5309915565420 7079887420560 10619831130840 21239662261680
• Sum of all divisors σ(n): 74856995899200
• Sum of proper divisors (its aliquot sum) s(n): 53617333637520
• 21239662261680 is an abundant number, because the sum of its proper divisors (53617333637520) is greater than itself. Its abundance is 32377671375840

Bases of 21239662261680

• Binary: 100110101000100111110100001100011010110110000₂
• Hexadecimal: 0x13513E8635B0
• Base-36: 7J1D6IOC0

Squares and roots of 21239662261680

• 21239662261680 squared (21239662261680²) is 451123252990233572796422400
• 21239662261680 cubed (21239662261680³) is 9581705531902983229732727914596613632000
• The square root of 21239662261680 is 4608650.8070887731
• The cube root of 21239662261680 is 27693.7989836555

Scales and comparisons

• 21,239,662,261,680 seconds is equal to 675,355 years, 29 weeks, 1 day, 7 hours, 48 minutes.
• To count from 1 to 21,239,662,261,680 would take you about one million, six hundred eighty-eight thousand, three hundred eighty-eight 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 21239662261680 cubic inches would be around 2307.8 feet tall.

Recreational maths with 21239662261680

• 21239662261680 backwards is 08616226693212
• 21239662261680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21239662261680's digits is 54
• More coming soon!