1138821840

Names of 1138821840

• Cardinal: 1138821840 can be written as One billion, one hundred thirty-eight million, eight hundred twenty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.13882184 × 10⁹

Factors of 1138821840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 461

Divisors of 1138821840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 34 36 39 40 45 48 51 52 60 65 68 72 78 80 85 90 102 104 117 120 130 136 144 153 156 170 180 195 204 208 221 234 240 255 260 272 289 306 312 340 360 390 408 421 442 468 510 520 578 585 612 624 663 680 720 765 780 816 842 867 884 936 1020 1040 1105 1156 1170 1224 1263 1326 1360 1445 1530 1560 1684 1734 1768 1872 1989 2040 2105 2210 2312 2340 2448 2526 2601 2652 2890 3060 3120 3315 3368 3468 3536 3757 3789 3978 4080 4210 4335 4420 4624 4680 5052 5202 5304 5473 5780 6120 6315 6630 6736 6936 7157 7514 7578 7956 8420 8670 8840 9360 9945 10104 10404 10608 10946 11271 11560 12240 12630 13005 13260 13872 14314 15028 15156 15912 16419 16840 17340 17680 18785 18945 19890 20208 20808 21471 21892 22542 23120 25260 26010 26520 27365 28628 30056 30312 31824 32838 33680 33813 34680 35785 37570 37890 39780 41616 42942 43784 45084 49257 50520 52020 53040 54730 56355 57256 60112 60624 64413 65676 67626 69360 71570 75140 75780 79560 82095 85884 87568 90168 93041 98514 101040 104040 107355 109460 112710 114512 121669 128826 131352 135252 143140 150280 151560 159120 164190 169065 171768 180336 186082 197028 208080 214710 218920 225420 243338 246285 257652 262704 270504 279123 286280 300560 303120 322065 328380 338130 343536 365007 372164 394056 429420 437840 450840 465205 486676 492570 515304 541008 558246 572560 608345 644130 656760 676260 730014 744328 788112 837369 858840 901680 930410 973352 985140 1030608 1095021 1116492 1216690 1288260 1313520 1352520 1395615 1460028 1488656 1581697 1674738 1717680 1825035 1860820 1946704 1970280 2190042 2232984 2433380 2576520 2705040 2791230 2920056 3163394 3349476 3650070 3721640 3940560 4186845 4380084 4465968 4745091 4866760 5153040 5475105 5582460 5840112 6326788 6698952 7300140 7443280 7908485 8373690 8760168 9490182 9733520 10950210 11164920 12653576 13397904 14235273 14600280 15816970 16747380 17520336 18980364 21900420 22329840 23725455 25307152 28470546 29200560 31633940 33494760 37960728 43800840 47450910 56941092 63267880 66989520 71176365 75921456 87601680 94901820 113882184 126535760 142352730 189803640 227764368 284705460 379607280 569410920 1138821840
• Sum of all divisors σ(n): 4385662008
• Sum of proper divisors (its aliquot sum) s(n): 3246840168
• 1138821840 is an abundant number, because the sum of its proper divisors (3246840168) is greater than itself. Its abundance is 2108018328

Bases of 1138821840

• Binary: 1000011111000010000101011010000₂
• Hexadecimal: 0x43E10AD0
• Base-36: IU0WK0

Squares and roots of 1138821840

• 1138821840 squared (1138821840²) is 1296915183260985600
• 1138821840 cubed (1138821840³) is 1476955335325212821205504000
• The square root of 1138821840 is 33746.4344783267
• The cube root of 1138821840 is 1044.2839321095

Scales and comparisons

• 1,138,821,840 seconds is equal to 36 years, 10 weeks, 6 days, 19 hours, 24 minutes.
• To count from 1 to 1,138,821,840 would take you about seventy-two 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 1138821840 cubic inches would be around 87 feet tall.

Recreational maths with 1138821840

• 1138821840 backwards is 0481288311
• 1138821840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1138821840's digits is 36
• More coming soon!