1681490123280

Names of 1681490123280

• Cardinal: 1681490123280 can be written as One trillion, six hundred eighty-one billion, four hundred ninety million, one hundred twenty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.68149012328 × 10¹²

Factors of 1681490123280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2669

Divisors of 1681490123280

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 31 33 36 40 44 45 48 55 60 62 66 72 80 88 90 93 99 110 120 124 132 144 155 165 176 180 186 198 220 240 248 264 279 310 330 341 360 372 396 440 465 495 496 528 558 620 660 682 720 744 792 880 930 990 1023 1116 1240 1320 1364 1395 1488 1584 1705 1860 1980 2046 2232 2480 2617 2640 2728 2790 3069 3410 3720 3960 4092 4464 5115 5234 5456 5580 6138 6820 7440 7851 7920 8184 10230 10468 11160 12276 13085 13640 15345 15702 16368 20460 20936 22320 23553 24552 26170 27280 28787 30690 31404 39255 40920 41872 47106 49104 52340 57574 61380 62808 78510 81127 81840 86361 94212 104680 115148 117765 122760 125616 143935 157020 162254 172722 188424 209360 230296 235530 243381 245520 259083 287870 314040 324508 345444 376848 405635 431805 460592 471060 486762 518166 575740 628080 649016 690888 730143 811270 863610 892397 942120 973524 1036332 1151480 1216905 1295415 1298032 1381776 1460286 1622540 1727220 1784794 1884240 1947048 2072664 2302960 2433810 2590830 2677191 2920572 3245080 3454440 3569588 3650715 3894096 4145328 4461985 4867620 5181660 5354382 5841144 6490160 6848689 6908880 7139176 7301430 8031573 8923970 9735240 10363320 10708764 11682288 13385955 13697378 14278352 14602860 16063146 17847940 19470480 20546067 20726640 21417528 26771910 27394756 29205720 32126292 34243445 35695880 40157865 41092134 42835056 53543820 54789512 58411440 61638201 64252584 68486890 71391760 75335579 80315730 82184268 102730335 107087640 109579024 123276402 128505168 136973780 150671158 160631460 164368536 205460670 212309359 214175280 226006737 246552804 273947560 301342316 308191005 321262920 328737072 376677895 410921340 424618718 452013474 493105608 547895120 602684632 616382010 636928077 642525840 678020211 753355790 821842680 849237436 904026948 986211216 1061546795 1130033685 1205369264 1232764020 1273856154 1356040422 1506711580 1643685360 1698474872 1808053896 1910784231 2123093590 2260067370 2335402949 2465528040 2547712308 2712080844 3013423160 3184640385 3390101055 3396949744 3616107792 3821568462 4246187180 4520134740 4670805898 4931056080 5095424616 5424161688 6026846320 6369280770 6780202110 7006208847 7643136924 8492374360 9040269480 9341611796 9553921155 10190849232 10848323376 11677014745 12738561540 13560404220 14012417694 15286273848 16984748720 18080538960 18683223592 19107842310 21018626541 23354029490 25477123080 27120808440 28024835388 30572547696 35031044235 37366447184 38215684620 42037253082 46708058980 50954246160 54241616880 56049670776 70062088470 76431369240 84074506164 93416117960 105093132705 112099341552 140124176940 152862738480 168149012328 186832235920 210186265410 280248353880 336298024656 420372530820 560496707760 840745061640 1681490123280
• Sum of all divisors σ(n): 6361520765184
• Sum of proper divisors (its aliquot sum) s(n): 4680030641904
• 1681490123280 is an abundant number, because the sum of its proper divisors (4680030641904) is greater than itself. Its abundance is 2998540518624

Bases of 1681490123280

• Binary: 11000011110000000100111110001101000010000₂
• Hexadecimal: 0x187809F1A10
• Base-36: LGGRSYS0

Squares and roots of 1681490123280

• 1681490123280 squared (1681490123280²) is 2827409034688189597958400
• 1681490123280 cubed (1681490123280³) is 4754260366300829723431083652311552000
• The square root of 1681490123280 is 1296722.8398081065
• The cube root of 1681490123280 is 11891.3576194385

Scales and comparisons

• 1,681,490,123,280 seconds is equal to 53,466 years, 9 weeks, 4 days, 5 hours, 48 minutes.
• To count from 1 to 1,681,490,123,280 would take you about one hundred thirty-three thousand, six hundred sixty-five 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 1681490123280 cubic inches would be around 990.9 feet tall.

Recreational maths with 1681490123280

• 1681490123280 backwards is 0823210941861
• 1681490123280 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1681490123280's digits is 45
• More coming soon!