990884742890

Names of 990884742890

• Cardinal: 990884742890 can be written as Nine hundred ninety billion, eight hundred eighty-four million, seven hundred forty-two thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 9.9088474289 × 10¹¹

Factors of 990884742890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 326

Divisors of 990884742890

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 7 10 14 29 35 43 49 58 70 86 98 113 127 145 203 215 226 245 254 290 301 406 430 490 565 602 635 791 889 1015 1130 1247 1270 1421 1505 1582 1778 2030 2107 2494 2842 3010 3277 3683 3955 4214 4445 4859 5461 5537 6223 6235 6554 7105 7366 7910 8729 8890 9718 10535 10922 11074 12446 12470 12769 14210 14351 16385 17458 18415 21070 22939 24295 25538 25781 27305 27685 28702 31115 32770 34013 36830 38227 43645 45878 48590 51562 54610 55370 61103 62230 63845 68026 71755 76454 87290 89383 100457 114695 122206 127690 128905 140911 143510 158369 160573 170065 178766 180467 191135 200914 229390 238091 257810 267589 281822 305515 316738 321146 340130 360934 370301 382270 416179 446915 476182 502285 535178 549067 611030 617093 625681 703199 704555 740602 791845 802865 832358 893830 902335 986377 1004570 1098134 1108583 1190455 1234186 1251362 1337945 1406398 1409110 1583690 1605730 1621663 1804670 1851505 1972754 2080895 2217166 2380910 2592107 2675890 2745335 2913253 3085465 3128405 3243326 3515995 3703010 3843469 4161790 4319651 4931885 5184214 5490670 5542915 5826506 6170930 6256810 6904639 7031990 7686938 7760081 8108315 8639302 9863770 11085830 11351641 12960535 13809278 14566265 15520162 15922943 16216630 17895697 18144749 19217345 20392771 21598255 22703282 25921070 26904283 29132530 30237557 31845886 34523195 35791394 36289498 38434690 38800405 40785542 43196510 47028227 53808566 56758205 60475114 69046390 69731509 77600810 79461487 79614715 89478485 90723745 94056454 101963855 111460601 113516410 125269879 134521415 139463018 151187785 158922974 159229430 178956970 181447490 203927710 222921202 235141135 250539758 269042830 302375570 329197589 348657545 397307435 470282270 488120563 557303005 626349395 658395178 697315090 780224207 794614870 876889153 976241126 1114606010 1252698790 1560448414 1645987945 1753778306 2022213761 2304383123 2440602815 3291975890 3416843941 3901121035 4044427522 4384445765 4608766246 4881205630 6833687882 7802242070 8768891530 10111068805 11521915615 14155496327 17084219705 20222137610 23043831230 28310992654 34168439410 70777481635 99088474289 141554963270 198176948578 495442371445 990884742890
• Sum of all divisors σ(n): 2233306183680
• Sum of proper divisors (its aliquot sum) s(n): 1242421440790
• 990884742890 is an abundant number, because the sum of its proper divisors (1242421440790) is greater than itself. Its abundance is 251536697900

Bases of 990884742890

• Binary: 1110011010110101010101010100011011101010₂
• Hexadecimal: 0xE6B55546EA
• Base-36: CN7F6WVE

Squares and roots of 990884742890

• 990884742890 squared (990884742890²) is 981852573692181405552100
• 990884742890 cubed (990884742890³) is 972902735038861950043731426999569000
• The square root of 990884742890 is 995431.9378490927
• The cube root of 990884742890 is 9969.5230193599

Scales and comparisons

• 990,884,742,890 seconds is equal to 31,507 years, 3 weeks, 4 days, 9 hours, 54 minutes, 50 seconds.
• To count from 1 to 990,884,742,890 would take you about sixty-three thousand and fourteen 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 990884742890 cubic inches would be around 830.8 feet tall.

Recreational maths with 990884742890

• 990884742890 backwards is 098247488099
• The number of decimal digits it has is: 12
• The sum of 990884742890's digits is 68
• More coming soon!