20997100800

Names of 20997100800

• Cardinal: 20997100800 can be written as Twenty billion, nine hundred ninety-seven million, one hundred thousand, eight hundred.

Scientific notation

• Scientific notation: 2.09971008 × 10¹⁰

Factors of 20997100800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 742

Divisors of 20997100800

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 45 48 50 52 54 60 64 65 72 75 78 80 90 96 100 104 108 117 120 128 130 135 144 150 156 160 169 180 192 195 200 208 216 225 234 240 256 260 270 288 300 312 320 325 338 351 360 384 390 400 416 432 450 468 480 507 520 540 576 585 600 624 640 650 675 676 702 719 720 768 780 800 832 845 864 900 936 960 975 1014 1040 1080 1152 1170 1200 1248 1280 1300 1350 1352 1404 1438 1440 1521 1560 1600 1664 1690 1728 1755 1800 1872 1920 1950 2028 2080 2157 2160 2304 2340 2400 2496 2535 2600 2700 2704 2808 2876 2880 2925 3042 3120 3200 3328 3380 3456 3510 3595 3600 3744 3840 3900 4056 4160 4225 4314 4320 4563 4680 4800 4992 5070 5200 5400 5408 5616 5752 5760 5850 6084 6240 6400 6471 6760 6912 7020 7190 7200 7488 7605 7800 8112 8320 8450 8628 8640 8775 9126 9347 9360 9600 9984 10140 10400 10785 10800 10816 11232 11504 11520 11700 12168 12480 12675 12942 13520 14040 14380 14400 14976 15210 15600 16224 16640 16900 17256 17280 17550 17975 18252 18694 18720 19200 19413 20280 20800 21570 21600 21632 22464 22815 23008 23400 24336 24960 25350 25884 27040 28041 28080 28760 28800 29952 30420 31200 32355 32448 33800 34512 34560 35100 35950 36504 37388 37440 38025 38826 40560 41600 43140 43200 43264 44928 45630 46016 46735 46800 48672 49920 50700 51768 53925 54080 56082 56160 57520 57600 60840 62400 64710 64896 67600 69024 70200 71900 73008 74776 74880 76050 77652 81120 83200 84123 86280 86400 89856 91260 92032 93470 93600 97065 97344 101400 103536 107850 108160 112164 112320 114075 115040 121511 121680 124800 129420 129792 135200 138048 140205 140400 143800 146016 149552 149760 152100 155304 161775 162240 168246 172560 172800 182520 184064 186940 187200 194130 194688 202800 207072 215700 216320 224328 224640 228150 230080 233675 243022 243360 249600 252369 258840 270400 276096 280410 280800 287600 292032 299104 304200 310608 323550 324480 336492 345120 364533 365040 373880 374400 388260 389376 405600 414144 420615 431400 448656 449280 456300 460160 467350 485325 486044 486720 504738 517680 540800 552192 560820 561600 575200 584064 598208 607555 608400 621216 647100 648960 672984 690240 701025 729066 730080 747760 748800 776520 811200 828288 841230 862800 897312 912600 920320 934700 970650 972088 973440 1009476 1035360 1081600 1093599 1121640 1123200 1150400 1168128 1196416 1215110 1216800 1242432 1261845 1294200 1345968 1380480 1402050 1458132 1460160 1495520 1553040 1622400 1656576 1682460 1725600 1794624 1822665 1825200 1869400 1941300 1944176 1946880 2018952 2070720 2103075 2187198 2243280 2246400 2300800 2392832 2430220 2433600 2484864 2523690 2588400 2691936 2760960 2804100 2916264 2920320 2991040 3037775 3106080 3244800 3280797 3364920 3451200 3589248 3645330 3650400 3738800 3882600 3888352 4037904 4141440 4206150 4374396 4486560 4601600 4860440 4867200 4969728 5047380 5176800 5383872 5467995 5608200 5832528 5840640 5982080 6075550 6212160 6309225 6561594 6729840 6902400 7178496 7290660 7300800 7477600 7765200 7776704 8075808 8282880 8412300 8748792 8973120 9113325 9720880 9734400 10094760 10353600 10767744 10935990 11216400 11665056 11964160 12151100 12424320 12618450 13123188 13459680 13804800 14581320 14601600 14955200 15530400 15553408 16151616 16403985 16824600 17497584 17946240 18226650 19441760 20189520 20707200 21535488 21871980 22432800 23330112 24302200 24848640 25236900 26246376 26919360 27339975 29162640 29203200 29910400 31060800 31106816 32303232 32807970 33649200 34995168 35892480 36453300 38883520 40379040 41414400 43743960 44865600 46660224 48604400 50473800 52492752 53838720 54679950 58325280 59820800 62121600 64606464 65615940 67298400 69990336 72906600 77767040 80758080 82019925 87487920 89731200 93320448 97208800 100947600 104985504 107677440 109359900 116650560 124243200 131231880 134596800 139980672 145813200 155534080 161516160 164039850 174975840 179462400 194417600 201895200 209971008 218719800 233301120 262463760 269193600 279961344 291626400 323032320 328079700 349951680 388835200 403790400 419942016 437439600 466602240 524927520 538387200 583252800 656159400 699903360 777670400 807580800 839884032 874879200 1049855040 1166505600 1312318800 1399806720 1615161600 1749758400 2099710080 2333011200 2624637600 3499516800 4199420160 5249275200 6999033600 10498550400 20997100800
• Sum of all divisors σ(n): 83488406400
• Sum of proper divisors (its aliquot sum) s(n): 62491305600
• 20997100800 is an abundant number, because the sum of its proper divisors (62491305600) is greater than itself. Its abundance is 41494204800

Bases of 20997100800

• Binary: 10011100011100001100101010100000000₂
• Hexadecimal: 0x4E3865500
• Base-36: 9N94QO0

Squares and roots of 20997100800

• 20997100800 squared (20997100800²) is 440878242005360640000
• 20997100800 cubed (20997100800³) is 9257164887913351498432512000000
• The square root of 20997100800 is 144903.7639262693
• The cube root of 20997100800 is 2758.7972074751

Scales and comparisons

• 20,997,100,800 seconds is equal to 667 years, 33 weeks, 3 days.
• To count from 1 to 20,997,100,800 would take you about one thousand, three hundred thirty-five 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 20997100800 cubic inches would be around 229.9 feet tall.

Recreational maths with 20997100800

• 20997100800 backwards is 00800179902
• 20997100800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20997100800's digits is 36
• More coming soon!