61381320
61,381,320 is an even composite number composed of seven prime numbers multiplied together.
61381320 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 61381320:
23 × 3 × 5 × 72 × 11 × 13 × 73
(2 × 2 × 2 × 3 × 5 × 7 × 7 × 11 × 13 × 73)See below for interesting mathematical facts about the number 61381320 from the Numbermatics database.
Names of 61381320
- Cardinal: 61381320 can be written as Sixty-one million, three hundred eighty-one thousand, three hundred twenty.
Scientific notation
- Scientific notation: 6.138132 × 107
Factors of 61381320
Divisors of 61381320
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 13 14 15 20 21 22 24 26 28 30 33 35 39 40 42 44 49 52 55 56 60 65 66 70 73 77 78 84 88 91 98 104 105 110 120 130 132 140 143 146 147 154 156 165 168 182 195 196 210 219 220 231 245 260 264 273 280 286 292 294 308 312 330 364 365 385 390 392 420 429 438 440 455 462 490 511 520 539 546 572 584 588 616 637 660 715 728 730 735 770 780 803 840 858 876 910 924 949 980 1001 1022 1078 1092 1095 1144 1155 1176 1274 1320 1365 1430 1460 1470 1533 1540 1560 1606 1617 1716 1752 1820 1848 1898 1911 1960 2002 2044 2145 2156 2184 2190 2310 2409 2548 2555 2695 2730 2847 2860 2920 2940 3003 3066 3080 3185 3212 3234 3432 3577 3640 3796 3822 4004 4015 4088 4290 4312 4380 4620 4745 4818 5005 5096 5110 5390 5460 5621 5694 5720 5880 6006 6132 6370 6424 6468 6643 7007 7154 7592 7644 7665 8008 8030 8085 8580 8760 9240 9490 9555 9636 10010 10220 10439 10731 10780 10920 11242 11388 12012 12045 12264 12740 12936 13286 14014 14235 14308 15015 15288 15330 16060 16170 16863 17160 17885 18980 19110 19272 19929 20020 20440 20878 21021 21462 21560 22484 22776 24024 24090 25480 26572 28028 28105 28470 28616 30030 30660 31317 32120 32340 33215 33726 35035 35770 37960 38220 39347 39858 40040 41756 42042 42924 44968 46501 48180 52195 53144 53655 56056 56210 56940 60060 61320 62634 64680 66430 67452 70070 71540 73073 76440 78694 79716 83512 84084 84315 85848 93002 96360 99645 104390 105105 107310 112420 113880 118041 120120 125268 132860 134904 139503 140140 143080 146146 156585 157388 159432 168168 168630 186004 196735 199290 208780 210210 214620 219219 224840 232505 236082 250536 265720 279006 280280 292292 313170 314776 337260 365365 372008 393470 398580 417560 420420 429240 438438 465010 472164 511511 558012 584584 590205 626340 674520 697515 730730 786940 797160 840840 876876 930020 944328 1023022 1096095 1116024 1180410 1252680 1395030 1461460 1534533 1573880 1753752 1860040 2046044 2192190 2360820 2557555 2790060 2922920 3069066 4092088 4384380 4721640 5115110 5580120 6138132 7672665 8768760 10230220 12276264 15345330 20460440 30690660 61381320
- Sum of all divisors σ(n): 255104640
- Sum of proper divisors (its aliquot sum) s(n): 193723320
- 61381320 is an abundant number, because the sum of its proper divisors (193723320) is greater than itself. Its abundance is 132342000
Bases of 61381320
- Binary: 111010100010011010110010002
- Hexadecimal: 0x3A89AC8
- Base-36: 10JM4O
Squares and roots of 61381320
- 61381320 squared (613813202) is 3767666444942400
- 61381320 cubed (613813203) is 231264339710271835968000
-
The
square root of 61381320 is 7834.6231562213 -
The
cube root of 61381320 is 394.4682692009
Scales and comparisons
How big is 61381320?- 61,381,320 seconds is equal to 1 year, 49 weeks, 3 days, 10 hours, 22 minutes.
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To count from 1 to 61,381,320 would take you about 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 61381320 cubic inches would be around 32.9 feet tall.
Recreational maths with 61381320
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