121218797440

Names of 121218797440

• Cardinal: 121218797440 can be written as One hundred twenty-one billion, two hundred eighteen million, seven hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2121879744 × 10¹¹

Factors of 121218797440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1525

Divisors of 121218797440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 89 104 127 128 130 160 178 208 254 260 320 356 416 445 508 520 635 640 712 832 890 1016 1040 1157 1270 1289 1424 1651 1664 1780 2032 2080 2314 2540 2578 2848 3302 3560 4064 4160 4628 5080 5156 5696 5785 6445 6604 7120 8128 8255 8320 9256 10160 10312 11303 11392 11570 12890 13208 14240 16256 16510 16757 18512 20320 20624 22606 23140 25780 26416 28480 33020 33514 37024 40640 41248 45212 46280 51560 52832 56515 56960 66040 67028 74048 81280 82496 83785 90424 92560 103120 105664 113030 114721 132080 134056 146939 148096 163703 164992 167570 180848 185120 206240 211328 226060 229442 264160 268112 293878 327406 335140 361696 370240 412480 452120 458884 528320 536224 573605 587756 654812 670280 723392 734695 740480 818515 824960 904240 917768 1056640 1072448 1147210 1175512 1309624 1340560 1446784 1469390 1491373 1637030 1808480 1835536 2128139 2144896 2294420 2351024 2619248 2681120 2938780 2982746 3274060 3616960 3671072 4256278 4588840 4702048 5238496 5362240 5877560 5965492 6548120 7233920 7342144 7456865 8512556 9177680 9404096 10476992 10640695 10724480 11755120 11930984 13096240 14569567 14684288 14913730 17025112 18355360 18808192 20953984 21281390 23510240 23861968 26192480 29139134 29827460 34050224 36710720 42562780 47020480 47723936 52384960 58278268 59654920 68100448 72847835 73421440 85125560 94040960 95447872 104769920 116556536 119309840 136200896 145695670 170251120 189404371 190895744 233113072 238619680 272401792 291391340 340502240 378808742 466226144 477239360 582782680 681004480 757617484 932452288 947021855 954478720 1165565360 1362008960 1515234968 1864904576 1894043710 2331130720 3030469936 3788087420 4662261440 6060939872 7576174840 9324522880 12121879744 15152349680 24243759488 30304699360 60609398720 121218797440
• Sum of all divisors σ(n): 318318336000
• Sum of proper divisors (its aliquot sum) s(n): 197099538560
• 121218797440 is an abundant number, because the sum of its proper divisors (197099538560) is greater than itself. Its abundance is 75880741120

Bases of 121218797440

• Binary: 1110000111001001101000000111110000000₂
• Hexadecimal: 0x1C39340F80
• Base-36: 1JOQJIPS

Squares and roots of 121218797440

• 121218797440 squared (121218797440²) is 14693996852799750553600
• 121218797440 cubed (121218797440³) is 1781188628083530459239366262784000
• The square root of 121218797440 is 348164.8997816983
• The cube root of 121218797440 is 4949.0668912837

Scales and comparisons

• 121,218,797,440 seconds is equal to 3,854 years, 19 weeks, 6 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 121,218,797,440 would take you about seven thousand, seven hundred 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 121218797440 cubic inches would be around 412.4 feet tall.

Recreational maths with 121218797440

• 121218797440 backwards is 044797812121
• The number of decimal digits it has is: 12
• The sum of 121218797440's digits is 46
• More coming soon!