30987449220

Names of 30987449220

• Cardinal: 30987449220 can be written as Thirty billion, nine hundred eighty-seven million, four hundred forty-nine thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.098744922 × 10¹⁰

Factors of 30987449220

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1393

Divisors of 30987449220

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 19 20 21 26 28 30 35 38 39 42 52 57 60 65 70 76 78 84 91 95 105 114 130 133 140 156 182 190 195 210 228 247 260 266 273 281 285 364 380 390 399 420 455 494 532 546 562 570 665 741 780 798 843 910 988 1063 1092 1124 1140 1235 1330 1365 1405 1482 1596 1686 1729 1820 1967 1995 2126 2470 2660 2730 2810 2964 3189 3372 3458 3653 3705 3934 3990 4215 4252 4940 5187 5315 5339 5460 5620 5901 6378 6916 7306 7410 7441 7868 7980 8430 8645 9835 10374 10630 10678 10959 11802 12756 13819 14612 14820 14882 15945 16017 16860 17290 18265 19670 20197 20748 21260 21356 21918 22323 23604 25571 25935 26695 27638 29505 29764 31890 32034 34580 36530 37205 37373 39340 40394 41457 43836 44646 51142 51870 53390 54795 55276 59010 60591 63780 64068 69095 69407 73060 74410 74746 76713 80085 80788 82914 89292 96733 100985 102284 103740 106780 109590 111615 112119 118020 121182 127855 138190 138814 141379 148820 149492 153426 160170 165828 186865 193466 201970 207285 208221 219180 223230 224238 242364 255710 262561 276380 277628 282758 290199 298703 302955 306852 320340 347035 373730 383565 386932 403940 414570 416442 424137 446460 448476 483665 485849 511420 525122 560595 565516 580398 597406 605910 694070 706895 747460 767130 787683 829140 832884 848274 896109 967330 971698 1041105 1050244 1121190 1160796 1194812 1211820 1312805 1388140 1413790 1450995 1457547 1493515 1534260 1575366 1696548 1792218 1837927 1934660 1943396 2082210 2090921 2120685 2242380 2429245 2625610 2827580 2901990 2915094 2987030 3150732 3584436 3675854 3883139 3938415 4164420 4181842 4241370 4480545 4858490 5251220 5513781 5675357 5803980 5830188 5974060 6272763 7287735 7351708 7766278 7876830 8363684 8482740 8961090 9189635 9716980 10454605 11027562 11350714 11649417 12545526 14575470 15532556 15753660 17026071 17922180 18379270 19415695 20909210 22055124 22701428 23298834 25091052 27181973 27568905 28376785 29150940 31363815 34052142 36758540 38831390 39727499 41818420 46597668 54363946 55137810 56753570 58247085 62727630 68104284 73779641 77662780 79454998 81545919 85130355 108727892 110275620 113507140 116494170 119182497 125455260 135909865 147559282 158909996 163091838 170260710 198637495 221338923 232988340 238364994 271819730 295118564 326183676 340521420 368898205 397274990 407729595 442677846 476729988 516457487 543639460 595912485 737796410 794549980 815459190 885355692 1032914974 1106694615 1191824970 1475592820 1549372461 1630918380 2065829948 2213389230 2383649940 2582287435 3098744922 4426778460 5164574870 6197489844 7746862305 10329149740 15493724610 30987449220
• Sum of all divisors σ(n): 112914063360
• Sum of proper divisors (its aliquot sum) s(n): 81926614140
• 30987449220 is an abundant number, because the sum of its proper divisors (81926614140) is greater than itself. Its abundance is 50939164920

Bases of 30987449220

• Binary: 11100110110111111101111001110000100₂
• Hexadecimal: 0x736FEF384
• Base-36: E8H4KUC

Squares and roots of 30987449220

• 30987449220 squared (30987449220²) is 960222009162078608400
• 30987449220 cubed (30987449220³) is 29754830748836285627443265448000
• The square root of 30987449220 is 176032.5231881879
• The cube root of 30987449220 is 3140.9566513217

Scales and comparisons

• 30,987,449,220 seconds is equal to 985 years, 15 weeks, 6 days, 47 minutes.
• To count from 1 to 30,987,449,220 would take you about one thousand, nine hundred seventy 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 30987449220 cubic inches would be around 261.7 feet tall.

Recreational maths with 30987449220

• 30987449220 backwards is 02294478903
• The number of decimal digits it has is: 11
• The sum of 30987449220's digits is 48
• More coming soon!