2138990700

Names of 2138990700

• Cardinal: 2138990700 can be written as Two billion, one hundred thirty-eight million, nine hundred ninety thousand, seven hundred.

Scientific notation

• Scientific notation: 2.1389907 × 10⁹

Factors of 2138990700

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 191

Divisors of 2138990700

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 25 28 29 30 31 33 35 42 44 50 55 58 60 62 66 70 75 77 84 87 93 100 103 105 110 116 124 132 140 145 150 154 155 165 174 175 186 203 206 210 217 220 231 275 290 300 308 309 310 319 330 341 348 350 372 385 406 412 420 434 435 462 465 515 525 550 580 609 618 620 638 651 660 682 700 721 725 770 775 812 825 868 870 899 924 930 957 1015 1023 1030 1050 1085 1100 1133 1155 1218 1236 1276 1302 1364 1442 1450 1540 1545 1550 1595 1650 1705 1740 1798 1860 1914 1925 2030 2046 2060 2100 2163 2170 2175 2233 2266 2310 2325 2387 2436 2575 2604 2697 2884 2900 2987 3045 3090 3100 3190 3193 3255 3300 3399 3410 3596 3605 3828 3850 4060 4092 4326 4340 4350 4466 4495 4532 4620 4650 4774 4785 5075 5115 5150 5394 5425 5665 5775 5974 6090 6180 6293 6380 6386 6510 6699 6798 6820 7161 7210 7700 7725 7931 7975 8525 8652 8700 8932 8961 8990 9300 9548 9570 9579 9889 10150 10230 10300 10788 10815 10850 11165 11330 11550 11935 11948 12180 12586 12772 13020 13398 13485 13596 14322 14420 14935 15225 15450 15862 15950 15965 16275 16995 17050 17922 17980 18025 18879 19140 19158 19778 20300 20460 20909 21630 21700 22330 22351 22475 22660 23100 23793 23870 23925 25172 25575 26796 26970 28325 28644 29667 29870 30450 30900 31465 31724 31900 31930 32550 32857 33495 33990 34100 35123 35805 35844 36050 37758 38316 39556 39655 41818 43260 44660 44702 44805 44950 47586 47740 47850 47895 49445 51150 53940 54075 55825 56650 59334 59675 59740 60900 62727 62930 63860 65100 65714 66990 67053 67425 67980 69223 70246 71610 72100 74675 75516 79310 79825 83636 84975 89404 89610 89900 92597 94395 95172 95700 95790 98571 98890 102300 104545 105369 108150 111650 111755 113300 118668 118965 119350 125454 125860 131428 133980 134106 134850 138446 140492 143220 148335 149350 157325 158620 159650 164285 167475 169950 175615 179025 179220 185194 188790 191580 197142 197780 198275 207669 209090 210738 216300 223300 223510 224025 229999 237930 238700 239475 245861 247225 250908 268212 269700 276892 277791 296670 298700 313635 314650 319300 328570 334950 335265 339900 346115 351230 358050 370388 377580 394284 396550 415338 418180 421476 447020 448050 459998 462985 471975 475860 478950 491722 492855 494450 522725 526845 555582 558775 593340 594825 627270 629300 648179 657140 669900 670530 689997 692230 702460 716100 737583 741675 793100 821425 830676 878075 896100 919996 925970 943950 957900 983444 985710 988900 1018567 1038345 1045450 1053690 1111164 1117550 1149995 1189650 1229305 1254540 1296358 1341060 1379994 1384460 1388955 1475166 1483350 1568175 1642850 1676325 1730575 1756150 1851940 1887900 1944537 1971420 2037134 2076690 2090900 2107380 2235100 2299990 2314925 2379300 2458610 2464275 2592716 2634225 2759988 2777910 2950332 2966700 3055701 3136350 3240895 3285700 3352650 3449985 3461150 3512300 3687915 3889074 4074268 4153380 4599980 4629850 4917220 4928550 5092835 5191725 5268450 5555820 5749975 6111402 6146525 6272700 6481790 6705300 6899970 6922300 6944775 7129969 7375830 7778148 9259700 9722685 9857100 10185670 10383450 10536900 11499950 12222804 12293050 12963580 13799940 13889550 14259938 14751660 15278505 16204475 17249925 18439575 19445370 20371340 20766900 21389907 22999900 24586100 25464175 27779100 28519876 30557010 32408950 34499850 35649845 36879150 38890740 42779814 48613425 50928350 61114020 64817900 68999700 71299690 73758300 76392525 85559628 97226850 101856700 106949535 142599380 152785050 178249225 194453700 213899070 305570100 356498450 427798140 534747675 712996900 1069495350 2138990700
• Sum of all divisors σ(n): 8319467520
• Sum of proper divisors (its aliquot sum) s(n): 6180476820
• 2138990700 is an abundant number, because the sum of its proper divisors (6180476820) is greater than itself. Its abundance is 4041486120

Bases of 2138990700

• Binary: 1111111011111100110100001101100₂
• Hexadecimal: 0x7F7E686C
• Base-36: ZDHZSC

Squares and roots of 2138990700

• 2138990700 squared (2138990700²) is 4575281214686490000
• 2138990700 cubed (2138990700³) is 9786483968099105525643000000
• The square root of 2138990700 is 46249.2237772701
• The cube root of 2138990700 is 1288.4561182743

Scales and comparisons

• 2,138,990,700 seconds is equal to 68 years, 4 days, 20 hours, 5 minutes.
• To count from 1 to 2,138,990,700 would take you about one hundred thirty-six 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 2138990700 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138990700

• 2138990700 backwards is 0070998312
• The number of decimal digits it has is: 10
• The sum of 2138990700's digits is 39
• More coming soon!