1221007154673920

Names of 1221007154673920

• Cardinal: 1221007154673920 can be written as One quadrillion, two hundred twenty-one trillion, seven billion, one hundred fifty-four million, six hundred seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.22100715467392 × 10¹⁵

Factors of 1221007154673920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 162427

Divisors of 1221007154673920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 41 47 64 80 82 94 128 160 164 188 205 235 256 320 328 376 410 470 640 656 752 820 940 1280 1312 1504 1640 1880 1927 2624 3008 3109 3280 3760 3854 5248 6016 6218 6560 7520 7708 9635 10496 12032 12436 13120 15040 15416 15545 19270 24872 26240 30080 30832 31090 38540 49744 52480 60160 61664 62180 77080 99488 123328 124360 127469 146123 154160 159223 198976 246656 248720 254938 292246 308320 318446 397952 493312 497440 509876 584492 616640 636892 637345 730615 795904 796115 994880 1019752 1168984 1233280 1273784 1274690 1461230 1592230 1989760 2039504 2337968 2466560 2547568 2549380 2922460 3184460 3979520 4079008 4675936 5095136 5098760 5844920 5991043 6368920 6528143 7483481 8158016 9351872 10190272 10197520 11689840 11982086 12737840 13056286 14966962 16316032 18703744 20380544 20395040 23379680 23964172 25475680 26112572 29933924 29955215 32632064 32640715 37407488 37417405 40761088 40790080 46759360 47928344 50951360 52225144 59867848 59910430 65281430 74834810 81580160 93518720 95856688 101902720 104450288 119735696 119820860 130562860 149669620 163160320 187037440 191713376 203805440 208900576 239471392 239641720 261125720 299339240 306822721 383426752 417801152 478942784 479283440 495024307 522251440 598678480 613645442 766853504 835602304 957885568 958566880 990048614 1044502880 1197356960 1227290884 1533707008 1534113605 1671204608 1915771136 1917133760 1980097228 2089005760 2394713920 2454581768 2475121535 3068227210 3834267520 3960194456 4178011520 4789427840 4909163536 4950243070 6136454420 7668535040 7920388912 8356023040 9578855680 9818327072 9900486140 12272908840 15840777824 19636654144 19800972280 20295996587 23266142429 24545817680 31681555648 39273308288 39601944560 40591993174 46532284858 49091635360 63363111296 78546616576 79203889120 81183986348 93064569716 98183270720 101479982935 116330712145 126726222592 158407778240 162367972696 186129139432 196366541440 202959965870 232661424290 316815556480 324735945392 372258278864 392733082880 405919931740 465322848580 633631112960 649471890784 744516557728 811839863480 930645697160 953911839589 1298943781568 1489033115456 1623679726960 1861291394320 1907823679178 2597887563136 2978066230912 3247359453920 3722582788640 3815647358356 4769559197945 5195775126272 5956132461824 6494718907840 7445165577280 7631294716712 9539118395890 12989437815680 14890331154560 15262589433424 19078236791780 25978875631360 29780662309120 30525178866848 38156473583560 61050357733696 76312947167120 122100715467392 152625894334240 244201430934784 305251788668480 610503577336960 1221007154673920
• Sum of all divisors σ(n): 3060776352291840
• Sum of proper divisors (its aliquot sum) s(n): 1839769197617920
• 1221007154673920 is an abundant number, because the sum of its proper divisors (1839769197617920) is greater than itself. Its abundance is 618762042944000

Bases of 1221007154673920

• Binary: 100010101100111111111100001101110001111100100000000₂
• Hexadecimal: 0x4567FE1B8F900
• Base-36: C0T6XYF7CW

Squares and roots of 1221007154673920

• 1221007154673920 squared (1221007154673920²) is 1490858471764901998901528166400
• 1221007154673920 cubed (1221007154673920³) is 1820348860631171688059468787806620287500288000
• The square root of 1221007154673920 is 34942912.7960723961
• The cube root of 1221007154673920 is 106882.3686079789

Scales and comparisons

• 1,221,007,154,673,920 seconds is equal to 38,824,250 years, 36 weeks, 1 day, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 1,221,007,154,673,920 would take you about one hundred sixteen million, four hundred seventy-two thousand, seven hundred fifty-two 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 1221007154673920 cubic inches would be around 8906.9 feet tall.

Recreational maths with 1221007154673920

• 1221007154673920 backwards is 0293764517001221
• The number of decimal digits it has is: 16
• The sum of 1221007154673920's digits is 50
• More coming soon!