1218485268

Names of 1218485268

• Cardinal: 1218485268 can be written as One billion, two hundred eighteen million, four hundred eighty-five thousand, two hundred sixty-eight.

Scientific notation

• Scientific notation: 1.218485268 × 10⁹

Factors of 1218485268

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 53

Divisors of 1218485268

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 17 18 21 22 26 27 28 33 34 36 39 42 44 51 52 54 63 66 68 77 78 81 84 91 99 102 108 117 119 126 132 143 153 154 156 162 169 182 187 189 198 204 221 231 234 238 252 273 286 289 297 306 308 324 338 351 357 364 374 378 396 429 442 459 462 468 476 507 546 561 567 572 578 594 612 663 676 693 702 714 748 756 819 858 867 884 891 918 924 1001 1014 1053 1071 1092 1122 1134 1156 1183 1188 1287 1309 1326 1377 1386 1404 1428 1521 1547 1638 1683 1716 1734 1782 1836 1859 1989 2002 2023 2028 2079 2106 2142 2244 2268 2366 2431 2457 2574 2601 2618 2652 2754 2772 2873 3003 3042 3094 3179 3213 3276 3366 3468 3549 3564 3718 3757 3861 3927 3978 4004 4046 4158 4212 4284 4563 4641 4732 4862 4914 5049 5148 5202 5236 5508 5577 5746 5967 6006 6069 6084 6188 6237 6358 6426 6732 7098 7293 7371 7436 7514 7722 7803 7854 7956 8092 8316 8619 9009 9126 9282 9537 9639 9724 9828 10098 10404 10647 11154 11271 11492 11583 11781 11934 12012 12138 12474 12716 12852 13013 13689 13923 14196 14586 14742 15028 15147 15444 15606 15708 16731 17017 17238 17901 18018 18207 18252 18564 19074 19278 20111 20196 21294 21879 22253 22308 22542 23166 23409 23562 23868 24276 24948 25857 26026 26299 27027 27378 27846 28611 29172 29484 30294 31212 31603 31941 33462 33813 34034 34476 35343 35802 36036 36414 38148 38556 39039 40222 41327 41769 42588 43758 44506 45084 46332 46818 47124 48841 50193 51051 51714 52052 52598 54054 54621 54756 55692 57222 60333 60588 63206 63882 65637 66759 66924 67626 68068 70686 71604 72828 77571 78078 78897 80444 81081 82654 83538 85833 87516 89012 93636 94809 95823 97682 100386 101439 102102 103428 105196 106029 108108 109242 114444 117117 120666 123981 125307 126412 127764 131274 133518 135252 141372 146523 150579 153153 155142 156156 157794 162162 163863 165308 167076 171666 180999 189618 191646 195364 196911 200277 200772 202878 204204 212058 218484 221221 232713 234234 236691 241332 247962 250614 257499 262548 267036 284427 289289 293046 301158 304317 306306 310284 315588 324324 327726 341887 343332 351351 361998 371943 379236 383292 393822 400554 405756 424116 439569 442442 459459 465426 468468 473382 495924 501228 514998 537251 542997 568854 578578 586092 600831 602316 608634 612612 655452 663663 683774 702702 710073 723996 743886 787644 801108 853281 867867 879138 884884 918918 930852 946764 1025661 1029996 1054053 1074502 1085994 1115829 1137708 1157156 1201662 1217268 1318707 1327326 1367548 1378377 1405404 1420146 1487772 1611753 1628991 1706562 1735734 1758276 1802493 1837836 1990989 2051322 2108106 2130219 2149004 2171988 2231658 2403324 2559843 2603601 2637414 2654652 2756754 2840292 3076983 3223506 3257982 3347487 3413124 3471468 3604986 3760757 3956121 3981978 4102644 4216212 4260438 4463316 4835259 5119686 5207202 5274828 5513508 5972967 6153966 6447012 6515964 6694974 7209972 7521514 7810803 7912242 7963956 8520876 9230949 9670518 10239372 10414404 11282271 11945934 12307932 13389948 14505777 15043028 15621606 15824484 17918901 18461898 19341036 22564542 23432409 23891868 27692847 29011554 31243212 33846813 35837802 36923796 43517331 45129084 46864818 55385694 58023108 67693626 71675604 87034662 93729636 101540439 110771388 135387252 174069324 203080878 304621317 406161756 609242634 1218485268
• Sum of all divisors σ(n): 4568189472
• Sum of proper divisors (its aliquot sum) s(n): 3349704204
• 1218485268 is an abundant number, because the sum of its proper divisors (3349704204) is greater than itself. Its abundance is 2131218936

Bases of 1218485268

• Binary: 1001000101000001001110000010100₂
• Hexadecimal: 0x48A09C14
• Base-36: K5GD90

Squares and roots of 1218485268

• 1218485268 squared (1218485268²) is 1484706348333031824
• 1218485268 cubed (1218485268³) is 1809092812749875635319168832
• The square root of 1218485268 is 34906.8083330459
• The cube root of 1218485268 is 1068.0873240049

Scales and comparisons

• 1,218,485,268 seconds is equal to 38 years, 38 weeks, 4 days, 20 hours, 7 minutes, 48 seconds.
• To count from 1 to 1,218,485,268 would take you about seventy-seven 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 1218485268 cubic inches would be around 89 feet tall.

Recreational maths with 1218485268

• 1218485268 backwards is 8625848121
• The number of decimal digits it has is: 10
• The sum of 1218485268's digits is 45
• More coming soon!