164921521380

Names of 164921521380

• Cardinal: 164921521380 can be written as One hundred sixty-four billion, nine hundred twenty-one million, five hundred twenty-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.6492152138 × 10¹¹

Factors of 164921521380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6352

Divisors of 164921521380

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 47 55 60 66 70 77 84 94 105 110 121 132 140 141 154 165 188 210 220 231 235 242 282 308 329 330 363 385 420 462 470 484 517 564 605 658 660 705 726 770 847 924 940 987 1034 1155 1210 1316 1331 1410 1452 1540 1551 1645 1694 1815 1974 2068 2310 2420 2541 2585 2662 2820 3102 3290 3388 3619 3630 3948 3993 4235 4620 4935 5082 5170 5324 5687 6204 6277 6580 6655 7238 7260 7755 7986 8470 9317 9870 10164 10340 10857 11374 12554 12705 13310 14476 15510 15972 16940 17061 18095 18634 18831 19740 19965 21714 22748 25108 25410 26620 27951 28435 31020 31385 34122 36190 37268 37662 39809 39930 43428 43939 46585 50820 54285 55902 56870 62557 62770 68244 69047 72380 75324 79618 79860 85305 87878 93170 94155 108570 111804 113740 119427 125114 125540 131817 138094 139755 159236 170610 175756 186340 187671 188310 199045 207141 217140 219695 238854 250228 263634 276188 279510 295019 312785 341220 345235 375342 376620 398090 414282 437899 439390 477708 483329 527268 559020 590038 597135 625570 659085 690470 750684 759517 796180 828564 875798 878780 885057 938355 966658 1035705 1180076 1194270 1251140 1313697 1318170 1380940 1449987 1475095 1519034 1751596 1770114 1876710 1933316 2065133 2071410 2189495 2278551 2388540 2416645 2627394 2636340 2899974 2950190 3038068 3245209 3540228 3753420 3797585 4130266 4142820 4378990 4425285 4557102 4833290 5254788 5316619 5799948 5900380 6195399 6490418 6568485 7249935 7595170 8260532 8354687 8757980 8850570 9114204 9666580 9735627 10325665 10633238 11392755 12390798 12980836 13136970 14499870 15190340 15949857 16226045 16709374 17701140 19471254 20651330 21266476 22716463 22785510 24781596 25064061 26273940 26583095 28999740 30976995 31899714 32452090 33418748 35697299 38942508 41302660 41773435 45432926 45571020 48678135 50128122 53166190 58482809 61953990 63799428 64904180 68149389 71394598 79749285 83546870 90865852 97356270 100256244 106332380 107091897 113582315 116965618 123907980 125320305 136298778 142789196 159498570 167093740 175448427 178486495 194712540 214183794 227164630 233931236 249881093 250640610 272597556 292414045 318997140 340746945 350896854 356972990 392670289 428367588 454329260 499762186 501281220 535459485 584828090 681493890 701793708 713945980 749643279 785340578 877242135 999524372 1070918970 1169656180 1178010867 1249405465 1362987780 1499286558 1570681156 1754484270 1963351445 2141837940 2356021734 2498810930 2748692023 2998573116 3508968540 3748216395 3926702890 4712043468 4997621860 5497384046 5890054335 7496432790 7853405780 8246076069 10994768092 11780108670 13743460115 14992865580 16492152138 23560217340 27486920230 32984304276 41230380345 54973840460 82460760690 164921521380
• Sum of all divisors σ(n): 592929275904
• Sum of proper divisors (its aliquot sum) s(n): 428007754524
• 164921521380 is an abundant number, because the sum of its proper divisors (428007754524) is greater than itself. Its abundance is 263086233144

Bases of 164921521380

• Binary: 10011001100110000101101011010011100100₂
• Hexadecimal: 0x266616B4E4
• Base-36: 23RI0KBO

Squares and roots of 164921521380

• 164921521380 squared (164921521380²) is 27199108214293797104400
• 164921521380 cubed (164921521380³) is 4485718306880588080754686692072000
• The square root of 164921521380 is 406105.3082391315
• The cube root of 164921521380 is 5483.9368386743

Scales and comparisons

• 164,921,521,380 seconds is equal to 5,243 years, 51 weeks, 4 days, 21 hours, 43 minutes.
• To count from 1 to 164,921,521,380 would take you about ten thousand, four 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 164921521380 cubic inches would be around 457 feet tall.

Recreational maths with 164921521380

• 164921521380 backwards is 083125129461
• 164921521380 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 164921521380's digits is 42
• More coming soon!