1221947857920

Names of 1221947857920

• Cardinal: 1221947857920 can be written as One trillion, two hundred twenty-one billion, nine hundred forty-seven million, eight hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.22194785792 × 10¹²

Factors of 1221947857920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2001

Divisors of 1221947857920

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 151 160 170 192 204 240 255 256 272 289 302 320 340 384 408 453 480 510 512 544 578 604 640 680 755 768 816 867 906 960 1020 1024 1088 1156 1208 1280 1360 1445 1510 1536 1632 1734 1812 1823 1920 2040 2176 2265 2312 2416 2560 2567 2720 2890 3020 3072 3264 3468 3624 3646 3840 4080 4335 4352 4530 4624 4832 5120 5134 5440 5469 5780 6040 6528 6936 7248 7292 7680 7701 8160 8670 8704 9060 9115 9248 9664 10268 10880 10938 11560 12080 12835 13056 13872 14496 14584 15360 15402 16320 17340 17408 18120 18230 18496 19328 20536 21760 21876 23120 24160 25670 26112 27345 27744 28992 29168 30804 30991 32640 34680 36240 36460 36992 38505 38656 41072 43520 43639 43752 46240 48320 51340 52224 54690 55488 57984 58336 61608 61982 65280 69360 72480 72920 73984 77010 77312 82144 87040 87278 87504 92480 92973 96640 102680 109380 110976 115968 116672 123216 123964 130560 130917 138720 144960 145840 147968 154020 154624 154955 164288 174556 175008 184960 185946 193280 205360 218195 218760 221952 231936 233344 246432 247928 261120 261834 275273 277440 289920 291680 295936 308040 309910 328576 349112 350016 369920 371892 386560 410720 436390 437520 443904 463872 464865 466688 492864 495856 523668 526847 550546 554880 579840 583360 616080 619820 654585 657152 698224 700032 739840 743784 773120 821440 825819 872780 875040 887808 929730 933376 985728 991712 1047336 1053694 1101092 1109760 1159680 1166720 1232160 1239640 1309170 1314304 1376365 1396448 1400064 1479680 1487568 1580541 1642880 1651638 1745560 1750080 1859460 1866752 1971456 1983424 2094672 2107388 2202184 2219520 2319360 2333440 2464320 2479280 2618340 2628608 2634235 2752730 2792896 2800128 2975136 3161082 3285760 3303276 3491120 3500160 3718920 3942912 3966848 4129095 4189344 4214776 4404368 4439040 4666880 4679641 4928640 4958560 5236680 5268470 5505460 5585792 5600256 5950272 6322164 6571520 6606552 6982240 7000320 7437840 7885824 7902705 7933696 8258190 8378688 8429552 8808736 9333760 9359282 9857280 9917120 10473360 10536940 11010920 11171584 11900544 12644328 13143040 13213104 13964480 14000640 14038923 14875680 15805410 15867392 16516380 16757376 16859104 17617472 18718564 19714560 19834240 20946720 21073880 22021840 22343168 23398205 23801088 25288656 26426208 27928960 28001280 28077846 29751360 31610820 31734784 33032760 33514752 33718208 35234944 37437128 39429120 39668480 41893440 42147760 44043680 44686336 46796410 47602176 50577312 52852416 55857920 56155692 59502720 63221640 66065520 67029504 67436416 70194615 70469888 74874256 79336960 79553897 83786880 84295520 88087360 93592820 95204352 101154624 105704832 111715840 112311384 119005440 126443280 132131040 134059008 134872832 140389230 140939776 149748512 158673920 159107794 167573760 168591040 176174720 187185640 202309248 211409664 223431680 224622768 238010880 238661691 252886560 264262080 269745664 280778460 281879552 299497024 318215588 335147520 337182080 352349440 374371280 397769485 404618496 422819328 449245536 476021760 477323382 505773120 528524160 539491328 561556920 598994048 636431176 670295040 674364160 704698880 748742560 795538970 809236992 845638656 898491072 954646764 1011546240 1057048320 1123113840 1193308455 1197988096 1272862352 1348728320 1409397760 1497485120 1591077940 1618473984 1796982144 1909293528 2023092480 2114096640 2246227680 2386616910 2395976192 2545724704 2697456640 2994970240 3182155880 3593964288 3818587056 4046184960 4228193280 4492455360 4773233820 4791952384 5091449408 5989940480 6364311760 7187928576 7637174112 8092369920 8984910720 9546467640 10182898816 11979880960 12728623520 14375857152 15274348224 17969821440 19092935280 20365797632 23959761920 25457247040 30548696448 35939642880 38185870560 40731595264 50914494080 61097392896 71879285760 76371741120 81463190528 101828988160 122194785792 152743482240 203657976320 244389571584 305486964480 407315952640 610973928960 1221947857920
• Sum of all divisors σ(n): 4181536401408
• Sum of proper divisors (its aliquot sum) s(n): 2959588543488
• 1221947857920 is an abundant number, because the sum of its proper divisors (2959588543488) is greater than itself. Its abundance is 1737640685568

Bases of 1221947857920

• Binary: 10001110010000001110001001001110000000000₂
• Hexadecimal: 0x11C81C49C00
• Base-36: FLCS7DHC

Squares and roots of 1221947857920

• 1221947857920 squared (1221947857920²) is 1493156567475276506726400
• 1221947857920 cubed (1221947857920³) is 1824559469165594069954024951513088000
• The square root of 1221947857920 is 1105417.5038961525
• The cube root of 1221947857920 is 10690.9810101893

Scales and comparisons

• 1,221,947,857,920 seconds is equal to 38,854 years, 8 weeks, 3 days, 32 minutes.
• To count from 1 to 1,221,947,857,920 would take you about ninety-seven thousand, one 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 1221947857920 cubic inches would be around 890.9 feet tall.

Recreational maths with 1221947857920

• 1221947857920 backwards is 0297587491221
• The number of decimal digits it has is: 13
• The sum of 1221947857920's digits is 57
• More coming soon!