21997720800

Names of 21997720800

• Cardinal: 21997720800 can be written as Twenty-one billion, nine hundred ninety-seven million, seven hundred twenty thousand, eight hundred.

Scientific notation

• Scientific notation: 2.19977208 × 10¹⁰

Factors of 21997720800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 148

Divisors of 21997720800

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 66 72 75 80 81 88 90 96 99 100 108 110 120 127 132 135 144 150 160 162 165 176 180 198 200 216 220 225 240 243 254 264 270 275 288 297 300 324 330 352 360 381 396 400 405 432 440 450 480 486 495 508 528 540 550 594 600 635 648 660 675 720 729 762 792 800 810 825 864 880 891 900 972 990 1016 1056 1080 1100 1143 1188 1200 1215 1270 1296 1320 1350 1397 1440 1458 1485 1524 1584 1620 1650 1760 1782 1800 1905 1944 1980 2025 2032 2160 2187 2200 2286 2376 2400 2430 2475 2540 2592 2640 2673 2700 2794 2916 2970 3048 3168 3175 3240 3300 3429 3564 3600 3645 3810 3888 3960 4050 4064 4191 4320 4374 4400 4455 4572 4752 4860 4950 5080 5280 5346 5400 5588 5715 5832 5940 6075 6096 6350 6480 6561 6600 6858 6985 7128 7200 7290 7425 7620 7776 7920 8019 8100 8382 8748 8800 8910 9144 9504 9525 9720 9900 10160 10287 10692 10800 10935 11176 11430 11664 11880 12150 12192 12573 12700 12960 13122 13200 13365 13716 13970 14256 14580 14850 15240 15840 16038 16200 16764 17145 17496 17820 18225 18288 19050 19440 19683 19800 20320 20574 20955 21384 21600 21870 22275 22352 22860 23328 23760 24057 24300 25146 25400 26244 26400 26730 27432 27940 28512 28575 29160 29700 30480 30861 32076 32400 32805 33528 34290 34925 34992 35640 36450 36576 37719 38100 38880 39366 39600 40095 41148 41910 42768 43740 44550 44704 45720 47520 48114 48600 50292 50800 51435 52488 53460 54675 54864 55880 57150 58320 59400 60960 61722 62865 64152 64800 65610 66825 67056 68580 69850 69984 71280 72171 72900 75438 76200 78732 79200 80190 82296 83820 85536 85725 87480 89100 91440 92583 96228 97200 98415 100584 101600 102870 104775 104976 106920 109350 109728 111760 113157 114300 116640 118800 120285 123444 125730 128304 131220 133650 134112 137160 139700 142560 144342 145800 150876 152400 154305 157464 160380 164025 164592 167640 171450 174960 178200 182880 185166 188595 192456 194400 196830 200475 201168 205740 209550 209952 213840 216513 218700 223520 226314 228600 237600 240570 246888 251460 256608 257175 262440 267300 274320 277749 279400 288684 291600 301752 304800 308610 314325 314928 320760 328050 329184 335280 339471 342900 349920 356400 360855 370332 377190 384912 393660 400950 402336 411480 419100 427680 433026 437400 452628 457200 462915 481140 492075 493776 502920 514350 524880 534600 548640 555498 558800 565785 577368 583200 601425 603504 617220 628650 629856 641520 656100 670560 678942 685800 712800 721710 740664 754380 769824 771525 787320 801900 822960 833247 838200 866052 874800 905256 914400 925830 942975 962280 984150 987552 1005840 1018413 1028700 1049760 1069200 1082565 1110996 1117600 1131570 1154736 1202850 1207008 1234440 1257300 1283040 1312200 1357884 1371600 1388745 1443420 1481328 1508760 1543050 1574640 1603800 1645920 1666494 1676400 1697355 1732104 1749600 1804275 1810512 1851660 1885950 1924560 1968300 2011680 2036826 2057400 2138400 2165130 2221992 2263140 2309472 2314575 2405700 2468880 2499741 2514600 2624400 2715768 2743200 2777490 2828925 2886840 2962656 3017520 3055239 3086100 3149280 3207600 3332988 3352800 3394710 3464208 3608550 3621024 3703320 3771900 3849120 3936600 4073652 4114800 4166235 4330260 4443984 4526280 4629150 4811400 4937760 4999482 5029200 5092065 5248800 5412825 5431536 5554980 5657850 5773680 6035040 6110478 6172200 6415200 6665976 6789420 6928416 6943725 7217100 7406640 7543800 7873200 8147304 8229600 8332470 8486775 8660520 8887968 9052560 9165717 9258300 9622800 9998964 10058400 10184130 10825650 10863072 11109960 11315700 11547360 12220956 12344400 12498705 13331952 13578840 13887450 14434200 14813280 15087600 15276195 15746400 16294608 16664940 16973550 17321040 18105120 18331434 18516600 19245600 19997928 20368260 20831175 21651300 22219920 22631400 24441912 24688800 24997410 25460325 26663904 27157680 27497151 27774900 28868400 30175200 30552390 32589216 33329880 33947100 34642080 36662868 37033200 39995856 40736520 41662350 43302600 44439840 45262800 45828585 48883824 49994820 50920650 54315360 54994302 55549800 57736800 61104780 62493525 66659760 67894200 73325736 74066400 76380975 79991712 81473040 83324700 86605200 90525600 91657170 97767648 99989640 101841300 109988604 111099600 122209560 124987050 133319520 135788400 137485755 146651472 152761950 162946080 166649400 173210400 183314340 199979280 203682600 219977208 222199200 229142925 244419120 249974100 271576800 274971510 293302944 305523900 333298800 366628680 399958560 407365200 439954416 458285850 488838240 499948200 549943020 611047800 666597600 687428775 733257360 814730400 879908832 916571700 999896400 1099886040 1222095600 1374857550 1466514720 1833143400 1999792800 2199772080 2444191200 2749715100 3666286800 4399544160 5499430200 7332573600 10998860400 21997720800
• Sum of all divisors σ(n): 88566331392
• Sum of proper divisors (its aliquot sum) s(n): 66568610592
• 21997720800 is an abundant number, because the sum of its proper divisors (66568610592) is greater than itself. Its abundance is 44570889792

Bases of 21997720800

• Binary: 10100011111001010101001010011100000₂
• Hexadecimal: 0x51F2A94E0
• Base-36: A3SVI00

Squares and roots of 21997720800

• 21997720800 squared (21997720800²) is 483899720394752640000
• 21997720800 cubed (21997720800³) is 10644690944441834359782912000000
• The square root of 21997720800 is 148316.2863612759
• The cube root of 21997720800 is 2801.9425635555

Scales and comparisons

• 21,997,720,800 seconds is equal to 699 years, 23 weeks, 6 days, 6 hours.
• To count from 1 to 21,997,720,800 would take you about one thousand, three hundred ninety-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 21997720800 cubic inches would be around 233.5 feet tall.

Recreational maths with 21997720800

• 21997720800 backwards is 00802779912
• 21997720800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21997720800's digits is 45
• More coming soon!