12381644340

Names of 12381644340

• Cardinal: 12381644340 can be written as Twelve billion, three hundred eighty-one million, six hundred forty-four thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.238164434 × 10¹⁰

Factors of 12381644340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 399

Divisors of 12381644340

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 27 30 34 36 39 45 51 52 54 60 65 68 78 85 90 102 108 117 130 135 153 156 170 180 195 204 221 234 255 260 270 289 306 340 351 359 390 442 459 468 510 540 578 585 612 663 702 718 765 780 867 884 918 1020 1077 1105 1156 1170 1326 1404 1436 1445 1530 1734 1755 1795 1836 1989 2154 2210 2295 2340 2601 2652 2890 3060 3231 3315 3468 3510 3590 3757 3978 4308 4335 4420 4590 4667 4913 5202 5385 5780 5967 6103 6462 6630 7020 7180 7514 7803 7956 8670 9180 9334 9693 9826 9945 10404 10770 11271 11934 12206 12924 13005 13260 14001 14739 15028 15606 16155 17340 18309 18668 18785 19386 19652 19890 21540 22542 23335 23868 24412 24565 26010 28002 29478 29835 30515 31212 32310 33813 36618 37570 38772 39015 39780 42003 44217 45084 46670 48465 49130 52020 54927 56004 56355 58956 59670 61030 63869 64620 67626 70005 73236 73695 75140 78030 79339 84006 88434 91545 93340 96930 98260 101439 103751 109854 112710 119340 122060 126009 127738 132651 135252 140010 147390 156060 158678 164781 168012 169065 176868 183090 191607 193860 202878 207502 210015 219708 221085 225420 238017 252018 255476 265302 274635 280020 294780 311253 317356 319345 329562 338130 366180 383214 396695 405756 415004 420030 442170 476034 504036 507195 518755 530604 549270 574821 622506 630045 638690 659124 663255 676260 714051 766428 793390 823905 840060 884340 933759 952068 958035 1014390 1037510 1098540 1149642 1190085 1245012 1260090 1277380 1326510 1348763 1428102 1556265 1586780 1647810 1724463 1763767 1867518 1916070 2028780 2075020 2142153 2299284 2380170 2520180 2653020 2697526 2801277 2856204 2874105 3112530 3295620 3448926 3527534 3570255 3735036 3832140 4046289 4284306 4668795 4760340 5291301 5395052 5602554 5748210 6225060 6743815 6897852 7055068 7140510 8092578 8568612 8622315 8818835 9337590 10582602 10710765 11205108 11496420 12138867 13487630 14006385 14281020 15873903 16185156 17244630 17637670 18675180 20231445 21165204 21421530 22928971 24277734 26456505 26975260 28012770 31747806 34489260 35275340 36416601 40462890 42843060 45857942 47621709 48555468 52913010 56025540 60694335 63495612 68786913 72833202 79369515 80925780 91715884 95243418 105826020 114644855 121388670 137573826 145666404 158739030 182083005 190486836 206360739 229289710 238108545 242777340 275147652 317478060 343934565 364166010 412721478 458579420 476217090 619082217 687869130 728332020 825442956 952434180 1031803695 1238164434 1375738260 2063607390 2476328868 3095411085 4127214780 6190822170 12381644340
• Sum of all divisors σ(n): 44198784000
• Sum of proper divisors (its aliquot sum) s(n): 31817139660
• 12381644340 is an abundant number, because the sum of its proper divisors (31817139660) is greater than itself. Its abundance is 19435495320

Bases of 12381644340

• Binary: 1011100010000000001110011000110100₂
• Hexadecimal: 0x2E200E634
• Base-36: 5ORPLX0

Squares and roots of 12381644340

• 12381644340 squared (12381644340²) is 153305116562254035600
• 12381644340 cubed (12381644340³) is 1898169428776072937528898504000
• The square root of 12381644340 is 111272.8373863091
• The cube root of 12381644340 is 2313.4463988585

Scales and comparisons

• 12,381,644,340 seconds is equal to 393 years, 36 weeks, 2 days, 1 hour, 39 minutes.
• To count from 1 to 12,381,644,340 would take you about seven hundred eighty-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 12381644340 cubic inches would be around 192.8 feet tall.

Recreational maths with 12381644340

• 12381644340 backwards is 04344618321
• 12381644340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12381644340's digits is 36
• More coming soon!