121697144640

Names of 121697144640

• Cardinal: 121697144640 can be written as One hundred twenty-one billion, six hundred ninety-seven million, one hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2169714464 × 10¹¹

Factors of 121697144640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7117

Divisors of 121697144640

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 144 149 160 164 180 192 205 240 246 288 298 320 328 360 369 410 447 480 492 576 596 615 656 720 738 745 820 894 960 984 1192 1230 1312 1341 1440 1476 1490 1640 1788 1845 1968 2235 2384 2460 2624 2682 2880 2952 2980 3280 3576 3690 3936 4470 4768 4920 5364 5904 5960 6109 6560 6705 6917 7152 7380 7872 8940 9536 9840 10728 11808 11920 12218 13120 13410 13834 14304 14760 17880 18327 19680 20751 21456 23616 23840 24436 26820 27668 28608 29520 30545 34585 35760 36654 39360 41502 42912 47680 48872 53640 54981 55336 59040 61090 62253 69170 71520 73308 83004 85824 91635 97744 103755 107280 109962 110672 118080 122180 124506 138340 143040 146616 166008 183270 195488 207510 214560 219924 221344 244360 249012 274905 276680 283597 293232 311265 332016 366540 390976 415020 429120 439848 442688 488720 498024 549810 553360 567194 586464 622530 664032 733080 830040 850791 879696 977440 996048 1030633 1099620 1106720 1134388 1172928 1245060 1328064 1417985 1466160 1660080 1701582 1759392 1954880 1992096 2061266 2199240 2213440 2268776 2490120 2552373 2835970 2932320 3091899 3320160 3403164 3518784 3984192 4122532 4253955 4398480 4537552 4980240 5104746 5153165 5671940 5864640 6183798 6640320 6806328 8245064 8507910 8796960 9075104 9275697 9960480 10209492 10306330 11343880 12367596 12761865 13612656 15459495 16490128 17015820 17593920 18150208 18551394 19920960 20418984 20612660 22687760 24735192 25523730 27225312 30918990 32980256 34031640 37102788 40837968 41225320 42255953 45375520 46378485 49470384 51047460 54450624 61837980 65960512 68063280 74205576 81675936 82450640 84511906 90751040 92756970 98940768 102094920 123675960 126767859 136126560 148411152 163351872 164901280 169023812 185513940 197881536 204189840 211279765 247351920 253535718 272253120 296822304 329802560 338047624 371027880 380303577 408379680 422559530 494703840 507071436 593644608 633839295 676095248 742055760 760607154 816759360 845119060 989407680 1014142872 1267678590 1352190496 1484111520 1521214308 1690238120 1901517885 2028285744 2535357180 2704380992 2968223040 3042428616 3380476240 3803035770 4056571488 5070714360 6084857232 6760952480 7606071540 8113142976 10141428720 12169714464 13521904960 15212143080 20282857440 24339428928 30424286160 40565714880 60848572320 121697144640
• Sum of all divisors σ(n): 431737160400
• Sum of proper divisors (its aliquot sum) s(n): 310040015760
• 121697144640 is an abundant number, because the sum of its proper divisors (310040015760) is greater than itself. Its abundance is 188342871120

Bases of 121697144640

• Binary: 1110001010101101101110000111101000000₂
• Hexadecimal: 0x1C55B70F40
• Base-36: 1JWNC5S0

Squares and roots of 121697144640

• 121697144640 squared (121697144640²) is 14810195013529080729600
• 121697144640 cubed (121697144640³) is 1802358444708055294396367929344000
• The square root of 121697144640 is 348851.1783554701
• The cube root of 121697144640 is 4955.5682622185

Scales and comparisons

• 121,697,144,640 seconds is equal to 3,869 years, 30 weeks, 5 days, 18 hours, 24 minutes.
• To count from 1 to 121,697,144,640 would take you about seven thousand, seven hundred thirty-nine 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 121697144640 cubic inches would be around 413 feet tall.

Recreational maths with 121697144640

• 121697144640 backwards is 046441796121
• 121697144640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121697144640's digits is 45
• More coming soon!