7972138746
7,972,138,746 is an even composite number composed of seven prime numbers multiplied together.
7972138746 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 7972138746:
2 × 34 × 11 × 13 × 17 × 31 × 653
(2 × 3 × 3 × 3 × 3 × 11 × 13 × 17 × 31 × 653)See below for interesting mathematical facts about the number 7972138746 from the Numbermatics database.
Names of 7972138746
- Cardinal: 7972138746 can be written as Seven billion, nine hundred seventy-two million, one hundred thirty-eight thousand, seven hundred forty-six.
Scientific notation
- Scientific notation: 7.972138746 × 109
Factors of 7972138746
Divisors of 7972138746
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 6 9 11 13 17 18 22 26 27 31 33 34 39 51 54 62 66 78 81 93 99 102 117 143 153 162 186 187 198 221 234 279 286 297 306 341 351 374 403 429 442 459 527 558 561 594 653 663 682 702 806 837 858 891 918 1023 1053 1054 1122 1209 1287 1306 1326 1377 1581 1674 1683 1782 1959 1989 2046 2106 2418 2431 2511 2574 2754 3069 3162 3366 3627 3861 3918 3978 4433 4743 4862 5022 5049 5797 5877 5967 6138 6851 7183 7254 7293 7722 8489 8866 9207 9486 10098 10881 11101 11583 11594 11754 11934 13299 13702 14229 14366 14586 15147 16978 17391 17631 17901 18414 20243 20553 21549 21762 21879 22202 23166 25467 26598 27621 28458 30294 32643 33303 34782 35262 35802 39897 40486 41106 42687 43098 43758 50934 52173 52893 55242 60729 61659 64647 65286 65637 66606 75361 76401 79794 85374 93379 99909 104346 105786 119691 121458 122111 123318 129294 131274 144313 150722 152802 156519 182187 184977 186758 193941 196911 199818 222673 226083 229203 239382 244222 263159 280137 288626 299727 313038 344131 359073 364374 366333 369954 387882 393822 432939 445346 452166 458406 469557 526318 546561 554931 560274 581823 599454 668019 678249 687609 688262 718146 732666 789477 840411 865878 899181 939114 1032393 1093122 1098999 1109862 1163646 1298817 1336038 1356498 1375218 1578954 1587443 1639683 1680822 1798362 2004057 2034747 2064786 2197998 2368431 2521233 2597634 2894749 3097179 3174886 3279366 3296997 3785441 3896451 4008114 4069494 4473703 4736862 4762329 5042466 5789498 6012171 6104241 6194358 6593994 7105293 7563699 7570882 7792902 8684247 8947406 9291537 9524658 9890991 11356323 11689353 12024342 12208482 13421109 14210586 14286987 15127398 17368494 18036513 18583074 19781982 21315879 22712646 23378706 26052741 26842218 27874611 28573974 34068969 36073026 40263327 42631758 42860961 49210733 52105482 55749222 68137938 78158223 80526654 85721922 98421466 102206907 120789981 128582883 147632199 156316446 204413814 234474669 241579962 257165766 295264398 306620721 362369943 442896597 468949338 613241442 724739886 885793194 1328689791 2657379582 3986069373 7972138746
- Sum of all divisors σ(n): 22972916736
- Sum of proper divisors (its aliquot sum) s(n): 15000777990
- 7972138746 is an abundant number, because the sum of its proper divisors (15000777990) is greater than itself. Its abundance is 7028639244
Bases of 7972138746
- Binary: 1110110110010110100101110111110102
- Hexadecimal: 0x1DB2D2EFA
- Base-36: 3NUELMI
Squares and roots of 7972138746
- 7972138746 squared (79721387462) is 63554996185474452516
- 7972138746 cubed (79721387463) is 506669247592103085295940784936
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The
square root of 7972138746 is 89286.8341134347 -
The
cube root of 7972138746 is 1997.6755282957
Scales and comparisons
How big is 7972138746?- 7,972,138,746 seconds is equal to 253 years, 25 weeks, 3 days, 2 hours, 59 minutes, 6 seconds.
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To count from 1 to 7,972,138,746 would take you about five hundred six 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 7972138746 cubic inches would be around 166.5 feet tall.
Recreational maths with 7972138746
- 7972138746 backwards is 6478312797
- 7972138746 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 7972138746's digits is 54
- More coming soon!
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