21382680528

Names of 21382680528

• Cardinal: 21382680528 can be written as Twenty-one billion, three hundred eighty-two million, six hundred eighty thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1382680528 × 10¹⁰

Factors of 21382680528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1324

Divisors of 21382680528

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 31 33 36 44 48 62 66 72 88 93 99 121 124 132 144 176 186 198 242 248 264 279 341 363 372 396 484 496 528 558 682 726 744 792 961 968 1023 1089 1116 1277 1364 1452 1488 1584 1922 1936 2046 2178 2232 2554 2728 2883 2904 3069 3751 3831 3844 4092 4356 4464 5108 5456 5766 5808 6138 7502 7662 7688 8184 8649 8712 10216 10571 11253 11493 11532 12276 14047 15004 15324 15376 16368 17298 17424 20432 21142 22506 22986 23064 24552 28094 30008 30648 31713 33759 34596 39587 42141 42284 45012 45972 46128 49104 56188 60016 61296 63426 67518 69192 79174 84282 84568 90024 91944 95139 112376 116281 118761 126423 126852 135036 138384 154517 158348 168564 169136 180048 183888 190278 224752 232562 237522 252846 253704 270072 309034 316696 337128 348843 356283 380556 435457 463551 465124 475044 505692 507408 540144 618068 633392 674256 697686 712566 761112 870914 927102 930248 950088 1011384 1046529 1227197 1236136 1306371 1390653 1395372 1425132 1522224 1741828 1854204 1860496 1900176 2022768 2093058 2454394 2472272 2612742 2781306 2790744 2850264 3483656 3681591 3708408 3919113 4186116 4790027 4908788 5225484 5562612 5581488 5700528 6967312 7363182 7416816 7838226 8372232 9580054 9817576 10450968 11044773 11125224 13499167 14370081 14726364 15676452 16744464 19160108 19635152 20901936 22089546 22250448 26998334 28740162 29452728 31352904 38320216 40497501 43110243 44179092 53996668 57480324 58905456 62705808 76640432 80995002 86220486 88358184 107993336 114960648 121492503 148490837 161990004 172440972 176716368 215986672 229921296 242985006 296981674 323980008 344881944 445472511 485970012 593963348 647960016 689763888 890945022 971940024 1187926696 1336417533 1781890044 1943880048 2375853392 2672835066 3563780088 5345670132 7127560176 10691340264 21382680528
• Sum of all divisors σ(n): 68020025346
• Sum of proper divisors (its aliquot sum) s(n): 46637344818
• 21382680528 is an abundant number, because the sum of its proper divisors (46637344818) is greater than itself. Its abundance is 25254664290

Bases of 21382680528

• Binary: 10011111010100000011100111111010000₂
• Hexadecimal: 0x4FA81CFD0
• Base-36: 9TMP1W0

Squares and roots of 21382680528

• 21382680528 squared (21382680528²) is 457219026562510358784
• 21382680528 cubed (21382680528³) is 9776568376309305023568930557952
• The square root of 21382680528 is 146228.1796645229
• The cube root of 21382680528 is 2775.5819152665

Scales and comparisons

• 21,382,680,528 seconds is equal to 679 years, 46 weeks, 6 days, 17 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,382,680,528 would take you about one thousand, three hundred fifty-nine 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 21382680528 cubic inches would be around 231.3 feet tall.

Recreational maths with 21382680528

• 21382680528 backwards is 82508628312
• The number of decimal digits it has is: 11
• The sum of 21382680528's digits is 45
• More coming soon!