1242131520

Names of 1242131520

• Cardinal: 1242131520 can be written as One billion, two hundred forty-two million, one hundred thirty-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.24213152 × 10⁹

Factors of 1242131520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 248

Divisors of 1242131520

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 32 34 35 40 42 48 51 56 60 64 68 70 80 83 84 85 96 102 105 112 119 120 131 136 140 160 166 168 170 192 204 210 224 238 240 249 255 262 272 280 320 332 336 340 357 393 408 415 420 448 476 480 498 510 524 544 560 581 595 655 664 672 680 714 786 816 830 840 917 952 960 996 1020 1048 1088 1120 1162 1190 1245 1310 1328 1344 1360 1411 1428 1572 1632 1660 1680 1743 1785 1834 1904 1965 1992 2040 2096 2227 2240 2324 2380 2490 2620 2656 2720 2751 2822 2856 2905 3144 3264 3320 3360 3486 3570 3668 3808 3930 3984 4080 4192 4233 4454 4585 4648 4760 4980 5240 5312 5440 5502 5644 5712 5810 6288 6640 6681 6720 6972 7055 7140 7336 7616 7860 7968 8160 8384 8466 8715 8908 9170 9296 9520 9877 9960 10480 10873 11004 11135 11288 11424 11620 12576 13280 13362 13755 13944 14110 14280 14672 15589 15720 15936 16320 16932 17430 17816 18340 18592 19040 19754 19920 20960 21165 21746 22008 22270 22576 22848 23240 25152 26560 26724 27510 27888 28220 28560 29344 29631 31178 31440 32619 33405 33864 34860 35632 36680 37184 38080 39508 39840 41920 42330 43492 44016 44540 45152 46480 46767 49385 53448 54365 55020 55776 56440 57120 58688 59262 62356 62880 65238 66810 67728 69720 71264 73360 76111 77945 79016 79680 84660 86984 88032 89080 90304 92960 93534 98770 106896 108730 110040 111552 112880 114240 118524 124712 125760 130476 133620 135456 139440 142528 146720 148155 152222 155890 158032 163095 169320 173968 176064 178160 184841 185920 187068 197540 213792 217460 220080 225760 228333 233835 237048 249424 260952 267240 270912 278880 293440 296310 304444 311780 316064 326190 338640 347936 356320 369682 374136 380555 395080 427584 434920 440160 451520 456666 467670 474096 498848 521904 534480 554523 557760 592620 608888 623560 632128 652380 677280 695872 712640 739364 748272 761110 790160 869840 880320 913332 924205 935340 948192 997696 1043808 1068960 1109046 1141665 1185240 1217776 1247120 1293887 1304760 1354560 1478728 1496544 1522220 1580320 1739680 1826664 1848410 1870680 1896384 2087616 2137920 2218092 2283330 2370480 2435552 2494240 2587774 2609520 2772615 2957456 2993088 3044440 3160640 3479360 3653328 3696820 3741360 3881661 4436184 4566660 4740960 4871104 4988480 5175548 5219040 5545230 5914912 6088880 6469435 7306656 7393640 7482720 7763322 8872368 9133320 9481920 10351096 10438080 11090460 11829824 12177760 12938870 14613312 14787280 14965440 15526644 17744736 18266640 19408305 20702192 22180920 24355520 25877740 29574560 31053288 35489472 36533280 38816610 41404384 44361840 51755480 59149120 62106576 73066560 77633220 82808768 88723680 103510960 124213152 155266440 177447360 207021920 248426304 310532880 414043840 621065760 1242131520
• Sum of all divisors σ(n): 4866656256
• Sum of proper divisors (its aliquot sum) s(n): 3624524736
• 1242131520 is an abundant number, because the sum of its proper divisors (3624524736) is greater than itself. Its abundance is 2382393216

Bases of 1242131520

• Binary: 1001010000010010110110001000000₂
• Hexadecimal: 0x4A096C40
• Base-36: KJJ6TC

Squares and roots of 1242131520

• 1242131520 squared (1242131520²) is 1542890712977510400
• 1242131520 cubed (1242131520³) is 1916473186504638718967808000
• The square root of 1242131520 is 35243.8862783321
• The cube root of 1242131520 is 1074.9523021923

Scales and comparisons

• 1,242,131,520 seconds is equal to 39 years, 25 weeks, 5 days, 12 hours, 32 minutes.
• To count from 1 to 1,242,131,520 would take you about seventy-eight 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 1242131520 cubic inches would be around 89.6 feet tall.

Recreational maths with 1242131520

• 1242131520 backwards is 0251312421
• 1242131520 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1242131520's digits is 21
• More coming soon!