3928872420
3,928,872,420 is an even composite number composed of six prime numbers multiplied together.
3928872420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 3928872420:
22 × 32 × 5 × 113 × 232 × 31
(2 × 2 × 3 × 3 × 5 × 11 × 11 × 11 × 23 × 23 × 31)See below for interesting mathematical facts about the number 3928872420 from the Numbermatics database.
Names of 3928872420
- Cardinal: 3928872420 can be written as Three billion, nine hundred twenty-eight million, eight hundred seventy-two thousand, four hundred twenty.
Scientific notation
- Scientific notation: 3.92887242 × 109
Factors of 3928872420
Divisors of 3928872420
- Number of divisors d(n): 432
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 23 30 31 33 36 44 45 46 55 60 62 66 69 90 92 93 99 110 115 121 124 132 138 155 165 180 186 198 207 220 230 242 253 276 279 310 330 341 345 363 372 396 414 460 465 484 495 506 529 558 605 620 660 682 690 713 726 759 828 930 990 1012 1023 1035 1058 1089 1116 1210 1265 1331 1364 1380 1395 1426 1452 1518 1587 1705 1815 1860 1980 2046 2070 2116 2139 2178 2277 2420 2530 2645 2662 2783 2790 2852 3036 3069 3174 3410 3565 3630 3751 3795 3993 4092 4140 4278 4356 4554 4761 5060 5115 5290 5324 5445 5566 5580 5819 6138 6348 6417 6655 6820 7130 7260 7502 7590 7843 7935 7986 8349 8556 9108 9522 10230 10580 10695 10890 11132 11253 11385 11638 11979 12276 12834 13310 13915 14260 15004 15180 15345 15686 15870 15972 16399 16698 17457 18755 19044 19965 20460 21390 21780 22506 22770 23276 23529 23805 23958 25047 25668 26620 27830 29095 30613 30690 31372 31740 32085 32798 33396 33759 34914 37510 39215 39930 41261 41745 42780 45012 45540 47058 47610 47916 49197 50094 52371 55660 56265 58190 59895 61226 61380 64009 64170 65596 67518 69828 70587 75020 78430 79860 81995 82522 83490 86273 87285 91839 94116 95220 98394 100188 104742 112530 116380 117645 119790 122452 123783 125235 128018 128340 135036 141174 147591 153065 156860 163990 165044 166980 168795 172546 174570 180389 183678 192027 196788 206305 209484 225060 235290 239580 245985 247566 250470 256036 258819 261855 275517 282348 295182 306130 320045 327980 337590 345092 349140 352935 360778 367356 371349 384054 412610 431365 459195 470580 491970 495132 500940 517638 523710 541167 551034 576081 590364 612260 618915 640090 675180 704099 705870 721556 737955 742698 768108 776457 825220 862730 901945 918390 949003 960135 983940 1035276 1047420 1082334 1102068 1152162 1237830 1280180 1294095 1377585 1408198 1411740 1475910 1485396 1552914 1623501 1725460 1803890 1836780 1856745 1898006 1920270 1984279 2112297 2164668 2304324 2475660 2588190 2705835 2755170 2816396 2847009 2880405 2951820 3105828 3247002 3520495 3607780 3713490 3796012 3840540 3882285 3968558 4224594 4745015 5176380 5411670 5510340 5694018 5760810 5952837 6336891 6494004 7040990 7426980 7764570 7937116 8117505 8449188 8541027 9490030 9921395 10561485 10823340 11388036 11521620 11905674 12673782 14081980 14235045 15529140 16235010 17082054 17858511 18980060 19842790 21122970 21827069 23811348 25347564 28470090 29764185 31684455 32470020 34164108 35717022 39685580 42245940 42705135 43654138 56940180 59528370 63368910 65481207 71434044 85410270 87308276 89292555 109135345 119056740 126737820 130962414 170820540 178585110 196443621 218270690 261924828 327406035 357170220 392887242 436541380 654812070 785774484 982218105 1309624140 1964436210 3928872420
- Sum of all divisors σ(n): 14145191424
- Sum of proper divisors (its aliquot sum) s(n): 10216319004
- 3928872420 is an abundant number, because the sum of its proper divisors (10216319004) is greater than itself. Its abundance is 6287446584
Bases of 3928872420
- Binary: 111010100010110111010101111001002
- Hexadecimal: 0xEA2DD5E4
- Base-36: 1SZ5DD0
Squares and roots of 3928872420
- 3928872420 squared (39288724202) is 15436038492636656400
- 3928872420 cubed (39288724203) is 60646225907778532410976488000
-
The
square root of 3928872420 is 62680.7180877819 -
The
cube root of 3928872420 is 1577.9357248515
Scales and comparisons
How big is 3928872420?- 3,928,872,420 seconds is equal to 124 years, 48 weeks, 1 day, 1 hour, 27 minutes.
-
To count from 1 to 3,928,872,420 would take you about two hundred forty-nine 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 3928872420 cubic inches would be around 131.5 feet tall.
Recreational maths with 3928872420
- 3928872420 backwards is 0242788293
- 3928872420 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 3928872420's digits is 45
- More coming soon!
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