181367136972

Names of 181367136972

• Cardinal: 181367136972 can be written as One hundred eighty-one billion, three hundred sixty-seven million, one hundred thirty-six thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.81367136972 × 10¹¹

Factors of 181367136972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 131119

Divisors of 181367136972

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 19 21 28 34 36 38 42 51 57 63 68 76 84 102 114 119 126 133 153 171 204 228 238 252 266 289 306 323 342 357 399 476 532 578 612 646 684 714 798 867 969 1071 1156 1197 1292 1428 1596 1734 1938 2023 2142 2261 2394 2601 2907 3468 3876 4046 4284 4522 4788 5202 5491 5814 6069 6783 8092 9044 10404 10982 11628 12138 13566 16473 18207 20349 21964 24276 27132 32946 36414 38437 40698 49419 65892 72828 76874 81396 98838 115311 131071 153748 197676 230622 262142 345933 393213 461244 524284 691866 786426 917497 1179639 1383732 1572852 1834994 2228207 2359278 2490349 2752491 3669988 4456414 4718556 4980698 5504982 6684621 7471047 8257473 8912828 9961396 11009964 13369242 14942094 15597449 16514946 17432443 20053863 22413141 26738484 29884188 31194898 33029892 34864886 37879519 40107726 42335933 44826282 46792347 52297329 62389796 69729772 75759038 80215452 84671866 89652564 93584694 104594658 113638557 127007799 140377041 151518076 156891987 169343732 187169388 209189316 227277114 254015598 265156633 280754082 296351531 313783974 340915671 381023397 454554228 508031196 530313266 561508164 592703062 627567948 681831342 719710861 762046794 795469899 889054593 1060626532 1185406124 1363662684 1439421722 1524093588 1590939798 1778109186 2159132583 2386409697 2667163779 2878843444 3181879596 3556218372 4318265166 4772819394 5037976027 5334327558 6477397749 8636530332 9545638788 10075952054 10668655116 12954795498 15113928081 20151904108 25909590996 30227856162 45341784243 60455712324 90683568486 181367136972
• Sum of all divisors σ(n): 585881354240
• Sum of proper divisors (its aliquot sum) s(n): 404514217268
• 181367136972 is an abundant number, because the sum of its proper divisors (404514217268) is greater than itself. Its abundance is 223147080296

Bases of 181367136972

• Binary: 10101000111010010100101110001011001100₂
• Hexadecimal: 0x2A3A52E2CC
• Base-36: 2BBHB6J0

Squares and roots of 181367136972

• 181367136972 squared (181367136972²) is 32894038373420209328784
• 181367136972 cubed (181367136972³) is 5965897563234327189446479910202048
• The square root of 181367136972 is 425872.2073251553
• The cube root of 181367136972 is 5660.4748586267

Scales and comparisons

• 181,367,136,972 seconds is equal to 5,766 years, 47 weeks, 3 days, 16 hours, 16 minutes, 12 seconds.
• To count from 1 to 181,367,136,972 would take you about eleven thousand, five hundred thirty-three 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 181367136972 cubic inches would be around 471.7 feet tall.

Recreational maths with 181367136972

• 181367136972 backwards is 279631763181
• The number of decimal digits it has is: 12
• The sum of 181367136972's digits is 54
• More coming soon!