21551371473920

Names of 21551371473920

• Cardinal: 21551371473920 can be written as Twenty-one trillion, five hundred fifty-one billion, three hundred seventy-one million, four hundred seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.155137147392 × 10¹³

Factors of 21551371473920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 305

Divisors of 21551371473920

• Number of divisors d(n): 1408
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 23 29 32 34 40 43 46 58 64 68 80 85 86 89 92 97 115 116 128 136 145 160 170 172 178 184 194 215 230 232 256 272 290 320 340 344 356 368 388 391 430 445 460 464 485 493 512 544 580 640 667 680 688 712 731 736 776 782 860 890 920 928 970 986 989 1024 1088 1160 1247 1280 1334 1360 1376 1424 1462 1472 1513 1552 1564 1649 1720 1780 1840 1856 1940 1955 1972 1978 2047 2176 2231 2320 2465 2494 2560 2581 2668 2720 2752 2813 2848 2924 2944 3026 3104 3128 3298 3335 3440 3560 3655 3680 3712 3827 3880 3910 3944 3956 4094 4171 4352 4462 4640 4930 4945 4988 5120 5162 5336 5440 5504 5626 5696 5848 5888 6052 6208 6235 6256 6596 6670 6880 7120 7310 7360 7424 7565 7654 7760 7820 7888 7912 8188 8245 8342 8633 8704 8924 9280 9860 9890 9976 10235 10324 10672 10880 11008 11155 11252 11339 11392 11696 11776 12104 12416 12470 12512 12905 13192 13340 13760 14065 14240 14620 14720 14848 15130 15308 15520 15640 15776 15824 16376 16490 16684 16813 17266 17408 17848 18560 19135 19720 19780 19952 20470 20648 20855 21199 21344 21760 22016 22310 22504 22678 22784 23392 23552 24208 24832 24940 25024 25810 26384 26680 27520 28130 28480 28681 29240 29440 29696 30260 30616 31040 31280 31552 31648 32752 32980 33368 33626 34532 34799 35696 37120 37927 38270 39440 39560 39904 40940 41296 41710 42398 42688 43165 43520 43877 44032 44620 45008 45356 45568 46784 47821 48416 49664 49880 50048 51620 52768 53360 55040 56260 56695 56960 57362 58480 58880 59363 60520 61232 62080 62560 63104 63296 64699 65059 65504 65960 66736 67252 69064 69598 70907 71392 74240 75854 76540 78880 79120 79808 81880 82592 83420 84065 84796 85376 86330 87040 87754 88021 89240 90016 90712 91136 93568 95642 95933 96832 99328 99760 100096 103240 105536 105995 106720 110080 110983 112520 113390 113920 114724 116960 117760 118726 120959 121040 122464 124160 125120 126208 126592 129398 130118 131008 131920 133472 134504 138128 139196 141814 142784 143405 146761 148480 151708 153080 157760 158240 159616 163760 165184 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1033391104 1043751040 1052827136 1080160960 1089553664 1092868736 1126280192 1161173032 1207495040 1238015365 1248197120 1281827840 1291738880 1306935808 1316033920 1361942080 1366085920 1377964928 1388619296 1407850240 1424413184 1451466290 1464087736 1474102016 1513439008 1532269568 1566233392 1615545088 1633669760 1670001664 1722456160 1728257536 1735774120 1780516480 1830109670 1842627520 1891798760 1900641280 1915336960 1931992064 1957791740 1980824584 2019431360 2087502080 2105654272 2160321920 2179107328 2185737472 2322346064 2414990080 2476030730 2496394240 2583477760 2613871616 2632067840 2723884160 2732171840 2755929856 2777238592 2815700480 2848826368 2902932580 2928175472 2948204032 3026878016 3132466784 3231090176 3267339520 3444912320 3456515072 3471548240 3561032960 3660219340 3685255040 3783597520 3830673920 3915583480 3961649168 4038862720 4175004160 4209252241 4320643840 4358214656 4371474944 4644692128 4829980160 4952061460 5166955520 5264135680 5447768320 5464343680 5511859712 5554477184 5631400960 5805865160 5856350944 5896408064 6053756032 6264933568 6462180352 6534679040 6889824640 6943096480 7122065920 7320438680 7370510080 7567195040 7661347840 7831166960 7923298336 8077725440 8350008320 8418504482 8641287680 8742949888 9289384256 9659960320 9904122920 10528271360 10895536640 10928687360 11023719424 11108954368 11611730320 11712701888 12107512064 12529867136 13069358080 13779649280 13886192960 14244131840 14640877360 14741020160 15134390080 15662333920 15846596672 16155450880 16837008964 17282575360 18578768512 19808245840 21046261205 21791073280 21857374720 22217908736 23223460640 23425403776 24215024128 25059734272 27559298560 27772385920 29281754720 29482040320 30268780160 31324667840 31693193344 32310901760 33674017928 37157537024 39616491680 42092522410 43714749440 44435817472 46446921280 46850807552 48430048256 50119468544 55118597120 55544771840 58563509440 60537560320 62649335680 63386386688 67348035856 74315074048 79232983360 84185044820 92893842560 93701615104 100238937088 111089543680 117127018880 121075120640 125298671360 126772773376 134696071712 148630148096 158465966720 168370089640 185787685120 187403230208 222179087360 234254037760 242150241280 250597342720 253545546752 269392143424 316931933440 336740179280 371575370240 468508075520 501194685440 538784286848 633863866880 673480358560 743150740480 937016151040 1077568573696 1267727733760 1346960717120 2155137147392 2693921434240 4310274294784 5387842868480 10775685736960 21551371473920
• Sum of all divisors σ(n): 61772525337600
• Sum of proper divisors (its aliquot sum) s(n): 40221153863680
• 21551371473920 is an abundant number, because the sum of its proper divisors (40221153863680) is greater than itself. Its abundance is 18669782389760

Bases of 21551371473920

• Binary: 100111001100111010001110101110101010000000000₂
• Hexadecimal: 0x1399D1D75400
• Base-36: 7N0KA4VSW

Squares and roots of 21551371473920

• 21551371473920 squared (21551371473920²) is 464461612406892713240166400
• 21551371473920 cubed (21551371473920³) is 10009784744356795172110032846914060288000
• The square root of 21551371473920 is 4642345.4711944909
• The cube root of 21551371473920 is 27828.6178886765

Scales and comparisons

• 21,551,371,473,920 seconds is equal to 685,266 years, 49 weeks, 2 days, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,551,371,473,920 would take you about one million, seven hundred thirteen thousand, one hundred sixty-seven 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 21551371473920 cubic inches would be around 2319.1 feet tall.

Recreational maths with 21551371473920

• 21551371473920 backwards is 02937417315512
• The number of decimal digits it has is: 14
• The sum of 21551371473920's digits is 50
• More coming soon!