21406137480
21,406,137,480 is an even composite number composed of seven prime numbers multiplied together.
21406137480 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21406137480:
23 × 32 × 5 × 7 × 13 × 73 × 8951
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 73 × 8951)See below for interesting mathematical facts about the number 21406137480 from the Numbermatics database.
Names of 21406137480
- Cardinal: 21406137480 can be written as Twenty-one billion, four hundred six million, one hundred thirty-seven thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.140613748 × 1010
Factors of 21406137480
Divisors of 21406137480
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 39 40 42 45 52 56 60 63 65 70 72 73 78 84 90 91 104 105 117 120 126 130 140 146 156 168 180 182 195 210 219 234 252 260 273 280 292 312 315 360 364 365 390 420 438 455 468 504 511 520 546 584 585 630 657 728 730 780 819 840 876 910 936 949 1022 1092 1095 1170 1260 1314 1365 1460 1533 1560 1638 1752 1820 1898 2044 2184 2190 2340 2520 2555 2628 2730 2847 2920 3066 3276 3285 3640 3796 4088 4095 4380 4599 4680 4745 5110 5256 5460 5694 6132 6552 6570 6643 7592 7665 8190 8541 8760 8951 9198 9490 10220 10920 11388 12264 13140 13286 14235 15330 16380 17082 17902 18396 18980 19929 20440 22776 22995 26280 26572 26853 28470 30660 32760 33215 34164 35804 36792 37960 39858 42705 44755 45990 53144 53706 56940 59787 61320 62657 66430 68328 71608 79716 80559 85410 89510 91980 99645 107412 113880 116363 119574 125314 132860 134265 159432 161118 170820 179020 183960 187971 199290 214824 232726 239148 250628 265720 268530 298935 313285 322236 341640 349089 358040 375942 398580 402795 465452 478296 501256 537060 563913 581815 597870 626570 644472 653423 698178 751884 797160 805590 814541 930904 939855 1047267 1074120 1127826 1163630 1195740 1253140 1306846 1396356 1503768 1611180 1629082 1745445 1879710 1960269 2094534 2255652 2327260 2391480 2443623 2506280 2613692 2792712 2819565 3222360 3258164 3267115 3490890 3759420 3920538 4072705 4189068 4511304 4573961 4654520 4887246 5227384 5236335 5639130 5880807 6516328 6534230 6981780 7330869 7518840 7841076 8145410 8378136 8494499 9147922 9774492 9801345 10472670 11278260 11761614 12218115 13068460 13721883 13963560 14661738 15682152 16290820 16988998 18295844 19548984 19602690 20945340 22556520 22869805 23523228 24436230 25483497 26136920 27443766 29323476 29404035 32581640 33977996 36591688 36654345 39205380 41165649 41890680 42472495 45739610 47046456 48872460 50966994 54887532 58646952 58808070 59461493 67955992 68609415 73308690 76450491 78410760 82331298 84944990 91479220 97744920 101933988 109775064 117616140 118922986 127417485 137218830 146617380 152900982 164662596 169889980 178384479 182958440 203867976 205828245 235232280 237845972 254834970 274437660 293234760 297307465 305801964 329325192 339779960 356768958 382252455 411656490 475691944 509669940 535153437 548875320 594614930 611603928 713537916 764504910 823312980 891922395 1019339880 1070306874 1189229860 1427075832 1529009820 1646625960 1783844790 2140613748 2378459720 2675767185 3058019640 3567689580 4281227496 5351534370 7135379160 10703068740 21406137480
- Sum of all divisors σ(n): 86807185920
- Sum of proper divisors (its aliquot sum) s(n): 65401048440
- 21406137480 is an abundant number, because the sum of its proper divisors (65401048440) is greater than itself. Its abundance is 43994910960
Bases of 21406137480
- Binary: 100111110111110011110111100100010002
- Hexadecimal: 0x4FBE7BC88
- Base-36: 9U0NTE0
Squares and roots of 21406137480
- 21406137480 squared (214061374802) is 458222721812660750400
- 21406137480 cubed (214061374803) is 9808778579581610827662364992000
-
The
square root of 21406137480 is 146308.3643541955 -
The
cube root of 21406137480 is 2776.5964886995
Scales and comparisons
How big is 21406137480?- 21,406,137,480 seconds is equal to 680 years, 33 weeks, 5 days, 5 hours, 18 minutes.
-
To count from 1 to 21,406,137,480 would take you about one thousand, three hundred sixty-one 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 21406137480 cubic inches would be around 231.4 feet tall.
Recreational maths with 21406137480
- 21406137480 backwards is 08473160412
- 21406137480 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21406137480's digits is 36
- More coming soon!
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