121898189940
121,898,189,940 is an even composite number composed of six prime numbers multiplied together.
121898189940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 121898189940:
22 × 3 × 5 × 292 × 1072 × 211
(2 × 2 × 3 × 5 × 29 × 29 × 107 × 107 × 211)See below for interesting mathematical facts about the number 121898189940 from the Numbermatics database.
Names of 121898189940
- Cardinal: 121898189940 can be written as One hundred twenty-one billion, eight hundred ninety-eight million, one hundred eighty-nine thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.2189818994 × 1011
Factors of 121898189940
Divisors of 121898189940
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 107 116 145 174 211 214 290 321 348 422 428 435 535 580 633 642 841 844 870 1055 1070 1266 1284 1605 1682 1740 2110 2140 2523 2532 3103 3165 3210 3364 4205 4220 5046 6119 6206 6330 6420 8410 9309 10092 11449 12238 12412 12615 12660 15515 16820 18357 18618 22577 22898 24476 25230 30595 31030 34347 36714 37236 45154 45796 46545 50460 57245 61190 62060 67731 68694 73428 89987 90308 91785 93090 112885 114490 122380 135462 137388 171735 177451 179974 183570 186180 225770 228980 269961 270924 332021 338655 343470 354902 359948 367140 449935 451540 532353 539922 654733 664042 677310 686940 709804 887255 899870 996063 1064706 1079844 1309466 1328084 1349805 1354620 1660105 1774510 1799740 1964199 1992126 2129412 2415739 2618932 2661765 2699610 3273665 3320210 3549020 3928398 3984252 4831478 4980315 5323530 5399220 6547330 6640420 7247217 7856796 9628609 9662956 9820995 9960630 10647060 12078695 13094660 14494434 18987257 19257218 19641990 19921260 24157390 28885827 28988868 36236085 37974514 38514436 39283980 48143045 48314780 56961771 57771654 70056431 72472170 75949028 94936285 96286090 113923542 115543308 140112862 144429135 144944340 189872570 192572180 210169293 227847084 280225724 284808855 288858270 350282155 379745140 420338586 569617710 577716540 700564310 840677172 1050846465 1139235420 1401128620 2031636499 2101692930 4063272998 4203385860 6094909497 8126545996 10158182495 12189818994 20316364990 24379637988 30474547485 40632729980 60949094970 121898189940
- Sum of all divisors σ(n): 358515891552
- Sum of proper divisors (its aliquot sum) s(n): 236617701612
- 121898189940 is an abundant number, because the sum of its proper divisors (236617701612) is greater than itself. Its abundance is 114719511672
Bases of 121898189940
- Binary: 11100011000011011001011000100011101002
- Hexadecimal: 0x1C61B2C474
- Base-36: 1JZZ19BO
Squares and roots of 121898189940
- 121898189940 squared (1218981899402) is 14859168710648317203600
- 121898189940 cubed (1218981899403) is 1811305769841113471025802451784000
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The
square root of 121898189940 is 349139.2128363701 -
The
cube root of 121898189940 is 4958.2956490817
Scales and comparisons
How big is 121898189940?- 121,898,189,940 seconds is equal to 3,875 years, 51 weeks, 1 day, 16 hours, 19 minutes.
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To count from 1 to 121,898,189,940 would take you about seven thousand, seven hundred fifty-one 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 121898189940 cubic inches would be around 413.2 feet tall.
Recreational maths with 121898189940
- 121898189940 backwards is 049981898121
- 121898189940 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 121898189940's digits is 60
- More coming soon!
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