30971012985

Names of 30971012985

• Cardinal: 30971012985 can be written as Thirty billion, nine hundred seventy-one million, twelve thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 3.0971012985 × 10¹⁰

Factors of 30971012985

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 135

Divisors of 30971012985

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 9 11 15 19 27 29 31 33 37 45 55 57 81 87 93 95 99 111 121 135 145 155 165 171 185 209 261 279 285 297 319 333 341 363 405 407 435 465 495 513 551 555 589 605 627 703 783 837 855 891 899 957 999 1023 1045 1073 1089 1147 1221 1305 1395 1485 1539 1595 1653 1665 1705 1767 1815 1881 2035 2109 2299 2349 2511 2565 2697 2755 2871 2945 2997 3069 3135 3219 3267 3441 3509 3515 3663 3751 3915 4185 4455 4477 4495 4785 4959 4995 5115 5301 5365 5445 5643 5735 6061 6105 6327 6479 6897 7695 7733 8091 8265 8613 8835 9207 9405 9657 9801 9889 10323 10527 10545 10989 11253 11495 11745 11803 12555 12617 13431 13485 14355 14877 14985 15345 15903 16095 16335 16929 17081 17205 17545 18183 18315 18755 18981 19437 20387 20691 21793 22385 23199 24273 24795 25839 26505 27621 28215 28971 29667 30305 30969 31581 31635 32395 32967 33263 33759 34485 35409 37851 38665 40293 40455 43065 44631 46035 47709 48285 49005 49445 51243 51615 52635 54549 54945 56265 56943 58311 59015 61161 62073 63085 65379 66671 67155 69597 71269 72819 74385 79515 84645 85063 85405 86913 89001 90915 92907 94743 94905 97185 99789 101277 101935 103455 106227 108779 108965 113553 115995 120879 121365 129195 129833 138105 138787 144855 148335 153729 154845 157905 163647 164835 166315 168795 174933 177045 183483 186219 187891 189255 196137 200013 201465 208791 213807 223155 224257 238545 239723 255189 256215 267003 272745 284229 284715 291555 299367 303831 305805 310365 318681 326337 326895 333355 340659 347985 356345 362637 364095 365893 389499 416361 425315 434565 445005 461187 464535 473715 490941 498945 506385 524799 531135 543895 550449 563673 567765 588411 600039 604395 626373 631997 641421 649165 672771 693935 719169 765567 768645 801009 818235 874665 898101 917415 931095 939455 956043 979011 980685 1000065 1021977 1043955 1069035 1097679 1121285 1168497 1198615 1249083 1275945 1335015 1383561 1421145 1496835 1519155 1593405 1631685 1651347 1691019 1703295 1765233 1800117 1813185 1829465 1895991 1924263 1947495 2018313 2066801 2081805 2157507 2296701 2305935 2454705 2466827 2623995 2636953 2694303 2752245 2818365 2937033 2942055 3000195 3131865 3159985 3207105 3293037 3363855 3505491 3595845 3747249 3827835 4005045 4024823 4490505 4780215 4895055 5073057 5109885 5400351 5488395 5687973 5772789 5842485 6054939 6200403 6245415 6472521 6890103 6917805 6951967 7400481 7910859 8256735 8455095 8811099 8826165 9000585 9479955 9621315 9879111 10091565 10334005 10516473 10787535 11241747 11483505 12074469 12334135 13184765 13471515 14685165 15219171 16465185 17063919 17527455 18164817 18601209 18736245 19417563 20124115 20855901 22201443 23732577 25365285 27001755 28439865 28863945 29637333 30274695 31002015 32362605 34450515 34759835 36223407 37002405 39554295 44055495 49395555 51191757 52582365 55803627 56208735 60372345 62567703 66604329 71197731 76095855 76471637 85319595 90824085 93006045 97087815 104279505 108670221 111007215 118662885 148186665 167410881 181117035 187703109 199812987 213593193 229414911 255958785 279018135 312838515 326010663 333021645 355988655 382358185 543351105 563109327 688244733 837054405 938515545 999064935 1067965965 1147074555 1630053315 2064734199 2815546635 3441223665 6194202597 10323670995 30971012985
• Sum of all divisors σ(n): 70448716800
• Sum of proper divisors (its aliquot sum) s(n): 39477703815
• 30971012985 is an abundant number, because the sum of its proper divisors (39477703815) is greater than itself. Its abundance is 8506690830

Bases of 30971012985

• Binary: 11100110110000001000010011101111001₂
• Hexadecimal: 0x736042779
• Base-36: E87CAK9

Squares and roots of 30971012985

• 30971012985 squared (30971012985²) is 959203645317038610225
• 30971012985 cubed (30971012985³) is 29707508554373337239024828771625
• The square root of 30971012985 is 175985.8317734697
• The cube root of 30971012985 is 3140.4012153489

Scales and comparisons

• 30,971,012,985 seconds is equal to 984 years, 40 weeks, 4 days, 19 hours, 9 minutes, 45 seconds.
• To count from 1 to 30,971,012,985 would take you about one thousand, nine hundred sixty-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 30971012985 cubic inches would be around 261.7 feet tall.

Recreational maths with 30971012985

• 30971012985 backwards is 58921017903
• 30971012985 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30971012985's digits is 45
• More coming soon!