71128321920
71,128,321,920 is an even composite number composed of six prime numbers multiplied together.
71128321920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 71128321920:
27 × 32 × 5 × 41 × 349 × 863
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 41 × 349 × 863)See below for interesting mathematical facts about the number 71128321920 from the Numbermatics database.
Names of 71128321920
- Cardinal: 71128321920 can be written as Seventy-one billion, one hundred twenty-eight million, three hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 7.112832192 × 1010
Factors of 71128321920
Divisors of 71128321920
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 128 144 160 164 180 192 205 240 246 288 320 328 349 360 369 384 410 480 492 576 615 640 656 698 720 738 820 863 960 984 1047 1152 1230 1312 1396 1440 1476 1640 1726 1745 1845 1920 1968 2094 2460 2589 2624 2792 2880 2952 3141 3280 3452 3490 3690 3936 4188 4315 4920 5178 5235 5248 5584 5760 5904 6282 6560 6904 6980 7380 7767 7872 8376 8630 9840 10356 10470 11168 11808 12564 12945 13120 13808 13960 14309 14760 15534 15705 15744 16752 17260 19680 20712 20940 22336 23616 25128 25890 26240 27616 27920 28618 29520 31068 31410 33504 34520 35383 38835 39360 41424 41880 42927 44672 47232 50256 51780 55232 55840 57236 59040 62136 62820 67008 69040 70766 71545 77670 78720 82848 83760 85854 100512 103560 106149 110464 111680 114472 118080 124272 125640 128781 134016 138080 141532 143090 155340 165696 167520 171708 176915 201024 207120 212298 214635 223360 228944 236160 248544 251280 257562 276160 283064 286180 301187 310680 318447 331392 335040 343416 353830 402048 414240 424596 429270 457888 497088 502560 515124 530745 552320 566128 572360 602374 621360 636894 643905 670080 686832 707660 828480 849192 858540 903561 915776 994176 1005120 1030248 1061490 1132256 1144720 1204748 1242720 1273788 1287810 1373664 1415320 1505935 1592235 1656960 1698384 1717080 1807122 1831552 2010240 2060496 2122980 2264512 2289440 2409496 2485440 2547576 2575620 2710683 2747328 2830640 3011870 3184470 3396768 3434160 3614244 4120992 4245960 4517805 4529024 4578880 4818992 4970880 5095152 5151240 5421366 5494656 5661280 6023740 6368940 6793536 6868320 7228488 8241984 8491920 9035610 9157760 9637984 10190304 10302480 10842732 11322560 12047480 12348667 12737880 13553415 13587072 13736640 14456976 16483968 16983840 18071220 19275968 20380608 20604960 21685464 22645120 24094960 24697334 25475760 27106830 27473280 28913952 33967680 36142440 37046001 38551936 40761216 41209920 43370928 48189920 49394668 50951520 54213660 57827904 61743335 67935360 72284880 74092002 82419840 86741856 96379840 98789336 101903040 108427320 111138003 115655808 123486670 144569760 148184004 173483712 185230005 192759680 197578672 203806080 216854640 222276006 246973340 289139520 296368008 346967424 370460010 395157344 433709280 444552012 493946680 555690015 578279040 592736016 740920020 790314688 867418560 889104024 987893360 1111380030 1185472032 1481840040 1580629376 1734837120 1778208048 1975786720 2222760060 2370944064 2963680080 3556416096 3951573440 4445520120 4741888128 5927360160 7112832192 7903146880 8891040240 11854720320 14225664384 17782080480 23709440640 35564160960 71128321920
- Sum of all divisors σ(n): 252618912000
- Sum of proper divisors (its aliquot sum) s(n): 181490590080
- 71128321920 is an abundant number, because the sum of its proper divisors (181490590080) is greater than itself. Its abundance is 110362268160
Bases of 71128321920
- Binary: 10000100011111001010000001111100000002
- Hexadecimal: 0x108F940F80
- Base-36: WOBYSG0
Squares and roots of 71128321920
- 71128321920 squared (711283219202) is 5059238179155152486400
- 71128321920 cubed (711283219203) is 359855121876902319679347621888000
-
The
square root of 71128321920 is 266698.9349810007 -
The
cube root of 71128321920 is 4143.3108850491
Scales and comparisons
How big is 71128321920?- 71,128,321,920 seconds is equal to 2,261 years, 34 weeks, 2 days, 11 hours, 12 minutes.
-
To count from 1 to 71,128,321,920 would take you about four thousand, five hundred twenty-three 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 71128321920 cubic inches would be around 345.3 feet tall.
Recreational maths with 71128321920
- 71128321920 backwards is 02912382117
- 71128321920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 71128321920's digits is 36
- More coming soon!
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