1978648055990748016

Names of 1978648055990748016

• Cardinal: 1978648055990748016 can be written as One quintillion, nine hundred seventy-eight quadrillion, six hundred forty-eight trillion, fifty-five billion, nine hundred ninety million, seven hundred forty-eight thousand and sixteen.

Scientific notation

• Scientific notation: 1.978648055990748016 × 10¹⁸

Factors of 1978648055990748016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 479

Divisors of 1978648055990748016

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 97 112 194 373 388 679 746 776 1358 1492 1552 2611 2716 2984 5222 5432 5968 9409 10444 10864 18818 20888 36181 37636 41776 65863 72362 75272 131726 139129 144724 150544 253267 263452 278258 289448 506534 526904 556516 578896 912673 973903 1013068 1053808 1113032 1825346 1947806 2026136 2226064 3509557 3650692 3895612 4052272 6388711 7019114 7301384 7791224 12777422 13495513 14038228 14602768 15582448 24566899 25554844 26991026 28076456 49133798 51109688 51895117 53982052 56152912 94468591 98267596 102219376 103790234 107964104 188937182 196535192 207580468 215928208 340427029 363265819 377874364 393070384 415160936 680854058 726531638 755748728 830321872 1309064761 1361708116 1453063276 1511497456 2382989203 2618129522 2723416232 2906126552 4765978406 5033826349 5236259044 5446832464 5812253104 9163453327 9531956812 10067652698 10472518088 18326906654 19063913624 19356878641 20135305396 20945036176 35236784443 36653813308 38127827248 38713757282 40270610792 70473568886 73307626616 77427514564 80541221584 126979281817 135498150487 140947137772 146615253232 154855029128 253958563634 270996300974 281894275544 309710058256 488281155853 507917127268 541992601948 563788551088 888854972719 976562311706 1015834254536 1083985203896 1777709945438 1877617228177 1953124623412 2031668509072 2167970407792 3417968090971 3555419890876 3755234456354 3906249246824 6835936181942 7110839781752 7510468912708 7812498493648 13143320597239 13671872363884 14221679563504 15020937825416 26286641194478 27343744727768 30041875650832 47363272117741 52573282388956 54687489455536 94726544235482 105146564777912 182128871133169 189453088470964 210293129555824 331542904824187 364257742266338 378906176941928 663085809648374 728515484532676 757812353883856 1274902097932183 1326171619296748 1457030969065352 2549804195864366 2652343238593496 2914061938130704 5099608391728732 5304686477186992 10199216783457464 17666500499917393 20398433566914928 35333000999834786 70666001999669572 123665503499421751 141332003999339144 247331006998843502 282664007998678288 494662013997687004 989324027995374008 1978648055990748016
• Sum of all divisors σ(n): 4438830884495187040
• Sum of proper divisors (its aliquot sum) s(n): 2460182828504439024
• 1978648055990748016 is an abundant number, because the sum of its proper divisors (2460182828504439024) is greater than itself. Its abundance is 481534772513691008

Bases of 1978648055990748016

• Binary: 1101101110101100100011110110001110000110110001000001101110000₂
• Hexadecimal: 0x1B7591EC70D88370
• Base-36: F16K74BY048G

Squares and roots of 1978648055990748016

• 1978648055990748016 squared (1978648055990748016²) is 3915048129475966295688599391207936256
• 1978648055990748016 cubed (1978648055990748016³) is 7746502370497835047032626798224116374156452769086468096
• The square root of 1978648055990748016 is 1406644253.5306316801
• The cube root of 1978648055990748016 is 1255421.3716025711

Scales and comparisons

• 1,978,648,055,990,748,016 seconds is equal to 62,914,887,820 years, 11 weeks, 2 days, 14 hours, 16 seconds.
• To count from 1 to 1,978,648,055,990,748,016 would take you about two hundred twenty billion, two hundred two million, one hundred seven thousand, three 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 1978648055990748016 cubic inches would be around 104618.4 feet tall.

Recreational maths with 1978648055990748016

• 1978648055990748016 backwards is 6108470995508468791
• 1978648055990748016 is a Harshad number.
• The number of decimal digits it has is: 19
• The sum of 1978648055990748016's digits is 97
• More coming soon!