21129463516800

Names of 21129463516800

• Cardinal: 21129463516800 can be written as Twenty-one trillion, one hundred twenty-nine billion, four hundred sixty-three million, five hundred sixteen thousand, eight hundred.

Scientific notation

• Scientific notation: 2.11294635168 × 10¹³

Factors of 21129463516800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1395791

Divisors of 21129463516800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 30 32 38 40 48 50 57 60 64 75 76 80 83 95 96 100 114 120 128 150 152 160 166 190 192 200 228 240 249 285 300 304 320 332 380 384 400 415 456 475 480 498 570 600 608 640 664 760 800 830 912 950 960 996 1140 1200 1216 1245 1328 1425 1520 1577 1600 1660 1824 1900 1920 1992 2075 2280 2400 2432 2490 2656 2850 3040 3154 3200 3320 3648 3800 3984 4150 4560 4731 4800 4980 5312 5700 6080 6225 6308 6640 7296 7600 7885 7968 8300 9120 9462 9600 9960 10624 11400 12160 12450 12616 13280 15200 15770 15936 16600 18240 18924 19920 22800 23655 24900 25232 26560 30400 31540 31872 33200 36480 37848 39425 39840 45600 47310 49800 50464 53120 60800 63080 66400 75696 78850 79680 91200 94620 99600 100928 118275 126160 132800 151392 157700 159360 182400 189240 199200 201856 236550 252320 265600 302784 315400 378480 398400 473100 504640 605568 630800 756960 796800 946200 1009280 1261600 1395679 1513920 1892400 2523200 2791358 3027840 3784800 4187037 5046400 5582716 6978395 7569600 8374074 11165432 13956790 15139200 16748148 20935185 22330864 26517901 27913580 33496296 34891975 41870370 44661728 53035802 55827160 66992592 69783950 79553703 83740740 89323456 104675925 106071604 111654320 115841357 132589505 133985184 139567900 159107406 167481480 178646912 209351850 212143208 223308640 231682714 265179010 267970368 279135800 318214812 334962960 347524071 397768515 418703700 424286416 446617280 463365428 530358020 535940736 558271600 579206785 636429624 662947525 669925920 695048142 795537030 837407400 848572832 893234560 926730856 1060716040 1116543200 1158413570 1272859248 1325895050 1339851840 1390096284 1591074060 1674814800 1697145664 1737620355 1853461712 1988842575 2121432080 2200985783 2233086400 2316827140 2545718496 2651790100 2679703680 2780192568 2896033925 3182148120 3349629600 3394291328 3475240710 3706923424 3977685150 4242864160 4401971566 4466172800 4633654280 5091436992 5303580200 5560385136 5792067850 6364296240 6602957349 6699259200 6950481420 7413846848 7955370300 8485728320 8688101775 8803943132 9267308560 10182873984 10607160400 11004928915 11120770272 11584135700 12728592480 13205914698 13398518400 13900962840 14827693696 15910740600 16971456640 17376203550 17607886264 18534617120 21214320800 22009857830 22241540544 23168271400 25457184960 26411829396 27801925680 31821481200 33014786745 34752407100 35215772528 37069234240 42428641600 44019715660 44483081088 46336542800 50914369920 52823658792 55024644575 55603851360 63642962400 66029573490 69504814200 70431545056 74138468480 84857283200 88039431320 92673085600 105647317584 110049289150 111207702720 127285924800 132059146980 139009628400 140863090112 165073933725 176078862640 185346171200 211294635168 220098578300 222415405440 254571849600 264118293960 278019256800 281726180224 330147867450 352157725280 370692342400 422589270336 440197156600 528236587920 556038513600 660295734900 704315450560 845178540672 880394313200 1056473175840 1112077027200 1320591469800 1408630901120 1760788626400 2112946351680 2641182939600 3521577252800 4225892703360 5282365879200 7043154505600 10564731758400 21129463516800
• Sum of all divisors σ(n): 74140754688000
• Sum of proper divisors (its aliquot sum) s(n): 53011291171200
• 21129463516800 is an abundant number, because the sum of its proper divisors (53011291171200) is greater than itself. Its abundance is 31881827654400

Bases of 21129463516800

• Binary: 100110011011110010110001010101100111010000000₂
• Hexadecimal: 0x1337962ACE80
• Base-36: 7HMQP14LC

Squares and roots of 21129463516800

• 21129463516800 squared (21129463516800²) is 446454228507782223882240000
• 21129463516800 cubed (21129463516800³) is 9433338333176275004399359739461632000000
• The square root of 21129463516800 is 4596679.6186812933
• The cube root of 21129463516800 is 27645.8208961185

Scales and comparisons

• 21,129,463,516,800 seconds is equal to 671,851 years, 30 weeks, 1 day, 21 hours, 20 minutes.
• To count from 1 to 21,129,463,516,800 would take you about one million, six hundred seventy-nine thousand, six hundred twenty-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 21129463516800 cubic inches would be around 2303.8 feet tall.

Recreational maths with 21129463516800

• 21129463516800 backwards is 00861536492112
• 21129463516800 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21129463516800's digits is 48
• More coming soon!