21427804800

Names of 21427804800

• Cardinal: 21427804800 can be written as Twenty-one billion, four hundred twenty-seven million, eight hundred four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14278048 × 10¹⁰

Factors of 21427804800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 258

Divisors of 21427804800

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 25 27 30 32 36 38 40 45 48 50 54 57 60 64 72 75 76 80 81 90 95 96 100 108 114 120 128 135 144 150 152 160 162 171 180 190 192 200 216 225 228 229 240 270 285 288 300 304 320 324 342 360 361 380 384 400 405 432 450 456 458 475 480 513 540 570 576 600 608 640 648 675 684 687 720 722 760 800 810 855 864 900 912 916 950 960 1026 1080 1083 1140 1145 1152 1200 1216 1296 1350 1368 1374 1425 1440 1444 1520 1539 1600 1620 1710 1728 1800 1805 1824 1832 1900 1920 2025 2052 2061 2160 2166 2280 2290 2400 2432 2565 2592 2700 2736 2748 2850 2880 2888 3040 3078 3200 3240 3249 3420 3435 3456 3600 3610 3648 3664 3800 4050 4104 4122 4275 4320 4332 4351 4560 4580 4800 5130 5184 5400 5415 5472 5496 5700 5725 5760 5776 6080 6156 6183 6480 6498 6840 6870 7200 7220 7296 7328 7600 7695 8100 8208 8244 8550 8640 8664 8702 9025 9120 9160 9600 9747 10260 10305 10368 10800 10830 10944 10992 11400 11450 11552 12160 12312 12366 12825 12960 12996 13053 13680 13740 14400 14440 14656 15200 15390 16200 16245 16416 16488 17100 17175 17280 17328 17404 18050 18240 18320 18549 19494 20520 20610 21600 21660 21755 21888 21984 22800 22900 23104 24624 24732 25650 25920 25992 26106 27075 27360 27480 28800 28880 29241 29312 30400 30780 30915 32400 32490 32832 32976 34200 34350 34656 34808 36100 36480 36640 37098 38475 38988 39159 41040 41220 43200 43320 43510 43968 45600 45800 46208 48735 49248 49464 51300 51525 51840 51984 52212 54150 54720 54960 57760 58482 60800 61560 61830 64800 64980 65265 65664 65952 68400 68700 69312 69616 72200 73280 74196 76950 77976 78318 81225 82080 82440 82669 86400 86640 87020 87936 91200 91600 92745 97470 98496 98928 102600 103050 103968 104424 108300 108775 109440 109920 115520 116964 117477 123120 123660 129600 129960 130530 131904 136800 137400 138624 139232 144400 146205 146560 148392 153900 154575 155952 156636 162450 164160 164880 165338 173280 174040 182400 183200 185490 194940 195795 196992 197856 205200 206100 207936 208848 216600 217550 219840 231040 233928 234954 243675 246240 247320 248007 259200 259920 261060 263808 273600 274800 278464 288800 292410 296784 307800 309150 311904 313272 324900 326325 328320 329760 330676 346560 348080 352431 366400 370980 389880 391590 395712 410400 412200 413345 415872 417696 433200 435100 439680 463725 467856 469908 487350 492480 494640 496014 519840 522120 547200 549600 556928 577600 584820 587385 593568 615600 618300 623808 626544 649800 652650 659520 661352 693120 696160 704862 731025 732800 741960 744021 779760 783180 791424 820800 824400 826690 835392 866400 870200 927450 935712 939816 974700 978975 984960 989280 992028 1039680 1044240 1099200 1155200 1169640 1174770 1187136 1231200 1236600 1240035 1247616 1253088 1299600 1305300 1319040 1322704 1392320 1409724 1462050 1483920 1488042 1559520 1566360 1641600 1648800 1653380 1670784 1732800 1740400 1762155 1854900 1871424 1879632 1949400 1957950 1978560 1984056 2066725 2079360 2088480 2198400 2232063 2339280 2349540 2374272 2462400 2473200 2480070 2506176 2599200 2610600 2645408 2784640 2819448 2924100 2936925 2967840 2976084 3119040 3132720 3297600 3306760 3465600 3480800 3524310 3709800 3720105 3742848 3759264 3898800 3915900 3957120 3968112 4133450 4176960 4464126 4678560 4699080 4924800 4946400 4960140 5012352 5198400 5221200 5290816 5638896 5848200 5873850 5935680 5952168 6200175 6238080 6265440 6595200 6613520 6696189 6961600 7048620 7419600 7440210 7518528 7797600 7831800 7936224 8266900 8353920 8810775 8928252 9357120 9398160 9892800 9920280 10396800 10442400 10581632 11160315 11277792 11696400 11747700 11871360 11904336 12400350 12530880 13227040 13392378 13923200 14097240 14839200 14880420 15037056 15595200 15663600 15872448 16533800 17621550 17856504 18600525 18714240 18796320 19785600 19840560 20884800 22320630 22555584 23392800 23495400 23808672 24800700 25061760 26454080 26784756 28194480 29678400 29760840 31190400 31327200 31744896 33067600 33480945 35243100 35713008 37201050 37592640 39681120 41769600 44641260 45111168 46785600 46990800 47617344 49601400 52908160 53569512 55801575 56388960 59356800 59521680 62654400 66135200 66961890 70486200 71426016 74402100 75185280 79362240 89282520 93571200 93981600 95234688 99202800 107139024 111603150 112777920 119043360 125308800 132270400 133923780 140972400 142852032 148804200 158724480 167404725 178565040 187963200 198405600 214278048 223206300 225555840 238086720 264540800 267847560 281944800 285704064 297608400 334809450 357130080 375926400 396811200 428556096 446412600 476173440 535695120 563889600 595216800 669618900 714260160 793622400 857112192 892825200 1071390240 1127779200 1190433600 1339237800 1428520320 1785650400 2142780480 2380867200 2678475600 3571300800 4285560960 5356951200 7142601600 10713902400 21427804800
• Sum of all divisors σ(n): 83818533150
• Sum of proper divisors (its aliquot sum) s(n): 62390728350
• 21427804800 is an abundant number, because the sum of its proper divisors (62390728350) is greater than itself. Its abundance is 40962923550

Bases of 21427804800

• Binary: 10011111101001100100101101010000000₂
• Hexadecimal: 0x4FD325A80
• Base-36: 9UDK800

Squares and roots of 21427804800

• 21427804800 squared (21427804800²) is 459150818546903040000
• 21427804800 cubed (21427804800³) is 9838594113583257985646592000000
• The square root of 21427804800 is 146382.3923837837
• The cube root of 21427804800 is 2777.5329976423

Scales and comparisons

• 21,427,804,800 seconds is equal to 681 years, 17 weeks, 4 days.
• To count from 1 to 21,427,804,800 would take you about one thousand, three hundred sixty-two 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 21427804800 cubic inches would be around 231.5 feet tall.

Recreational maths with 21427804800

• 21427804800 backwards is 00840872412
• 21427804800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21427804800's digits is 36
• More coming soon!