8142872920

Names of 8142872920

• Cardinal: 8142872920 can be written as Eight billion, one hundred forty-two million, eight hundred seventy-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.14287292 × 10⁹

Factors of 8142872920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 119

Divisors of 8142872920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 31 35 40 49 52 56 61 62 65 70 91 98 104 122 124 130 140 155 169 182 196 217 244 245 248 260 280 305 310 338 364 392 403 427 434 455 488 490 520 610 620 637 676 728 793 806 845 854 868 910 980 1085 1183 1220 1240 1274 1352 1519 1586 1612 1690 1708 1736 1820 1891 1960 2015 2135 2170 2197 2366 2440 2548 2821 2989 3038 3172 3185 3224 3380 3416 3640 3782 3965 4030 4270 4340 4394 4732 5096 5239 5551 5642 5915 5978 6076 6344 6370 6760 7564 7595 7930 8060 8281 8540 8680 8788 9455 9464 10309 10478 10985 11102 11284 11830 11956 12152 12740 13237 14105 14945 15128 15190 15379 15860 16120 16562 17080 17576 18910 19747 20618 20956 21970 22204 22568 23660 23912 24583 25480 26195 26474 27755 28210 29890 30380 30758 31720 33124 36673 37820 38857 39494 41236 41405 41912 43940 44408 47320 49166 51545 52390 52948 55510 56420 59780 60760 61516 66185 66248 68107 72163 73346 75640 76895 77714 78988 82472 82810 87880 92659 98332 98735 103090 104780 105896 107653 111020 112840 119560 122915 123032 132370 134017 136214 144326 146692 153790 155428 157976 165620 172081 183365 185318 194285 196664 197470 206180 209560 215306 222040 245830 256711 264740 268034 272428 288652 293384 307580 310856 319579 331240 340535 344162 360815 366730 370636 388570 394940 412360 430612 463295 476749 491660 505141 513422 529480 536068 538265 544856 577304 615160 639158 670085 681070 688324 721630 733460 741272 777140 789880 860405 861224 926590 938119 953498 983320 1010282 1026844 1072136 1076530 1204567 1278316 1283555 1340170 1362140 1376648 1443260 1466920 1554280 1597895 1720810 1853180 1876238 1906996 2020564 2053688 2153060 2237053 2383745 2409134 2525705 2556632 2567110 2680340 2724280 2886520 3195790 3337243 3441620 3706360 3752476 3813992 4041128 4154527 4306120 4474106 4690595 4767490 4818268 5051410 5134220 5360680 6022835 6391580 6566833 6674486 6883240 7504952 8309054 8948212 9381190 9534980 9636536 10102820 10268440 11185265 12045670 12783160 13133666 13348972 15659371 16618108 16686215 17896424 18762380 19069960 20205640 20772635 22370530 24091340 26267332 26697944 29081689 31318742 32834165 33236216 33372430 37524760 41545270 44741060 48182680 52534664 58163378 62637484 65668330 66744860 78296855 83090540 89482120 116326756 125274968 131336660 133489720 145408445 156593710 166181080 203571823 232653512 262673320 290816890 313187420 407143646 581633780 626374840 814287292 1017859115 1163267560 1628574584 2035718230 4071436460 8142872920
• Sum of all divisors σ(n): 24223449600
• Sum of proper divisors (its aliquot sum) s(n): 16080576680
• 8142872920 is an abundant number, because the sum of its proper divisors (16080576680) is greater than itself. Its abundance is 7937703760

Bases of 8142872920

• Binary: 111100101010110100110000101011000₂
• Hexadecimal: 0x1E55A6158
• Base-36: 3QO20YG

Squares and roots of 8142872920

• 8142872920 squared (8142872920²) is 66306379391269326400
• 8142872920 cubed (8142872920³) is 539924421168413082369201088000
• The square root of 8142872920 is 90237.8685475227
• The cube root of 8142872920 is 2011.8358942971

Scales and comparisons

• 8,142,872,920 seconds is equal to 258 years, 47 weeks, 5 days, 5 hours, 8 minutes, 40 seconds.
• To count from 1 to 8,142,872,920 would take you about five hundred seventeen 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 8142872920 cubic inches would be around 167.7 feet tall.

Recreational maths with 8142872920

• 8142872920 backwards is 0292782418
• The number of decimal digits it has is: 10
• The sum of 8142872920's digits is 43
• More coming soon!