21049210800

Names of 21049210800

• Cardinal: 21049210800 can be written as Twenty-one billion, forty-nine million, two hundred ten thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10492108 × 10¹⁰

Factors of 21049210800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1163

Divisors of 21049210800

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 25 27 30 31 36 38 40 45 48 50 54 57 60 62 72 75 76 80 81 90 93 95 100 108 114 120 124 135 144 150 152 155 162 171 180 186 190 200 216 225 228 240 248 270 279 285 300 304 310 324 342 360 372 380 400 405 432 450 456 465 475 496 513 540 558 570 589 600 620 648 675 684 720 744 760 775 810 837 855 900 912 930 950 1026 1080 1103 1116 1140 1178 1200 1240 1296 1350 1368 1395 1425 1488 1520 1539 1550 1620 1674 1710 1767 1800 1860 1900 2025 2052 2160 2206 2232 2280 2325 2356 2480 2511 2565 2700 2736 2790 2850 2945 3078 3100 3240 3309 3348 3420 3534 3600 3720 3800 4050 4104 4185 4275 4412 4464 4560 4650 4712 5022 5130 5301 5400 5515 5580 5700 5890 6156 6200 6480 6618 6696 6840 6975 7068 7440 7600 7695 8100 8208 8370 8550 8824 8835 9300 9424 9927 10044 10260 10602 10800 11030 11160 11400 11780 12312 12400 12555 12825 13236 13392 13680 13950 14136 14725 15390 15903 16200 16545 16740 17100 17648 17670 18600 19854 20088 20520 20925 20957 21204 22060 22320 22800 23560 24624 25110 25650 26472 26505 27575 27900 28272 29450 29781 30780 31806 32400 33090 33480 34193 34200 35340 37200 38475 39708 40176 41040 41850 41914 42408 44120 44175 47120 47709 49635 50220 51300 52944 53010 55150 55800 58900 59562 61560 62775 62871 63612 66180 66960 68386 68400 70680 76950 79416 79515 82725 83700 83828 84816 88240 88350 89343 95418 99270 100440 102579 102600 104785 106020 110300 111600 117800 119124 123120 125550 125742 127224 132360 132525 136772 141360 148905 153900 158832 159030 165450 167400 167656 170965 176700 178686 188613 190836 198540 200880 205158 205200 209570 212040 220600 235600 238248 238545 248175 251100 251484 254448 264720 265050 273544 297810 307737 307800 314355 318060 330900 334800 335312 341930 353400 357372 377226 381672 397080 397575 410316 419140 424080 441200 446715 476496 477090 496350 502200 502968 512895 523925 530100 547088 565839 595620 615474 615600 628710 636120 649667 661800 683860 706800 714744 744525 754452 763344 794160 795150 820632 838280 854825 893430 923211 943065 954180 992700 1004400 1005936 1025790 1047850 1060200 1131678 1191240 1192725 1230948 1257420 1272240 1299334 1323600 1367720 1429488 1489050 1508904 1538685 1571775 1590300 1641264 1676560 1697517 1709650 1786860 1846422 1886130 1908360 1949001 1985400 2051580 2095700 2120400 2233575 2263356 2382480 2385450 2461896 2514840 2564475 2598668 2735440 2769633 2829195 2978100 3017808 3077370 3143550 3180600 3248335 3395034 3419300 3573720 3692844 3772260 3816720 3898002 3970800 4103160 4191400 4467150 4526712 4616055 4715325 4770900 4923792 5029680 5128950 5197336 5539266 5658390 5847003 5956200 6154740 6287100 6361200 6496670 6790068 6838600 7147440 7385688 7544520 7693425 7796004 8206320 8382800 8487585 8934300 9053424 9232110 9430650 9541800 9745005 10257900 10394672 11078532 11316780 11694006 11912400 12309480 12574200 12993340 13580136 13677200 13848165 14145975 14771376 15089040 15386850 15592008 16241675 16975170 17541009 17868600 18464220 18861300 19083600 19490010 20515800 22157064 22633560 23080275 23388012 24618960 25148400 25986680 27160272 27696330 28291950 29235015 30773700 31184016 32483350 33950340 35082018 35737200 36928440 37722600 38980020 41031600 42437925 44314128 45267120 46160550 46776024 48725025 51973360 52623027 55392660 56583900 58470030 61547400 64966700 67900680 69240825 70164036 73856880 75445200 77960040 84875850 87705045 92321100 93552048 97450050 105246054 110785320 113167800 116940060 123094800 129933400 135801360 138481650 140328072 146175075 155920080 169751700 175410090 184642200 194900100 210492108 221570640 226335600 233880120 259866800 263115135 276963300 280656144 292350150 339503400 350820180 369284400 389800200 420984216 438525225 467760240 526230270 553926600 584700300 679006800 701640360 779600400 841968432 877050450 1052460540 1107853200 1169400600 1315575675 1403280720 1754100900 2104921080 2338801200 2631151350 3508201800 4209842160 5262302700 7016403600 10524605400 21049210800
• Sum of all divisors σ(n): 82159503360
• Sum of proper divisors (its aliquot sum) s(n): 61110292560
• 21049210800 is an abundant number, because the sum of its proper divisors (61110292560) is greater than itself. Its abundance is 40061081760

Bases of 21049210800

• Binary: 10011100110101000010111011110110000₂
• Hexadecimal: 0x4E6A177B0
• Base-36: 9O45N00

Squares and roots of 21049210800

• 21049210800 squared (21049210800²) is 443069275302836640000
• 21049210800 cubed (21049210800³) is 9326258574852642273323712000000
• The square root of 21049210800 is 145083.4614971671
• The cube root of 21049210800 is 2761.0775565623

Scales and comparisons

• 21,049,210,800 seconds is equal to 669 years, 15 weeks, 4 days, 3 hours.
• To count from 1 to 21,049,210,800 would take you about one thousand, three hundred thirty-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 21049210800 cubic inches would be around 230.1 feet tall.

Recreational maths with 21049210800

• 21049210800 backwards is 00801294012
• 21049210800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21049210800's digits is 27
• More coming soon!