121612069845

Names of 121612069845

• Cardinal: 121612069845 can be written as One hundred twenty-one billion, six hundred twelve million, sixty-nine thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 1.21612069845 × 10¹¹

Factors of 121612069845

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 179

Divisors of 121612069845

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 31 35 41 45 57 63 73 93 95 105 123 133 135 155 171 189 205 217 219 279 285 287 315 365 369 399 465 511 513 589 615 651 657 665 779 837 855 861 945 1085 1095 1107 1197 1271 1387 1395 1435 1533 1767 1845 1953 1971 1995 2263 2337 2555 2565 2583 2945 2993 3255 3285 3591 3813 3895 4123 4161 4185 4305 4599 5301 5329 5453 5535 5859 5985 6355 6789 6935 7011 7665 7749 8835 8897 8979 9709 9765 9855 11315 11439 11685 12369 12483 12915 13797 14965 15841 15903 15987 16359 17955 19065 20367 20615 20805 20951 21033 22995 24149 26505 26645 26691 26937 27265 29127 29295 33945 34317 35055 37107 37303 37449 38745 42997 44485 44895 47523 47961 48545 49077 56867 57195 61101 61845 62415 62853 68985 72447 79205 79515 79935 80073 80811 81795 87381 92783 101251 101835 104755 105165 111321 111909 120745 128991 133455 134685 142569 143883 145635 147231 165199 169043 170601 171585 185535 186515 187245 188559 214985 217341 218489 237615 239805 240219 245385 262143 278349 284335 300979 303753 305505 314265 335727 362235 386973 398069 400365 404055 427707 436905 463915 495597 506255 507129 511803 556605 559545 565677 644955 649481 652023 655467 708757 712845 719415 736155 825995 835047 845215 853005 902937 911259 942795 1007181 1086705 1092445 1156393 1160919 1194207 1201095 1310715 1391745 1486791 1504895 1518765 1521387 1529423 1535409 1678635 1762877 1934865 1948443 1966401 1990345 2126271 2138535 2477985 2505141 2535645 2559015 2708811 2733777 2828385 3138781 3247405 3260115 3277335 3469179 3543785 3582621 4151291 4175235 4460373 4514685 4556295 4564161 4588269 5035905 5288631 5781965 5804595 5845329 5899203 5971035 6378813 6773159 7433955 7606935 7647115 7677045 8126433 8814385 9416343 9742215 9832005 10407537 10631355 10747863 12340139 12453873 12525705 13544055 13668885 13764807 15693905 15865893 17345895 17535987 17913105 19136439 20319477 20756455 21971467 22301865 22820805 22941345 26443155 28249029 29059037 29226645 29496015 31222611 31894065 33865795 37020417 37361619 40632165 41294421 47081715 47412113 47597679 52037685 53739315 60958431 61700695 62269365 65914401 68824035 79329465 84747087 87177111 87679935 95682195 101597385 109857335 111061251 112084857 128690021 141245145 142236339 145295185 156113055 182875293 185102085 186808095 197743203 206472105 237060565 237988395 261531333 304792155 329572005 333183753 386070063 423735435 426709017 435885555 555306255 560424285 593229609 643450105 711181695 784593999 900830147 914376465 988716015 1158210189 1280127051 1307656665 1665918765 1930350315 2133545085 2702490441 2966148045 3474630567 3922969995 4504150735 5791050945 6400635255 8107471323 13512452205 17373152835 24322413969 40537356615 121612069845
• Sum of all divisors σ(n): 278846668800
• Sum of proper divisors (its aliquot sum) s(n): 157234598955
• 121612069845 is an abundant number, because the sum of its proper divisors (157234598955) is greater than itself. Its abundance is 35622529110

Bases of 121612069845

• Binary: 1110001010000101001001110101111010101₂
• Hexadecimal: 0x1C50A4EBD5
• Base-36: 1JV8OPN9

Squares and roots of 121612069845

• 121612069845 squared (121612069845²) is 14789495531985158324025
• 121612069845 cubed (121612069845³) is 1798581163608094505604711441526125
• The square root of 121612069845 is 348729.2213810021
• The cube root of 121612069845 is 4954.4132303711

Scales and comparisons

• 121,612,069,845 seconds is equal to 3,866 years, 46 weeks, 1 day, 2 hours, 30 minutes, 45 seconds.
• To count from 1 to 121,612,069,845 would take you about seven thousand, seven 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 121612069845 cubic inches would be around 412.9 feet tall.

Recreational maths with 121612069845

• 121612069845 backwards is 548960216121
• 121612069845 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121612069845's digits is 45
• More coming soon!