30931018128621

Names of 30931018128621

• Cardinal: 30931018128621 can be written as Thirty trillion, nine hundred thirty-one billion, eighteen million, one hundred twenty-eight thousand, six hundred twenty-one.

Scientific notation

• Scientific notation: 3.0931018128621 × 10¹³

Factors of 30931018128621

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 973

Divisors of 30931018128621

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 9 13 19 27 39 57 61 81 117 169 171 183 243 247 351 361 507 513 549 729 741 793 877 1053 1083 1159 1521 1539 1647 2197 2223 2379 2631 3159 3211 3249 3477 4563 4617 4693 4941 6591 6669 7137 7893 9477 9633 9747 10309 10431 11401 13689 13851 14079 14823 15067 16663 19773 20007 21411 22021 23679 28899 29241 30927 31293 34203 41067 41743 42237 44469 45201 49989 53497 59319 60021 61009 64233 66063 71037 86697 87723 92781 93879 102609 123201 125229 126711 134017 135603 148213 149967 160491 177957 180063 183027 192699 195871 198189 213111 216619 260091 263169 278343 281637 286273 307827 316597 375687 380133 402051 406809 444639 449901 481473 533871 549081 578097 587613 594567 639333 649857 695461 780273 793117 835029 844911 858819 923481 949791 1016443 1127061 1140399 1206153 1220427 1333917 1349703 1444419 1601613 1647243 1762839 1783701 1926769 1949571 2086383 2340819 2379351 2505087 2546323 2576457 2770443 2816047 2849373 3049329 3381183 3421197 3618459 3661281 3721549 4001751 4049109 4115761 4333257 4941729 5288517 5351103 5780307 5848713 6259149 7138053 7515261 7638969 7729371 8311329 8448141 8548119 9040993 9147987 10143549 10855377 10983843 11164647 12005253 12147327 12347283 12999771 13213759 14825187 15865551 16053309 17340921 17546139 18777447 19312417 21414159 22916907 23188113 25344423 25644357 27122979 27443961 30430647 32566131 33493941 36015759 36608611 37041849 38999313 39641277 44475561 47596653 48380137 52022763 52638417 53504893 56332341 57937251 64242477 68750721 69564339 76033269 76933071 81368937 82331883 97698393 100481823 108047277 109825833 111125547 117532909 118923831 142789959 145140411 156068289 157915251 160514679 168997023 171778867 173811753 192727431 206252163 208693017 228099807 230799213 244106811 246995649 251061421 301445469 329477499 333376641 352598727 356771493 435421233 468204867 481544037 506991069 515336601 521435259 578182293 618756489 684299421 695563609 732320433 740986947 753184263 904336407 988432497 1000129923 1057796181 1070314479 1306263699 1404614601 1444632111 1546009803 1564305777 1856269467 2052898263 2086690827 2196961299 2233125271 2259552789 2713009221 2965297491 3000389769 3173388543 3210943437 3263798473 3918791097 4333896333 4638029409 4692917331 6260072481 6590883897 6699375813 6778658367 8895892473 9520165629 9632830311 9791395419 11756373291 13001688999 13914088227 14078751993 18780217443 20098127439 20335975101 26687677419 28560496887 29374186257 35269119873 39005066997 41742264681 42429380149 56340652329 60294382317 61007925303 85681490661 88122558771 125226794043 127288140447 169021956987 180883146951 183023775909 264367676313 381864421341 507065870961 542649440853 793103028939 1145593264023 1627948322559 2379309086817 3436779792069 10310339376207 30931018128621
• Sum of all divisors σ(n): 53952093355440
• Sum of proper divisors (its aliquot sum) s(n): 23021075226819
• 30931018128621 is a deficient number, because the sum of its proper divisors (23021075226819) is less than itself. Its deficiency is 7909942901802

Bases of 30931018128621

• Binary: 111000010000110110000010110010001110011101101₂
• Hexadecimal: 0x1C21B0591CED
• Base-36: AYPIHKTT9

Squares and roots of 30931018128621

• 30931018128621 squared (30931018128621²) is 956727882473080948899361641
• 30931018128621 cubed (30931018128621³) is 29592567476932048317433379834665331627061
• The square root of 30931018128621 is 5561566.1578930265
• The cube root of 30931018128621 is 31390.4883250919

Scales and comparisons

• 30,931,018,128,621 seconds is equal to 983,510 years, 36 weeks, 3 days, 10 minutes, 21 seconds.
• To count from 1 to 30,931,018,128,621 would take you about two million, four hundred fifty-eight thousand, seven hundred seventy-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 30931018128621 cubic inches would be around 2615.9 feet tall.

Recreational maths with 30931018128621

• 30931018128621 backwards is 12682181013903
• The number of decimal digits it has is: 14
• The sum of 30931018128621's digits is 45
• More coming soon!