7215138612948875

Names of 7215138612948875

• Cardinal: 7215138612948875 can be written as Seven quadrillion, two hundred fifteen trillion, one hundred thirty-eight billion, six hundred twelve million, nine hundred forty-eight thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 7.215138612948875 × 10¹⁵

Factors of 7215138612948875

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 104

Divisors of 7215138612948875

• Number of divisors d(n): 336
• Complete list of divisors:
  1 5 7 19 25 35 49 73 95 125 133 175 245 343 361 365 475 511 665 875 931 1225 1387 1715 1805 1825 2375 2401 2527 2555 3325 3577 4655 6125 6517 6859 6935 8575 9025 9125 9709 12005 12635 12775 16625 16807 17689 17885 23275 25039 26353 32585 34295 34675 42875 45125 45619 48013 48545 60025 63175 63875 67963 84035 88445 89425 116375 123823 125195 130321 131765 162925 171475 173375 175273 184471 228095 240065 242725 300125 315875 319333 336091 339815 420175 442225 447125 475741 500707 619115 625975 651605 658825 814625 857375 866761 876365 912247 922355 1140475 1200325 1213625 1226911 1291297 1596665 1680455 1699075 2100875 2211125 2352637 2378705 2476099 2503535 3095575 3129875 3258025 3294125 3330187 3504949 4333805 4381825 4561235 4611775 5702375 6001625 6067327 6134555 6385729 6456485 7983325 8402275 8495375 9039079 9513433 11763185 11893525 12380495 12517675 15477875 16290125 16468459 16650935 17332693 17524745 21669025 21909125 22806175 23058875 23311309 24534643 30336635 30672775 31928645 32282425 39916625 42011375 44700103 45195395 47045881 47567165 58815925 59467625 61902475 62588375 63273553 66594031 82342295 83254675 86663465 87623725 108345125 114030875 115279213 116556545 121328851 122673215 151683175 153363875 159643225 161412125 171742501 180755227 223500515 225976975 235229405 237835825 294079625 309512375 312900721 316367765 329321167 332970155 411711475 416273375 433317325 438118625 442914871 466158217 576396065 582782725 606644255 613366075 758415875 798216125 849301957 858712505 903776135 1117502575 1129884875 1176147025 1189179125 1202197507 1265286589 1564503605 1581838825 1646605835 1664850775 2058557375 2166586625 2190305047 2214574355 2305248169 2330791085 2881980325 2913913625 3033221275 3066830375 3263107519 3434349313 4246509785 4293562525 4518880675 5587512875 5880735125 5945113699 6010987535 6326432945 7822518025 7909194125 8233029175 8324253875 8415382549 8857006123 10951525235 11072871775 11526240845 11653955425 14409901625 15166106375 16136737183 16315537595 17171746565 21232548925 21467812625 22594403375 22841752633 24040445191 29725568495 30054937675 31632164725 39112590125 41165145875 41615795893 42076912745 44285030615 54757626175 55364358875 57631204225 58269777125 61999042861 80683685915 81577687975 85858732825 106162744625 112957160281 114208763165 120202225955 148627842475 150274688375 158160823625 159892268431 168283116337 208078979465 210384563725 221425153075 273788130875 288156021125 309995214305 403418429575 407888439875 429293664125 433993300027 564785801405 571043815825 601011129775 743139212375 790700121967 799461342155 841415581685 1040394897325 1051922818625 1107125765375 1177981814359 1549976071525 2017092147875 2169966500135 2823929007025 2855219079125 3005055648875 3037953100189 3953500609835 3997306710775 4207077908425 5201974486625 5889909071795 7749880357625 8245872700513 10849832500675 14119645035125 15189765500945 19767503049175 19986533553875 21035389542125 29449545358975 41229363502565 54249162503375 57721108903591 75948827504725 98837515245875 147247726794875 206146817512825 288605544517955 379744137523625 1030734087564125 1443027722589775 7215138612948875
• Sum of all divisors σ(n): 11240673087488832
• Sum of proper divisors (its aliquot sum) s(n): 4025534474539957
• 7215138612948875 is a deficient number, because the sum of its proper divisors (4025534474539957) is less than itself. Its deficiency is 3189604138408918

Bases of 7215138612948875

• Binary: 11001101000100010000101011110000001111010111110001011₂
• Hexadecimal: 0x19A2215E07AF8B
• Base-36: 1Z1JWX4SHHN

Squares and roots of 7215138612948875

• 7215138612948875 squared (7215138612948875²) is 52058225204065815845823363765625
• 7215138612948875 cubed (7215138612948875³) is 375607310791443595738989541847788300105607421875
• The square root of 7215138612948875 is 84941972.0335528529
• The cube root of 7215138612948875 is 193233.1170890427

Scales and comparisons

• 7,215,138,612,948,875 seconds is equal to 229,419,090 years, 23 hours, 34 minutes, 35 seconds.
• To count from 1 to 7,215,138,612,948,875 would take you about six hundred eighty-eight million, two hundred fifty-seven thousand, two hundred seventy 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 7215138612948875 cubic inches would be around 16102.8 feet tall.

Recreational maths with 7215138612948875

• 7215138612948875 backwards is 5788492168315127
• The number of decimal digits it has is: 16
• The sum of 7215138612948875's digits is 77
• More coming soon!