21402572800

Names of 21402572800

• Cardinal: 21402572800 can be written as Twenty-one billion, four hundred two million, five hundred seventy-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14025728 × 10¹⁰

Factors of 21402572800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 482

Divisors of 21402572800

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 25 28 32 35 38 40 49 50 56 64 70 76 80 95 98 100 112 128 133 140 152 160 175 190 196 200 224 245 256 266 280 304 320 350 380 392 400 448 449 475 490 512 532 560 608 640 665 700 760 784 800 896 898 931 950 980 1024 1064 1120 1216 1225 1280 1330 1400 1520 1568 1600 1792 1796 1862 1900 1960 2048 2128 2240 2245 2432 2450 2560 2660 2800 3040 3136 3143 3200 3325 3584 3592 3724 3800 3920 4256 4480 4490 4655 4864 4900 5120 5320 5600 6080 6272 6286 6400 6650 7168 7184 7448 7600 7840 8512 8531 8960 8980 9310 9728 9800 10240 10640 11200 11225 12160 12544 12572 12800 13300 14336 14368 14896 15200 15680 15715 17024 17062 17920 17960 18620 19456 19600 21280 22001 22400 22450 23275 24320 25088 25144 25600 26600 28736 29792 30400 31360 31430 34048 34124 35840 35920 37240 38912 39200 42560 42655 44002 44800 44900 46550 48640 50176 50288 51200 53200 57472 59584 59717 60800 62720 62860 68096 68248 71680 71840 74480 78400 78575 85120 85310 88004 89600 89800 93100 97280 100352 100576 106400 110005 114944 119168 119434 121600 125440 125720 136192 136496 143680 148960 156800 157150 170240 170620 176008 179200 179600 186200 194560 201152 212800 213275 220010 229888 238336 238868 243200 250880 251440 272384 272992 287360 297920 298585 313600 314300 340480 341240 352016 358400 359200 372400 402304 418019 425600 426550 440020 459776 476672 477736 486400 501760 502880 545984 550025 574720 595840 597170 627200 628600 680960 682480 704032 718400 744800 804608 836038 851200 853100 880040 919552 953344 955472 972800 1005760 1091968 1100050 1149440 1191680 1194340 1254400 1257200 1361920 1364960 1408064 1436800 1489600 1492925 1609216 1672076 1702400 1706200 1760080 1906688 1910944 2011520 2090095 2183936 2200100 2298880 2383360 2388680 2508800 2514400 2729920 2816128 2873600 2979200 2985850 3218432 3344152 3404800 3412400 3520160 3821888 4023040 4180190 4367872 4400200 4597760 4766720 4777360 5028800 5459840 5632256 5747200 5958400 5971700 6436864 6688304 6809600 6824800 7040320 7643776 8046080 8360380 8735744 8800400 9533440 9554720 10057600 10450475 10919680 11264512 11494400 11916800 11943400 13376608 13649600 14080640 15287552 16092160 16720760 17471488 17600800 19109440 20115200 20900950 21839360 22529024 22988800 23833600 23886800 26753216 27299200 28161280 30575104 32184320 33441520 35201600 38218880 40230400 41801900 43678720 45058048 47667200 47773600 53506432 54598400 56322560 61150208 66883040 70403200 76437760 80460800 83603800 87357440 95547200 107012864 109196800 112645120 122300416 133766080 140806400 152875520 160921600 167207600 191094400 214025728 218393600 225290240 267532160 281612800 305751040 334415200 382188800 428051456 436787200 535064320 563225600 611502080 668830400 764377600 856102912 1070128640 1126451200 1337660800 1528755200 2140257280 2675321600 3057510400 4280514560 5350643200 10701286400 21402572800
• Sum of all divisors σ(n): 65122785000
• Sum of proper divisors (its aliquot sum) s(n): 43720212200
• 21402572800 is an abundant number, because the sum of its proper divisors (43720212200) is greater than itself. Its abundance is 22317639400

Bases of 21402572800

• Binary: 10011111011101100010101100000000000₂
• Hexadecimal: 0x4FBB15800
• Base-36: 9TYJEV4

Squares and roots of 21402572800

• 21402572800 squared (21402572800²) is 458070122459299840000
• 21402572800 cubed (21402572800³) is 9803879143440079862628352000000
• The square root of 21402572800 is 146296.1817683565
• The cube root of 21402572800 is 2776.4423549073

Scales and comparisons

• 21,402,572,800 seconds is equal to 680 years, 27 weeks, 5 days, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,402,572,800 would take you about one thousand, three hundred sixty-one 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 21402572800 cubic inches would be around 231.4 feet tall.

Recreational maths with 21402572800

• 21402572800 backwards is 00827520412
• The number of decimal digits it has is: 11
• The sum of 21402572800's digits is 31
• More coming soon!