121664426520

Names of 121664426520

• Cardinal: 121664426520 can be written as One hundred twenty-one billion, six hundred sixty-four million, four hundred twenty-six thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2166442652 × 10¹¹

Factors of 121664426520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 51404

Divisors of 121664426520

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 31 35 39 40 42 49 52 56 60 62 65 70 78 84 91 93 98 104 105 120 124 130 140 147 155 156 168 182 186 195 196 210 217 245 248 260 273 280 294 310 312 364 372 390 392 403 420 434 455 465 490 520 546 588 620 637 651 728 735 744 780 806 840 868 910 930 980 1085 1092 1176 1209 1240 1274 1302 1365 1470 1519 1560 1612 1736 1820 1860 1911 1960 2015 2170 2184 2418 2548 2604 2730 2821 2940 3038 3185 3224 3255 3640 3720 3822 4030 4340 4557 4836 5096 5208 5460 5642 5880 6045 6076 6370 6510 7595 7644 8060 8463 8680 9114 9555 9672 10920 11284 12090 12152 12740 13020 14105 15190 15288 16120 16926 18228 19110 19747 22568 22785 24180 25480 26040 28210 30380 33852 36456 38220 39494 42315 45570 48360 51343 56420 59241 60760 67704 76440 78988 84630 91140 98735 102686 112840 118482 154029 157976 169260 182280 197470 205372 236964 256715 296205 308058 338520 359401 394940 410744 473928 513430 592410 616116 667459 718802 770145 789880 1026860 1078203 1184820 1232232 1334918 1437604 1540290 1591633 1797005 2002377 2053720 2156406 2369640 2515807 2669836 2875208 3080580 3183266 3337295 3594010 4004754 4312812 4672213 4774899 5031614 5339672 5391015 6161160 6366532 6674590 7188020 7547421 7958165 8009508 8625624 9344426 9549798 10011885 10063228 10782030 11141431 12579035 12733064 13349180 14016639 14376040 15094842 15916330 16019016 18688852 19099596 20023770 20126456 20691229 21564060 22282862 23361065 23874495 25158070 26698360 28033278 30189684 31832660 32705491 33424293 37377704 37737105 38199192 40047540 41382458 43128120 44565724 46722130 47748990 50316140 55707155 56066556 60379368 62073687 63665320 65410982 66848586 70083195 75474210 77990017 80095080 82764916 89131448 93444260 95497980 98116473 100632280 103456145 111414310 112133112 124147374 130821964 133697172 140166390 144838603 150948420 155980034 163527455 165529832 167121465 186888520 190995960 196232946 206912290 222828620 233970051 248294748 261643928 267394344 280332780 289677206 301896840 310368435 311960068 327054910 334242930 389950085 392465892 413824580 434515809 445657240 467940102 490582365 496589496 560665560 579354412 620736870 623920136 654109820 668485860 724193015 779900170 784931784 827649160 869031618 935880204 981164730 1013870221 1158708824 1169850255 1241473740 1308219640 1336971720 1448386030 1559800340 1738063236 1871760408 1962329460 2027740442 2172579045 2339700510 2482947480 2896772060 3041610663 3119600680 3476126472 3924658920 4055480884 4345158090 4679401020 5069351105 5793544120 6083221326 8110961768 8690316180 9358802040 10138702210 12166442652 15208053315 17380632360 20277404420 24332885304 30416106630 40554808840 60832213260 121664426520
• Sum of all divisors σ(n): 472003338240
• Sum of proper divisors (its aliquot sum) s(n): 350338911720
• 121664426520 is an abundant number, because the sum of its proper divisors (350338911720) is greater than itself. Its abundance is 228674485200

Bases of 121664426520

• Binary: 1110001010011110000111101001000011000₂
• Hexadecimal: 0x1C53C3D218
• Base-36: 1JW3UWBC

Squares and roots of 121664426520

• 121664426520 squared (121664426520²) is 14802232680440479310400
• 121664426520 cubed (121664426520³) is 1800905150281393336293741071808000
• The square root of 121664426520 is 348804.2811090483
• The cube root of 121664426520 is 4955.1241230405

Scales and comparisons

• 121,664,426,520 seconds is equal to 3,868 years, 28 weeks, 5 days, 2 hours, 2 minutes.
• To count from 1 to 121,664,426,520 would take you about seven thousand, seven hundred thirty-seven 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 121664426520 cubic inches would be around 412.9 feet tall.

Recreational maths with 121664426520

• 121664426520 backwards is 025624466121
• 121664426520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121664426520's digits is 39
• More coming soon!