2145821328

Names of 2145821328

• Cardinal: 2145821328 can be written as Two billion, one hundred forty-five million, eight hundred twenty-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.145821328 × 10⁹

Factors of 2145821328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 185

Divisors of 2145821328

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 34 36 42 48 49 51 54 56 63 67 68 72 84 89 98 102 108 112 119 126 134 136 144 147 153 168 178 189 196 201 204 216 238 252 267 268 272 294 306 336 356 357 378 392 402 408 432 441 459 469 476 504 534 536 588 603 612 623 712 714 756 784 801 804 816 833 882 918 938 952 1008 1068 1071 1072 1139 1176 1206 1224 1246 1323 1407 1424 1428 1512 1513 1602 1608 1666 1764 1809 1836 1869 1876 1904 2136 2142 2278 2352 2403 2412 2448 2492 2499 2646 2814 2856 3024 3026 3204 3213 3216 3283 3332 3417 3528 3618 3672 3738 3752 4221 4272 4284 4361 4539 4556 4806 4824 4984 4998 5292 5607 5628 5712 5963 6052 6408 6426 6566 6664 6834 7056 7236 7344 7476 7497 7504 7973 8442 8568 8722 9078 9112 9612 9648 9849 9968 9996 10251 10584 10591 11214 11256 11926 12104 12663 12816 12852 13083 13132 13328 13617 13668 14472 14952 14994 15946 16821 16884 17136 17444 17889 18156 18224 19224 19698 19992 20502 21168 21182 22428 22491 22512 23852 23919 24208 25326 25704 26166 26264 27234 27336 28944 29547 29904 29988 30753 31773 31892 33642 33768 34888 35778 36312 38448 39249 39396 39984 40851 41004 41741 42364 44856 44982 47704 47838 50652 51408 52332 52528 53667 54468 54672 55811 59094 59976 61506 63546 63784 67284 67536 69776 71556 71757 72624 74137 78498 78792 81702 82008 83482 84728 88641 89712 89964 95319 95408 95676 101304 101371 104664 107334 108936 111622 117747 118188 119952 123012 125223 127092 127568 134568 143112 143514 148274 156996 157584 161001 163404 164016 166964 167433 169456 177282 179928 190638 191352 202608 202742 209328 214668 215271 217872 222411 223244 235494 236376 246024 250446 254184 269136 285957 286224 287028 292187 296548 304113 313992 322002 326808 333928 334866 354564 359856 375669 381276 382704 405484 429336 430542 444822 446488 470988 472752 492048 500892 502299 508368 571914 574056 584374 593096 608226 627984 644004 653616 667233 667856 669732 709128 709597 751338 762552 810968 858672 861084 876561 889644 892976 912339 941976 1001784 1004598 1127007 1143828 1148112 1168748 1186192 1216452 1288008 1334466 1339464 1418256 1419194 1502676 1506897 1525104 1621936 1722168 1753122 1779288 1824678 1883952 2001699 2003568 2009196 2128791 2254014 2287656 2337496 2432904 2576016 2629683 2668932 2678928 2737017 2838388 3005352 3013794 3444336 3506244 3558576 3649356 4003398 4018392 4257582 4508028 4575312 4674992 4865808 4967179 5259366 5337864 5474034 5676776 6010704 6027588 6386373 7012488 7298712 7889049 8006796 8036784 8515164 9016056 9934358 10518732 10675728 10948068 11353552 12055176 12772746 14024976 14597424 14901537 15778098 16013592 17030328 18032112 19159119 19868716 21037464 21896136 24110352 25545492 29803074 31556196 32027184 34060656 38318238 39737432 42074928 43792272 44704611 51090984 59606148 63112392 76636476 79474864 89409222 102181968 119212296 126224784 134113833 153272952 178818444 238424592 268227666 306545904 357636888 536455332 715273776 1072910664 2145821328
• Sum of all divisors σ(n): 7786108800
• Sum of proper divisors (its aliquot sum) s(n): 5640287472
• 2145821328 is an abundant number, because the sum of its proper divisors (5640287472) is greater than itself. Its abundance is 3494466144

Bases of 2145821328

• Binary: 1111111111001101010001010010000₂
• Hexadecimal: 0x7FE6A290
• Base-36: ZHKEC0

Squares and roots of 2145821328

• 2145821328 squared (2145821328²) is 4604549171699683584
• 2145821328 cubed (2145821328³) is 9880539818457915045398679552
• The square root of 2145821328 is 46323.0107829791
• The cube root of 2145821328 is 1289.8261745231

Scales and comparisons

• 2,145,821,328 seconds is equal to 68 years, 11 weeks, 6 days, 21 hours, 28 minutes, 48 seconds.
• To count from 1 to 2,145,821,328 would take you about one hundred thirty-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 2145821328 cubic inches would be around 107.5 feet tall.

Recreational maths with 2145821328

• 2145821328 backwards is 8231285412
• 2145821328 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2145821328's digits is 36
• More coming soon!