121972999720
121,972,999,720 is an even composite number composed of six prime numbers multiplied together.
121972999720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 121972999720:
23 × 5 × 114 × 13 × 37 × 433
(2 × 2 × 2 × 5 × 11 × 11 × 11 × 11 × 13 × 37 × 433)See below for interesting mathematical facts about the number 121972999720 from the Numbermatics database.
Names of 121972999720
- Cardinal: 121972999720 can be written as One hundred twenty-one billion, nine hundred seventy-two million, nine hundred ninety-nine thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2197299972 × 1011
Factors of 121972999720
Divisors of 121972999720
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 4 5 8 10 11 13 20 22 26 37 40 44 52 55 65 74 88 104 110 121 130 143 148 185 220 242 260 286 296 370 407 433 440 481 484 520 572 605 715 740 814 866 962 968 1144 1210 1331 1430 1480 1573 1628 1732 1924 2035 2165 2405 2420 2662 2860 3146 3256 3464 3848 4070 4330 4477 4763 4810 4840 5291 5324 5629 5720 6292 6655 7865 8140 8660 8954 9526 9620 10582 10648 11258 12584 13310 14641 15730 16021 16280 17303 17320 17908 19052 19240 21164 22385 22516 23815 26455 26620 28145 29282 31460 32042 34606 35816 38104 42328 44770 45032 47630 49247 52393 52910 53240 56290 58201 58564 61919 62920 64084 69212 73205 80105 86515 89540 95260 98494 104786 105820 112580 116402 117128 123838 128168 138424 146410 160210 173030 176231 179080 190333 190520 196988 208273 209572 211640 225160 232804 246235 247676 261965 291005 292820 309595 320420 346060 352462 380666 393976 416546 419144 465608 492470 495352 523930 541717 576323 582010 585640 619190 640211 640840 681109 692120 704924 761332 833092 881155 951665 984940 1041365 1047860 1083434 1152646 1164020 1238380 1280422 1362218 1409848 1522664 1666184 1762310 1903330 1938541 1969880 2082730 2095720 2166868 2291003 2305292 2328040 2476760 2560844 2708585 2724436 2881615 3201055 3405545 3524620 3806660 3877082 4165460 4333736 4582006 4610584 5121688 5417170 5448872 5763230 6339553 6402110 6811090 7042321 7049240 7492199 7613320 7754164 8330920 9164012 9692705 10834340 11455015 11526460 12679106 12804220 13622180 14084642 14984398 15508328 18328024 19385410 21323951 21668680 22910030 23052920 25201033 25358212 25608440 27244360 28169284 29968796 31697765 35211605 37460995 38770820 42647902 45820060 50402066 50716424 56338568 59937592 63395530 70423210 74921990 77541640 82414189 85295804 91640120 100804132 106619755 126005165 126791060 140846420 149843980 164828378 170591608 201608264 213239510 234563461 252010330 253582120 277211363 281692840 299687960 329656756 412070945 426479020 469126922 504020660 554422726 659313512 824141890 852958040 938253844 1008041320 1108845452 1172817305 1386056815 1648283780 1876507688 2217690904 2345634610 2772113630 3049324993 3296567560 4691269220 5544227260 6098649986 9382538440 11088454520 12197299972 15246624965 24394599944 30493249930 60986499860 121972999720
- Sum of all divisors σ(n): 334660611600
- Sum of proper divisors (its aliquot sum) s(n): 212687611880
- 121972999720 is an abundant number, because the sum of its proper divisors (212687611880) is greater than itself. Its abundance is 90714612160
Bases of 121972999720
- Binary: 11100011001100010100001000110001010002
- Hexadecimal: 0x1C66284628
- Base-36: 1K17KOX4
Squares and roots of 121972999720
- 121972999720 squared (1219729997202) is 14877412660695120078400
- 121972999720 cubed (1219729997203) is 1814642650297290336328049578048000
-
The
square root of 121972999720 is 349246.3310043499 -
The
cube root of 121972999720 is 4959.3097553401
Scales and comparisons
How big is 121972999720?- 121,972,999,720 seconds is equal to 3,878 years, 18 weeks, 6 days, 12 hours, 48 minutes, 40 seconds.
-
To count from 1 to 121,972,999,720 would take you about seven thousand, seven hundred fifty-six 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 121972999720 cubic inches would be around 413.3 feet tall.
Recreational maths with 121972999720
- 121972999720 backwards is 027999279121
- The number of decimal digits it has is: 12
- The sum of 121972999720's digits is 58
- More coming soon!
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